Pressure hoses

Pressure Hoses for Chemical, Pharmaceutical, and Food Technology

Reichelt Chemietechnik offers pressure hoses as stainless steel hoses, antistatic hoses, double-jacket hoses, spiral hoses, and corrugated tubes. Depending on the hose design and type, they are used as special hoses for various applications, such as:

• Food hoses
• High-temperature hoses
• Tank truck 
• Gasoline or fuel 
• (Mineral) oil 
• Chemical hoses
• Pharmaceutical tubes
• Vacuum hoses
• Foil hoses
• Paint 
• Corrugated 

General Properties

The pressure resistance of each pressure hose variant varies, due in part to the hose construction and possible temperature loads. Chemical resistance also varies depending on the materials used. For the resistance of individual materials, it is best to consult our electronic resistance list.

Hose Materials and Working Temperature Range

In RCT's range, you will find pressure hoses made from numerous different elastomers and plastics. Depending on the material choice, the working temperature range also varies. The following temperature details serve as guidelines and may vary depending on the hose design:

• Stainless steel: -10 °C to +550 °C
• EPDM (Ethylene Propylene Diene Monomer rubber, Keltan®): -35 °C to +95 °C, temporarily up to +120 °C
• FPM/FKM (Fluoroelastomer): -20 °C to +200 °C, temporarily up to +300 °C
• NBR (Nitrile Butadiene Rubber, Nitril, Perbunan®): -50 °C to +80 °C
• NR (Natural Rubber): -30 °C to +80 °C
• PUR (Polyurethane, Vulkollan®): -40 °C to +85 °C, temporarily up to +120 °C
• PVC (THOMAVINYL) & TYGON®: -10 °C to +60 °C
• Silicone (Silicone rubber, THOMASIL): -60 °C to +200 °C, temporarily up to +250 °C
• PTFE (Polytetrafluoroethylene): -200 °C to +260 °C
• FEP (Fluoroethylene Propylene): -170 °C to +200 °C
• PE (Polyethylene): -50 °C to +100 °C
• SBR (Styrene Butadiene Rubber): -20 °C to +100 °C
• PA (Polyamide): -40 °C to +100 °C

Chemical Resistance of Pressure Hoses

Not only temperature load but also the media used determine which plastic is suitable as a hose material. A chemically non-resistant hose could decompose, become brittle, and ultimately lead to leaks.

• EPDM: Good resistance against alcohols, ketones, esters, chlorine and chlorinated water, acids, and alkalis.
• NBR: Resistant to alcohols, aliphatic hydrocarbons, gasoline, diesel fuels and other fuels, as well as hydraulic oils, mineral oils, and fats, including diluted acids and alkalis. Selected material mixtures are also resistant to E10, biodiesel, and rapeseed oil.
• PUR: Resistant to fats and oils, gasoline, aliphatic hydrocarbons, as well as ozone and UV radiation.
• PVC: Weak acids and alkalis, heating oil, and its derivatives do not manage to attack the material. Certain compounds are also resistant to hot water and mineral oils.
• TYGON®: As a frequently cross-linked PVC, TYGON® is resistant to acids, alkalis, and in a special formulation also to fuels, lubricants, and gasoline.
• Silicone: Chemically resistant to aliphatic hydrocarbons, aromatic hydrocarbons, fuels, various acids and alkalis, as well as hot water and steam. However, resistance to alcohols and ketones is only moderate.
• PTFE and FEP: The fluoroplastics are almost universally resistant - only elemental fluorine and free alkali metals are able to attack them. Even esters, ketones, alcohols, amines, strong acids and alkalis, halogenated solvents, as well as aromatic, aliphatic, and cyclic hydrocarbons can be conveyed with FEP and PTFE pressure hoses.
• PE: Polyethylene is suitable for alcohols, esters, ketones, as well as numerous acids and alkalis. Aliphatic hydrocarbons and mineral oil products, such as lubricants, fuels, and oils, can also be conveyed.
• SBR: Good resistance to alcohols, brake fluids, various acids, and alkalis.
• PA: Lubricants, gasoline, fats, oils, and other aliphatic, aromatic, and cyclic hydrocarbons can be conveyed with pressure-resistant chemical hoses made of polyamide. Also resistant to alcohols, ketones, halogenated solvents, and hydrogen peroxide.

Materials for Pressure Equipment in Detail

In the production of pressure tubes and lines, a variety of different plastics, elastomers, and steels are used. Depending on the material, the mechanical properties, chemical resistance, as well as pressure, vacuum, and temperature resistance vary, resulting in a wide range of different applications.

Stainless Steel

Pressure equipment made of stainless steel are corrugated tubing made of stainless steel 1.4541 with a simple stainless steel wire braid of 1.4301, which can be subjected to temperatures up to +500 °C and working pressures up to 150 bar. In contrast, stainless steel vacuum lines equipped with small flanges are used for extreme vacuum applications (high vacuum). Also presented are stainless steel pressure products with straight end pieces and with pre-assembled threaded connections that have the DVGW certification mark.

Corrugated Products without End Pieces

Stainless steel corrugated items without end pieces are offered by the meter, so that detachable screw connections can be used for assembly. The temperature range is -10 °C to +500 °C, while the working pressure ranges from 30 to 150 bar, depending on the dimension.

Corrugated Equipment with Straight End Pieces

Stainless steel ring corrugated tubes with straight end pieces are equipped on both sides with stainless steel pipe end pieces. These types can be adapted with conventional cutting ring screw fittings. The temperature resistance is to be stated as -10 °C to +550 °C and as maximum operating pressure, 16 bar is permissible, based on all dimensions.

Stainless Steel Pressure Lines with Threaded Connections

Stainless steel pressure lines with threaded connections are ring corrugated tubes with a simple braid made of stainless steel wire 1.4301. The bilateral end pieces are equipped on one side with a hex nipple and external thread made of stainless steel 1.4571 and on the other side with a conically sealing screw fitting with internal thread made of the same material. The working temperature is stated as -10 °C to +300 °C and the maximum permissible operating pressure for all types is 25 bar.

The stainless steel products can also be pre-assembled with other connections for adaptation to your existing system, such as (small) flange or rotating threaded connections. If you do not find the connection you need in our standard range, please send us a message. We will be happy to make you a customized offer. The range of stainless steel options for pressure applications is available at short notice and compatible with our pressure retaining valves, diaphragm pressuregauge guards, and our flow meters.

PE

HDPE Pressure Tubes

Pressure tubes made from HDPE (High Density Polyethylene) are presented by Reichelt Chemietechnik in various versions, which are used both for vacuum lines and for pressure applications. They are used, for example, as compressed air control lines and are partially calibrated (depending on the type) and colored in black and white. The available nominal widths range from an inner diameter of 4.0 mm to 10.0 mm. Polyethylene is chemically quite resistant, for example to acids, alkalis, alcohols, oils, and gasoline, as well as polar solvents.

Pressure and chemical hoses

HDPE chemical tubes are products made from HDPE, which are used in apparatus engineering, gas technology, chemical engineering, and process engineering. The maximum operating pressure for all types is 10 bar, while the general temperature resistance is in the range of -50 °C to +100 °C. The Shore hardness D is specified as 66° according to DIN 53505. The pressure design is characterized by a very high density and mechanical strength - the tubes are also weldable and thus particularly suitable for laboratory construction (laboratory technology), as well as in container construction (operational technology). Noteworthy is also their low gas and water vapor permeability, i.e., their low gas permeability.

HDPE chemical tubes are also offered in calibrated versions. The particularly dimensionally accurate pressure lines are used in control technology and pneumatics as vacuum and pressure systems. Their maximum operating pressure is in the range of 9 to 33 bar, depending on the dimension, and the permissible working temperature range is specified as -30 °C to +80 °C. These pressure and chemical products are extremely impact resistant and mechanically resilient: thus, the tensile strength is 36 MPa, the breaking strength is 1100 MPa, and the elongation at break is 950% (ISO 527, ISO 178). The Shore hardness D is 67° according to DIN 53505.

LDPE tubes

LDPE (low-density polyethylene) is also used as a material for pressure hoses. It has chemical resistance similar to HDPE but differs in the degree of cross-linking and therefore particularly in mechanical properties. LDPE pressure hoses are "softer" and more flexible but not as pressure-resistant as variants made from HDPE. They are used in fields such as medical technology, building services, drinking water supply, and food technology. In these areas, pressure-resistant LDPE hoses are used as chemical hoses, corrugated hoses, drinking water hoses, and food hoses, typically up to a temperature of +80 °C, and temporarily up to +100 °C.

Drinking Water and Medical Equipment

LLDPE tubes for drinking water supply are also part of the range. They are specifically used in drinking water treatment, drinking water supply, as well as in building services engineering; they are also available as food-grade options in the field of food technology, as well as conveying lines in laboratory technology and biotechnology. The pressure tubes are characterized by good wear resistance and high pressure resistance and also feature an anti-adhesive surface (smooth-walled). They are non-toxic and also free from any extractable components. The drinking water products are offered with certifications from DVGW, KTW, NSF, and WRC in black, white, blue, and red. The working temperature range is -30 °C to +65 °C.

LDPE tubes for medical technology are pressure conduits made of LDPE, used in analytical technology, hospital technology, sterilization technology, laboratory technology, and medical technology. They are considered medical equipment with high wear resistance and exceptionally great softness, elasticity, and flexibility. The working temperature range is -20 °C to +80 °C, with a temporary maximum of +100 °C. The medical tubes are transparent and designed for working temperatures of -20 °C to +80 °C. The elongation at break is 450%, and the maximum permissible working pressure ranges from 5.8 to 14.5 bar * depending on the dimension.

Chemical Lines

LDPE chemical tubes - in inches - are set for pressures in the range of 7 to 20 bar *, depending on the dimension, and are available in natural and black colors. They are considered pressure-resistant chemical equipment with the best wear resistance and highest impact strength – their mechanical strength is therefore remarkably good. The plastic tubes are absolutely odorless and tasteless and free from any extractable components. The gas permeability (permeability), for instance, for water vapor or oxygen, is very low, as with other polyethylene types. The Shore hardness D is 55° according to DIN 53505 and the permissible operating temperature ranges from -50 °C to +90 °C (briefly up to +120 °C).

LDPE chemical tubes - Standard - are characterized by extremely good impact strength and the best mechanical strength – thus, the tensile elongation is 650% according to ASTM D-882. The working pressure for the metric versions of LDPE ranges from 9 to 30 bar *, depending on the dimension, and the Shore hardness D is 45° according to DIN 53505. Thermally, the tubes can be stressed from -30 °C to +70 °C.

Chemical tubes made from polyethylene and other polymers are compatible with our tube & hose connectors and quick-release couplings made of plastic.

NR

RCT presents NR pressure products in two versions. One as an NR vacuum tube with soft rubber properties (Shore hardness A 45°), a very elastic and flexible rubber conduit with simultaneously high mechanical strength. Additionally, a double jacket design made of NR/SBR with reinforcement is presented, which is suitable for pressures up to 10 bar * and is used as both a pressure and suction line.

NR/SBR suction-pressure double jacket equipment are regarded as rubber pressure conduits with optimal mechanical properties. The reinforced pressure and suction item is flexible, robust, and can be thermally stressed in the temperature range from -20 °C to +70 °C. The working pressure ranges from 6 to 10 bar * depending on the dimension.

NR vacuum chemical lines are red-colored soft rubber tubes that belong to the NR technology range. The temperature range is from -30 °C to +60 °C and the Shore hardness A is 45° to 50°, depending on the type.

For adapting pressure and suction equipment made of natural rubber and other double jacket designs, compatible barb connectors made of metal and screw connectors for fabric materials are available.

SBR

Styrene-Butadiene Rubber is another rubbery elastomer used for manufacturing pressure-resistant products. The range of SBR includes steam hoses and hot water conduits for pressure applications as well as compressed air lines, which are highly flexible and antistatic, i.e., electrically conductive. The product range of SBR pressure equipment is as follows:

SBR steam and hot water conduits are used in power plant technology, process engineering, plant construction, and turbine technology. These are SBR compressed air lines for high-temperature applications for conveying hot materials, such as hot water, steam, and chemical vapors. SBR hot water and steam tubing prove their very high abrasion resistance while being simultaneously elastic. The temperature range is from -20 °C to +100 °C, although temperatures up to +164 °C are permitted for conveying saturated steam. The maximum working pressure is 6 bar *, for all dimensions, ensured by a synthetic fabric mesh as a pressure carrier.

SBR compressed air conduits are known as a pressure variant for their particularly high abrasion resistance and best mechanical strength. A double layer of polyester mesh serves as a pressure carrier, ensuring the pressure capacity up to 20 bar * for all types. The operating temperature range is specified from -20 °C to +70 °C.

SBR/NBR Anti-static Chem-Air Pressure Lines (High Flexible) are types used in process technology, pharmaceutical technology, as well as in operational and chemical technology. The SBR/NBR double jacket products are considered pressure and delivery equipment for liquid media, chemical gases, and compressed air. The material is resistant to many alkalis and acids as well as polar solvents, but not to mineral oils. The inner core consists of an NBR/SBR material compound and the outer jacket of SBR/EPDM. Thus, classification as a double jacket design is also legitimate. The operating temperature range is from -20 °C to +80 °C and the maximum allowable working pressure is 20 bar *, for all types. The pressure capacity is secured by a synthetic textile mesh. The SBR/NBR compressed air tube is antistatically equipped, i.e., electrically conductive, with a discharge resistance <106 Ohm.

Silicone

Silicone pressure tubes are used in laboratory technology, chemical technology, pharmaceutical technology, biotechnology, and medical technology for pressure applications, vacuum applications, and high-temperature applications up to +250 °C. The pressure carrier is either a particularly high wall thickness, an outer coating, or a fabric insert, such as glass silk braids. Despite these pressure carriers, silicone tubes remain extremely flexible with small bending radii. Silicone is physiologically harmless and is therefore used to manufacture medical and food conduits that are used in pharmaceutical technology, food technology, and beverage technology. Such designs are generally FDA-compliant and BfR-compliant:

• Silicone pressure and vacuum tubes
• Silicone high-temperature pressure and pharma conduits (flexible)
• Silicone pharma pressure lines with glass silk fabric insert
• Silicone food tubes (food conduits)
• High-temperature equipment

Silicone high-temperature pressure and chemical tubes are equipped with a high-heat-resistant glass silk braid, ensuring extremely high-pressure load capacity. The burst pressure is 45 (at +20 °C) and the operating pressure is 8 bar at +160 °C. The general temperature resistance is from -50 °C to +190 °C, with short-term approval up to +250 °C. Typical applications of silicone pressure products, which meet the standards of the European Pharmacopoeia and USP Class VI depending on the type, include laboratory technology, pharmaceutical technology, and chemical technology.

High-temperature pharma pressure conduits

Silicone high-temperature tubes – flexible – are used in fermenters, in biotechnology as well as in the entire food and pharmaceutical chemistry as food lines, pressure, and pharma conduits. They are highly flexible and high-temperature resistant, also against hot air, and are also physiologically harmless, non-toxic, pyrogen-free, and blood-compatible. The silicone tubes with a Shore hardness A of 60° (according to DIN 53505) are suitable for temperatures from -40 °C to +150 °C and the allowable working pressure ranges from 6000 to 8500 mbar *, depending on the dimension. The physiological harmlessness of the high-temperature products is particularly noteworthy: They are FDA-compliant, BfR-compliant, and meet USP Class VI as well as the standards of the European Pharmacopoeia.

Vacuum chemical tubes

Silicone vacuum chemical tubes are part of the ozone and light-resistant technology from silicone. They can be used both as vacuum and as pressure and chemical conduits for the highest demands in the laboratory, operation, and pilot plant. The physiological harmlessness is also given in this design. The permissible operating temperature is from -60 °C to +200 °C (briefly +250 °C) and the pressure load capacity is 4 bar *, depending on the wall thickness and nominal width. The vacuum resistance, on the other hand, is up to 15 Torr. Despite these load capacity values, the tubes remain flexible and elastic, with a Shore hardness A of 60° according to DIN 53505.

Pharma tubes

Silicone pressure and vacuum conduits are considered pharma tubes, food lines, and pressure and vacuum equipment. They are used, for example, in food technology, pharmaceutical technology, and medical technology. The extremely flexible pressure and suction items are suitable for media of the highest purity – it is a compound in absolute pharmaceutical quality (GMP). The products are physiologically harmless, non-toxic, pyrogen-free, and absolutely blood-compatible. The temperature range is -50 °C to +150 °C and the maximum permissible operating pressure is 12 to 14 bar at +100 °C, depending on the type. The vacuum resistance is 99.9% at +100 °C for all dimensions. The silicone pressure and vacuum tubes are FDA-compliant, BfR-compliant, and meet USP Class VI as well as the standards of the European Pharmacopoeia.

Fabric tubes

Fabric designs made of MVQ/VMQ (silicone rubber) are pressure conduits with a Shore hardness A of 60°, equipped with a high-temperature glass silk fabric insert. This ensures a temperature load capacity of up to +250 °C (briefly) and a pressure load capacity of 20 bar *. The silicone fabric tubes are non-toxic and pyrogen-free and are used as laboratory and delivery equipment.

EPDM

Pressure conduits made of EPDM (ethylene propylene diene rubber) belong to the product range of laboratory, pharmaceutical, and chemical technology. They are special lines for process technology with the best resistance to acids, alkalis, and polar solvents, which are also ozone-resistant, weather-resistant, and aging-resistant. Their temperature range is from -30 °C to +100 °C. A reinforcement made of two rayon braids ensures that a pressure of max. 20 bar * is possible for all types.

Double jacket compressed air tubes

Compressed air tubes made of EPDM in a double jacket design are intended for laboratory, pharmaceutical, and chemical technology. These are highly flexible compressed air conduits designed for operating temperatures from -40 °C to +70 °C. A PVAA braid serves as a pressure carrier, securing an operating pressure of 10000 mbar * for all dimensions.

High-performance food tubes

Dairy food pressure high-temperature tubes made of EPDM are used in the dairy industry as dairy conduits, as evaporation lines, and as delivery equipment for high-temperature applications. In the food industry, they are also used as cleaning and delivery lines for foodstuffs. The EPDM pressure products are resistant to acids, alkalis, and polar solvents, and are also ozone-resistant, weather-resistant, and aging-resistant. The operating temperature range is from -30 °C to +95 °C, while sterilization with saturated steam is also possible at +164 °C. The integrated polyester reinforcement ensures a pressure load capacity of 6000 mbar at +164 °C. The inner core is FDA- and BfR-compliant, thus considered food-safe.

Antistatic versions

EPDM Antista chemical tubes belong to the range of pressure equipment for laboratory, pharmaceutical, and chemical technology. The products are robust antistatic hoses that are electrically conductive, hot water- and frost-resistant. They are also resistant to acids, bases, and polar solvents. A Shore hardness A of 70° according to DIN 53505 applies, and the operating temperature is -35 °C to +95 °C, briefly also up to +120 °C. A polyester braid with two copper strands serves as reinforcement, resulting in a discharge resistance <106 Ohm. The operating pressure is 16 bar * for all types.

EPDM Antista chemical pressure and suction tubes belong to the group of pressure versions for laboratory, pharmaceutical, and chemical technology. These are robust pressure and suction conduits in antistatic, electrically conductive rubber quality, which are hot water- and frost-resistant. Resistance to acids and alkalis as well as to polar solvents is given. The temperature range is -35 °C to +95 °C, briefly also up to +120 °C; the Shore hardness A is stated as 70° according to DIN 53505. A polyester braid serves as a pressure carrier, 2 copper strands secure the discharge resistance. The item is vacuum-resistant up to 99.9% at +20 °C and the maximum operating pressure is 16 bar * for all types.

Steam and hot water hoses

EPDM steam and hot water hoses are EPDM pressure lines that are considered high-temperature equipment for steam and hot water. They are noted for their mechanical strength and load capacity. They are also aging-resistant, weather-resistant, and ozone-resistant, and chemically resistant to alkalis, acids, and polar solvents. The EPDM steam and hot water hoses are equipped with a double steel wire braid, where the operating temperature range is from -40 °C to +100 °C. With EPDM steam and hot water hoses, saturated steam up to +210 °C can be conveyed, up to a maximum operating pressure of 18 bar *, for all dimensions.

Beverage tubes

Beverage hoses are among the EPDM pressure products used in food technology, in the dairy industry, in beverage technology, and drinking water supply as well as in process technology. They are used, for example, for conveying hot materials and thus for conveying hot water and (water) steam but are also used as pressure lines for drinking water, other beverages, and liquid chemicals. The chemical resistance is given against oils, animal and vegetable fats, and lactic acid. The inner core of the beverage tubes, which can be thermally loaded up to max. +164 °C, is white and absolutely smooth, while the outer jacket is blue perforated and fabric-patterned. The allowable operating pressure is 7 bar * for all nominal widths.

Paint spray hoses

Paint spray hoses are considered flexible and light EPDM pressure hose versions that are particularly abrasion-resistant and of great mechanical strength. They are resistant to alcohol, nitro, epoxy, and PUR paints as well as to esters, ketones, and aromatics. The temperature range is -40 °C to +100 °C and the max. operating pressure is 10 bar *.

Industrial hoses

EPDM industrial hoses find their use in laboratory technology, process technology, and chemical technology. They are considered EPDM hoses with rubber-elastic properties and are resistant to hot water and antifreeze agents as well as to acids, alkalis, and polar solvents. The operating temperature range is -30 °C to +110 °C and the max. operating pressure ranges from 10 to 15 bar *, secured by an integrated synthetic fabric braid.

Cooling Water Hoses

EPDM cooling water hoses are used in chemical engineering, the automotive industry, and in operational and plant engineering. This pressure hose variant is resistant to antifreeze agents, acids, alkalis, and polar solvents, and is also resistant to aging and weathering. They are characterized by excellent elasticity, despite the double jacket construction with an inner core of EPDM and an outer jacket of CR (chloroprene rubber). The working temperature is specified as -30 °C to +110 °C and the maximum operating pressure is 4 bar * for all hose nominal sizes.

Air Brake Hoses

EPDM double-jacketed compressed air/brake hoses are considered a variant that allows for a flexible connection, for example on trailers or accumulators, to be safely implemented. Their temperature range is from -40 °C to +70 °C, with the working pressure specified at 10 bar * for all hose types. The compressed air hoses comply with DIN 74310.

TPEE Chemical Hose

TPEE chemical hoses - calibrated - belong to the range of laboratory hoses. They are used in process chemistry, measurement and control technology, vacuum technology, hydraulics, and pneumatics. The mechanical properties are excellent, with high flexibility and elasticity, as well as excellent bending and tear resistance. The TPEE laboratory hose is designed for temperatures from -40 °C to +120 °C, and can briefly withstand up to +160 °C. The Shore hardness D is 63° according to DIN 53505, and the maximum working pressure ranges from 8 to 20 bar * depending on the hose dimension.

FEP

Antista double-jacketed pharma suction and pressure hoses made of FEP (fluoroethylene propylene) belong to the product group of double-jacketed hoses for laboratory technology, pharmaceutical technology, process industry, and chemical engineering. The completely smooth inner surface ensures that no deposits can form in the hose, which is particularly important in the fields of food technology and medical technology. The inner core is also physiologically harmless and free from any extractable components. The plastic hoses are therefore also preferred for conveying pharmaceuticals, cosmetics, food, and drinking water. The hose can also be classified as a double-jacketed hose, with its inner core of FEP and outer jacket of EPDM. The temperature range is -30 °C to +100 °C, temporarily even up to +130 °C. Thanks to the integrated textile braid with crossed copper strands, the resistivity is only <106 Ohm – the pressure hose version is thus considered antistatic or electrically conductive. The pressure carrier further ensures the maximum pressure of 16 bar * and the vacuum resistance of 900 mbar for all hose dimensions.

FPM

FPM chemical hoses - glass fabric braided - belong to the range of laboratory hoses. The material fluororubber is abbreviated as "FPM" or "FKM" and hoses made from it are also known as "Viton hoses." Their application area includes laboratory technology, chemical engineering, process technology, hydraulics, and mechanical engineering. The special hoses are considered pressure and hydraulic hoses with glass fabric braiding, which withstand exceptional thermal stresses while remaining highly elastic and flexible. They are resistant to aliphatic, aromatic, and halogen-substituted hydrocarbons, fuels, acids, alcohols, and oils. The Shore hardness A is specified as 70° according to DIN 53505, and the working temperature is -20 °C to +200 °C – temporarily, +300 °C is permissible. The pressure range and thus the working pressure are specified as 5000 to 10000 mbar *, depending on the type.

FPM double-jacket chemical hoses are considered laboratory tubing for lab technology, pharmaceutical hoses for the pharmaceutical industry, and mineral oil hoses for the petroleum industry. Furthermore, they are used as conveying hoses in chemical engineering and process industries. They are suitable for medium pressure applications, with up to 10 bar * pressure resistance, and are also weather-resistant, ozone-resistant, and aging-resistant. The characteristic feature of these hoses is their double-jacket construction, with an inner core made of FPM and an outer jacket made of CR. The working temperature range is defined as +20 °C to +120 °C.

NBR

NBR pressure hoses presented by RCT include NBR suction and pressure oil and gasoline hoses (antistatic), suction and pressure food hoses (FDA-compliant), NBR industrial pressure and suction hoses, NBR double-jacketed pressure and suction hoses, as well as Antista tanker and chemical hoses. The maximum achievable operating pressure for the hose range can be stated as 28 bar *. The range of hose technology from NBR also includes food hoses that are FDA and BfR compliant and meet the requirements of the European Pharmacopoeia.

Antista Tanker Hoses

NBR Antista tanker and chemical hoses are part of the assortment for laboratory, pharmaceutical, and chemical engineering and are used as chemical hoses, tanker and service station hoses, as well as mineral oil hoses. Their resistance to oils and fuels is excellent. The inner core is made of NBR, the outer sheath from an NBR/SBR compound – additionally, a synthetic fabric braid with a steel wire spiral serves as the pressure carrier. The working temperature ranges from -50 °C to +70 °C and the maximum operating pressure is stated as 10 bar * for all nominal widths. The vacuum resistance is 80% * for all dimensions.

Double Jacket Pressure and Suction Hoses

NBR double jacket pressure and suction hoses belong to the product group of laboratory, pharmaceutical, and chemical engineering. The design is extremely robust while maintaining good flexibility. The double jacket hoses are abrasion-resistant, ozone-resistant, aging-resistant, and weather-resistant. The inner core is made of NBR, the outer sheath from CR. The temperature range is -20 °C to +80 °C, but temporarily +100 °C can also be applied. The vacuum resistance for hoses up to ID 125 mm is 80% and from ID 150 mm 60%. The maximum operating pressure is noted as ranging from 10000 to 18000 mbar * depending on the hose dimension.

Industrial Suction and Pressure Hoses

NBR industrial pressure and suction hoses belong to the product group of hose technology for laboratory, pharmaceutical, and chemical engineering. They are specifically used in process engineering, process technology, and chemical engineering. They are resistant to most solvents, as well as to paints and water-based paints, dispersion paints, and mineral oil products, alcohols, aldehydes, esters, and ketones. The plastic hoses are abrasion-resistant, weather-resistant, and aging-resistant. The inner core is smooth and seamless and is antistatic, thus electrically conductive. The outer sheath is made from an NBR/PVC compound, which is also electrically conductive. A textile braid with an additional galvanized steel wire coil serves as the pressure carrier. The working temperature range is -20 °C to +80 °C, temporarily also +100 °C. The maximum operating pressure can be stated as 16000 mbar * for all hose types, while the vacuum capability is between 400 to 500 mbar, depending on the hose nominal size.

Oil-Gasoline Hoses

NBR gasoline hoses – antistatic – are used in laboratory, pharmaceutical, and chemical engineering. They are specifically deployed in the mineral oil industry, in process engineering, apparatus construction, machinery, and engine construction. The pressure and fuel hoses are suitable for mineral oil products with an aromatic content of up to 50%. Other positive properties include excellent abrasion resistance as well as resistance to aging and weather conditions. The inner core is made of NBR, the outer sheath from an NBR/SBR compound. The temperature range is -40 °C to +80 °C. The highest possible working pressure is 25 bar *. The resistivity is <106 Ohm – thus, the fuel hose is considered electrically conductive and antistatic.

PTFE

PTFE suction and pressure hoses are used in pharmaceutical production, process engineering, and petrochemicals. They are resistant to almost all inorganic and organic media. The inner core of the hoses is absolutely smooth and seamless, preventing any bacterial nesting. An open steaming with saturated steam up to +150 °C for 30 minutes is possible. The outer sheath is electrically conductive, abrasion-resistant, flame-retardant, weather-resistant, and aging-resistant. The inner core is made of seamlessly manufactured, smooth PTFE, which also has conductive abilities. The resistivity is <106 Ohm – thus, the hose is considered antistatic and electrically conductive. The highest possible working pressure is 16 bar * for all hose types, and the vacuum resistance is between 600 mbar and 900 mbar. The plastic hoses are FDA and BfR compliant and meet the guidelines of the European Pharmacopoeia.

PUR

Chemical and Compressed Air Hoses

PUR chemical hoses (colored) are flexible and used for compressed air supply in the medium pressure range. Their mechanical load capacity and tear resistance are remarkable. They exhibit high elasticity, almost like soft rubber, and are thus extremely flexible. These air pressure hoses are also available in various colors – yellow, blue, green, red, white, black, and natural – to facilitate the identification of different lines. Their Shore hardness A is rated at 85° according to DIN 53505, and the maximum working pressure is defined as 10 bar * for all available dimensions. Furthermore, they are resistant to aging, weather, and ozone and can withstand thermal loads in the range of -35 °C to +80 °C.

PUR pressure and suction hoses are part of the range of conveying hoses for laboratory, pharmaceutical, and chemical engineering. They are specifically used for conveying powdery and granular media as well as granules, and are characterized by extremely high abrasion resistance and highest cold resistance – even in long-term applications. The outer jacket is made of PVC-P and the inner core of PUR, with an additional steel spiral embedded. The temperature range is -20 °C to +80 °C and the highest possible operating pressure is 6 bar * for all hose types. The vacuum resistance is 900 mbar *.

Highly Flexible Variants

PUR chemical and industrial hoses – High Flexible – are used in process and chemical engineering, as well as in measurement and control technology and mechanical engineering. Furthermore, they serve as hose types used in low-pressure pneumatics and as protective hoses, conveying hoses, and air hoses. Their mechanical strength and high abrasion resistance as well as wear resistance are excellent. They are resistant to kerosene, fats, oils, and gasoline as well as aliphatic hydrocarbons and ozone. The Shore hardness A is to be specified as 70° according to DIN 53505, and the working temperature range is -40 °C to +85 °C, temporarily also up to +120 °C. As PUR pressure hoses, they can withstand a working pressure in the range of 5.8 to 23 bar *, depending on the corresponding hose dimension.

Antistatic PUR Hoses

PUR chemical hoses – antistatic, calibrated – are used for conveying solids and other media that stick to the wall due to static charging. They thus represent an ideal solution for powder coating facilities and are also used in measurement and control technology as well as low-pressure pneumatics. The smallest bending radii combined with high kink resistance and tear resistance are other positive attributes to note. The Shore hardness A is rated at 85° according to DIN 53505, and the permissible pressure load is 6.5 to 10.0 bar * depending on the respective hose dimension. The allowable working temperature range covers -40 °C to +85 °C.

PUR Chemical and Pneumatic Hoses – Conductive PUR chemical and pneumatic hoses – conductive – are designed for maximum operating pressures of 10 bar * for hydraulic lines. They are also used in electrical engineering, pneumatics, engine construction, measurement and control technology, and as conveying hoses. Particularly noteworthy is the electrical conductivity: The PUR pneumatic and chemical hoses are equipped antistatically with a resistivity of <106 Ohm. The Shore hardness A is defined as 98°, and the working temperature range is from -30 °C to +80 °C.

As Food Grade Hose

Food grade hoses made of polyurethane are considered food-safe pressure hoses that comply with the regulations of the BfR and the FDA. They are tear-resistant, flexible, and have high mechanical strength – the elongation at break is 450% according to DIN 53504. Furthermore, they are weather-resistant, aging-resistant, and ozone-resistant. The Shore hardness D is rated at 52° according to DIN 53505, and the maximum working pressure is 11 to 13 bar *, depending on the hose type. The food grade hoses for pressure applications can be thermally stressed in the range of -25 °C to +60 °C.

Lumen Hoses

Lumen chemical hoses made of PUR – dual-lumen and calibrated – are characterized by highly elastic, rubber-like behavior, thereby providing above-average elasticity and flexibility, even at low temperatures down to -40 °C (temperature range: -40 °C to +80 °C). Yet, they are particularly tear-resistant and have high mechanical strength. The dual-lumen hoses are colored in blue and black and can withstand pressures from 8 to 18 bar *, depending on the hose dimension. The Shore hardness A is rated at 85° according to DIN 53505.

Safety Pressure Hoses

PUR safety chemical hoses are used for conveying gaseous and liquid media such as cooling brines and other cooling fluids. They are also used in hydraulics and pneumatics, for example, as control lines or as compressed air lines. They are dimensionally stable, kink-resistant, and at the same time elastic. The compressed air hoses are chemically resistant to ozone, cyclohexane, diesel oil, gasoline, and kerosene. The thermal resistance is given in the working temperature range of -35 °C to +60 °C, and the Shore hardness D is rated at 52°. As compressed air hoses, they cover a working range of 9 to 19 bar * depending on the respective hose dimension.

Spiral Hoses

PUR spiral hoses without fittings are spiralized pressure hoses with permanent spiral restoring force. They are kink-resistant and have the highest flexibility and elasticity, along with remarkable tear resistance and mechanical strength. Additionally, the spiral hoses are UV-resistant as well as chemically resistant to gasoline, diesel oil, isooctane, cyclohexane, and kerosene. To facilitate the identification of different hose lines, the hoses are manufactured in various colors (blue, yellow, and red), with a Shore hardness A of 98° according to DIN 53505. The working temperature range is -20 °C to +60 °C and the maximum operating pressure is 10 bar *.

Spiral hoses – outer tolerance – are used as pneumatic and hydraulic lines. They are used in measurement and control technology, mechanical engineering, engine construction, and vacuum technology. These spiral hoses are extremely flexible and elastic with excellent restoring force. This ensures small bending radii, high kink resistance, and optimal mobility. The Shore hardness A is rated at 85° according to DIN 53505, and the allowable working temperature range is from -20 °C to +60 °C. The hoses withstand pressure loads up to 10 bar *.

PUR spiral pressure hoses with rotatable nipples and quick couplings ensure the highest restoring force while also providing excellent kink resistance. The hoses are flexible, absolutely tear-resistant, and have the highest elasticity. The integrated connections – one with a rotatable nipple and the other with a rotatable closure coupling – secure easy integration into all standard hose systems. The spiral hoses produced in red, yellow, and blue are suitable for pressures up to 10000 mbar *, in the working temperature range of -20 °C to +50 °C. Additionally, the Shore hardness A is defined as 98° according to DIN 53505.

Compressed Air Hoses

PUR compressed air hoses are used in mechanical engineering, hydraulics, pneumatics, and operational technology as pressure hoses, primarily for compressed air. They ensure the highest pressure resistance and wear resistance, are also particularly dimensionally stable yet flexible. They are chemically resistant to fats, oils, gasoline, and other fuels as well as various acids and alkalis. The allowable temperature range is -20 °C to +60 °C, and the maximum operating pressure is 20 bar *.

PUR Suction and Pressure Hoses

Pressure and suction hoses are also part of the range of hose technology from polyurethane. They are considered conveying hoses for powdery, free-flowing, and other granular solids, such as granules, but can also be used for conveying gases and liquid fluids. They are extremely abrasion-resistant, highly kink-resistant, and characterized by the best mechanical strength. Temperatures of -20 °C to +80 °C are allowed as well as a maximum working pressure of 6000 mbar *.

Welding Spray Hoses 

PUR welding spark hoses belong to the range of hose technology from polyurethane. These are special hoses that can be used even in the presence of sparks and welding spatter. The mechanical strength and tear resistance are excellent. The welding hoses are characterized by tight bending radii and excellent insulating properties. They are chemically resistant to gasoline, cyclohexane, diesel oil, isooctane, and kerosene. The temperature range is -30 °C to +100 °C and the pressure range is 12 to 18 bar *, depending on the type.

PA

Reichelt Chemietechnik presents pressure hose variants made of polyamide as antistatic or electrically conductive hoses, flexible chemical hoses, calibrated conveying hoses, high-pressure hoses, lumen tubing (multi-channel hoses), and spiral hoses. Typical applications include medical technology, chemical engineering, pneumatics, hydraulics, and process engineering.

Electrically Conductive and Outer Tolerated

PA chemical hoses – electrically conductive and outer tolerated – are pressure hose variants in an antistatic or electrically conductive version. Electrically conductive hose variants are used in explosion-protected areas, for example, as vacuum hoses or conveying hoses. The electrical conductivity of the antistatic hoses is ensured by filling the plastic with graphite. The flexible chemical hoses have high wear resistance, mechanical strength, and abrasion resistance, and are also particularly impact-resistant and pressure-resistant. The allowable temperature range is -40 °C to +90 °C.

High Flexible

PA chemical hoses – High Flexible – are pressure hoses for pressure ranges from 16 to 24 bar * depending on the respective hose dimension. With a bending radius of 20 mm to 55 mm, they are considered highly flexible and pliable. The chemical hoses are available in natural and black colors and are also heat-resistant as well as weather-resistant. The working temperature range is -40 °C to +60 °C and their Shore hardness D is defined as 55° according to DIN 53505.

Lumen Hoses

PA lumen chemical hoses – dual-lumen – are hoses for pressures in the range of 13 to 34 bar *, depending on the hose dimension. They have high mechanical strength and at the same time good flexibility. Additionally, their high dimensional stability and low moisture absorption are noteworthy. The working temperature is -40 °C to +120 °C, although temporarily +150 °C is also permitted. The lumen hoses can be steam sterilized at +136 °C as well as gas sterilized with ethylene oxide and by gamma radiation. The gas tightness, also known as gas permeability, is excellent: The gas hoses are considered almost gas-tight.

Hoses for Medical Technology

PA hoses for medical technology are used as pressure hoses in medical technology, hygiene technology, sterilization technology, and hospital technology. The maximum working pressure varies depending on the hose type from 6.1 to 20.3 bar *. Available in two versions, both flexible and semi-rigid, they are characterized by good mechanical strength and high wear resistance as well as impact resistance. Furthermore, they are non-toxic, free from any extractable components, and can be considered medically pure. The working temperature range is permissible from -40 °C to +80 °C.

Other Applications and Properties of Polyamide Pressure Hoses

Spiral hoses – imperial – are predestined as conveying hoses for gaseous and liquid media, but they are also used in vibrating systems and plants, here specifically in hydraulic control as well as in pneumatic control on robotic systems and automatic dosing plants. Their resistance to oils and fuels is given. The working temperature ranges from -40 °C to +90 °C, with the operating pressure specified as 15 bar * for all hose dimensions.

PA pneumatic and hydraulic pipelines are flexible pressure lines used for pneumatic and hydraulic control systems. This variant is also used for conveying gaseous and liquid media. Pneumatic pipes made of polyamide are manufactured in yellow, blue, and red colors. Their temperature range is from -70 °C to +70 °C, with the maximum permissible operating pressure ranging from 7 to 15 bar *.

PVC

The range of pressure hoses made of polyvinyl chloride presented by RCT includes chemical hoses, conveying hoses, color hoses, food hoses, beverage hoses, wine hoses, soft drink hoses, mineral water hoses, as well as pressure and suction hoses. Furthermore, the product program includes corrugated hoses used in the food sector, such as milk hoses, wine hoses, or food hoses in dairy operations. The hoses vary in their pressure behavior depending on the wall thickness and the respective pressure carrier.

Pressure and High-Pressure Hoses

PVC chemical high-pressure hoses are set for pressures in the range of 13 to 24 bar *, hose type dependent, ensured by a fabric insert as a pressure carrier. The hoses are extremely flexible and resistant, abrasion-resistant, and pressure-safe – they are also resistant to hot water and oil. The inner and outer surfaces are absolutely smooth and flame-retardant. The Shore hardness A is rated at 75° according to DIN 53505.

Color pressure hoses are manufactured in blue, green, and yellow colors. They are used as universal hoses with great pressure safety: Thus, the maximum operating pressure is 20 bar *, thanks to an integrated rayon braid as a pressure carrier. The color hoses are also oil-resistant and hot water-resistant and thermally stable from -10 °C to +60 °C.

PVC pressure hoses – thin-walled – are used in hydraulics, pneumatics, and for cooling lines. They ensure the highest pressure resistance and flexibility, in a pressure range of 20 to 28 bar *, depending on the hose dimension. The Shore hardness A is stated as 76° according to DIN 53505.

For Even Higher Pressure Requirements PVC high-pressure hoses are suitable: Thanks to the integrated polyester insert, they withstand pressures up to 80 bar *. The hoses are intended for high-pressure applications in industrial technology, chemical engineering, and process engineering, and are characterized by the highest mechanical strength as well as weather and aging resistance. The temperature range is specified as -15 °C to +60 °C.

PVC compressed air hoses are used as compressed air lines in plant construction, process technology, operational technology, as well as in pneumatics and hydraulics. The compressed air hoses are robust and have the highest pressure resistance (20 bar *). Thermally, they can be stressed from -20 °C to +60 °C.

Food Grade Hoses for Pressure Applications

PVC food pressure hoses are used for conveying beverages such as wine, fruit juices, soft drinks, mineral water, and must, but other alcoholic beverages can also be conveyed with the hose, up to a maximum alcohol content or ethanol content of 13 %. The food hoses are flexible and resistant, aging-resistant and weather-resistant, and also abrasion-resistant and robust. The inner and outer surfaces of the hose are absolutely smooth. The Shore hardness A is rated at 75° according to DIN 53505, and the permissible working temperature is from -10 °C to +60 °C. The BfR and FDA-compliant food hose is designed for pressure applications from 8 to 23 bar *, depending on the hose dimension.

Food pressure hoses – FDA – are universal hoses for conveying liquid foods and beverages. Thus, they are considered FDA and BfR-compliant food hoses for pressure applications. The Shore hardness A is rated at 70° according to DIN 53505, and the permissible working temperature is from -10 °C to +60 °C. The integrated pressure carrier – a polyester fabric braid – secures the maximum pressure of 4 to 20 bar *, depending on the hose dimension.

PVC suction-pressure food hoses are used as pressure hoses for food, beverages, and other foodstuffs. As pressure-resistant, physiologically harmless, and absolutely odor- and taste-neutral food hoses, they find versatile use, for example, for filling beverages with an alcohol content of up to 28%.

Water Hoses

PVC water hoses – standard – are pressure hoses for water treatment, water technology, environmental technology, as well as for wastewater technology, process technology, and process engineering. The high mechanical strength of the cadmium-free water hoses is to be highlighted, as well as their weather resistance, aging resistance, and flame retardancy. The permissible working temperature is from -15 °C to +60 °C, and the maximum operating pressure for all hose types is 10 bar *.

Water hoses – TPE special compound – are used in plant engineering, chemical engineering, as well as in water supply and wastewater technology. The water hoses for the highest demands are robust, weather-resistant, and aging-resistant as well as flame-retardant. The working temperature is -20 °C to +60 °C, and the maximum working pressure is 10 bar *, for all hose dimensions. The pressure load capacity is secured by an integrated polyester insert.

Spiral Hoses and Corrugated Hoses

PVC spiral industrial suction and pressure hoses – dark green – are heavy spiral hoses for suction and pressure applications. Their vacuum resistance is 99.9% for inner diameters up to 50 mm, respectively 80% for inner diameters up to 76 mm. The pressure resistance is in the range of 3 to 5 bar *, depending on the hose dimension. Pressure and vacuum load capacity are ensured by the integrated spiral made of hard PVC (PVC-U). The heavy spiral and corrugated hoses can be thermally stressed from -10 °C to +60 °C.

PVC spiral industrial hoses from our range are equipped with a steel wire spiral as a pressure carrier. This ensures a vacuum resistance of 90% and a maximum permissible working pressure of 3 to 7 bar *, depending on the respective hose type. The working temperature range is from -10 °C to +60 °C.

Corrugated hoses for wine and food are used for conveying fat-free foods. The food hoses can be thermally stressed from -10 °C to +60 °C, at an operating pressure of 6 to 8 bar *, depending on the hose type. The vacuum resistance is stated as 98% *.

Corrugated hoses for milk and food can be used as pressure and suction hoses and here for conveying fatty foods, such as milk, yogurt, and other dairy products. The working temperature is -10 °C to +60 °C and the vacuum resistance 70% *. The maximum permissible operating pressure is defined as 5 bar *, with the burst pressure at 15 bar *.

TYGON®

TYGON® pressure hoses – FDA – are set for pressures in the range of 5.1 to 17 bar *. They meet the Shore hardness A 65° according to DIN 53505 and are suitable for temperatures from -20 °C to +74 °C. The physiologically harmless and food-grade hoses are FDA and BfR compliant and meet the NSF 51 plastic standard.

Buy Pressure Hoses at rct-online.de

Discover the extensive range of affordable pressure hoses from Reichelt Chemietechnik. In our assortment, you will find not only high-quality hose lines for vacuum and pressure applications but also suitable accessories, such as tube & hose connectors, hose & tubing clamps, and stopcocks.

Many of our products are kept in stock permanently – we deliver just-in-time. Do you have questions about our products and need technical advice? Then just give us a call or send us an email. Our hose experts will be happy to advise you.

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* at +20 °C