High-Performance FEP-Encapsulated FPM O-Rings
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Application area
Very well suited for use in:
Almost all chemicals, polar media such as steam, concentrated acids, alkalis and organic solvents, oxidizing media (e.g. peracetic acid), mineral oils, fuels, vegetable and animal oils, silicones.
Should not be used:
When the application requires the O-Ring to have a tighter sealing capability than that of the core through the thermoplastic shell.
Product specification
Universal chemical resistance (comparable to PTFE)
Large temperature operating ranges
Well suited to food processing, pharmaceutical and medical applications
Low permeability
Low coefficient of friction prevents stick-slip-effect
Very good resistance to weather and aging
Very good abrasion resistance
Technical specification
Material:
Shell: FEP (fluoroethylene-propylene)
Core: FPM (fluorocarbon rubber)
Color:
Shell: transparent
Core: black
Crosslinking: peroxidic
Shore hardness A: 75° ±5 (test plate) (DIN 53505)
Temperature range: -20 to +200 °C
Density: 1.87 g/cm3
Tensile strength: 20.5 N/mm2
Elongation at break: 185 %
Sterilization temperature: +149 °C (for perishable foods); +121 °C (for pharmacy)
Cleaning temperature: +82 °C (for perishable foods)
Regulations:
For the food processing industry: conforming to FDA (CFR 21 §177.2600), free from animal derived ingredients (ADI free)
For perishable foods: 3-A® Sanitary Standards Class II
For the pharmacy: USP Plastic Class VI at +121 °C
(valid for the FEP-shell)
General Information O-Rings
These O-Ring materials are specially developed for use in the food processing, pharmaceutical, petrochemical and chemical industries, as well as in technological processes
Design: O-Rings are vulcanised in moulds
Method of operation: O-Rings are double-acting sealing elements. The initial squeeze acting in a radial or axial direction due to the installation gives the O-Ring its initial sealing capability. These forces are superimposed by the system pressure to create the total sealing force which increases with increasing system pressure. Under pressure, the O-Ring behaves in a similar way to a fluid with high surface tension. The pressure is transmitted uniformly to all directions (see Figure Sealing forces).
Compared with other sealing elements, the O-Ring has a wide range of advantages: Inexpensive, allows low cost solutions; simple, one-piece groove design reduces hardware and design costs; compact design allows smaller hardware; easy, foolproof installation reduces risk; applicable to a wide range of sealing problems, static, dynamic, single or double acting; wide compound choice for compatibility with most fluids
Most common applications: Sealing of static machine parts against liquid or gaseous media; as a radial static seal, e.g. for bushings, covers, pipes, cylinders; as an axial static seal, e.g. for flanges, plates, caps; as a dynamic sealing element at axial, rotating and oscillating movements
Branch-specific sealing solutions: Approvals and conformities in the food processing industry: ADI free, FDA, 3-A; Sanitary Standards; pharmaceutical industry: ADI free, USP Class VI
Petrochemical industry: ex. decompression
Chemistry: permeation density and chemical stability
Dimensions: Inched ARP 001 - 932; Metric ID 3 - 193 mm; Cord thickness 1 - 8 mm
Manufacturing: According to the latest standards, with an optimal tool park, for quick and flexible handling, the traceability of materials is guaranteed, all parts go through a quality check before packaging
Usual application areas for elastomers regarding temperature and polarity of the used media
Approvals and certificates in the food, pharmaceutical and drinking water industries (see list of approvals)
Usual cleaning media for continuous plants in the food and pharmaceutical industries (see list of cleaning products)
| Item | Image |
Inside Ø mm
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Schnur Ø mm
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Einheit Stück
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Price Euro* | Buy |
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Item
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Image
|
Inside Ø mm
|
Schnur Ø mm
|
Einheit Stück
|
Price Euro* |
Buy
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|---|---|---|---|---|---|---|
| 407620 |
|
12,42 | 1,78 | 5 | 186.00 | |
| 407621 |
|
12,42 | 1,78 | 10 | 321.00 | |
| 407622 |
|
14 | 1,78 | 5 | 186.00 | |
| 407623 |
|
14 | 1,78 | 10 | 321.00 | |
| 407624 |
|
15,6 | 1,78 | 5 | 186.00 | |
| 407625 |
|
15,6 | 1,78 | 10 | 321.00 | |
| 407626 |
|
17,17 | 1,78 | 5 | 192.00 | |
| 407627 |
|
17,17 | 1,78 | 10 | 332.00 | |
| 407628 |
|
18,77 | 1,78 | 5 | 192.00 | |
| 407629 |
|
18,77 | 1,78 | 10 | 332.00 | |
| 407630 |
|
20,35 | 1,78 | 5 | 201.00 | |
| 407631 |
|
20,35 | 1,78 | 10 | 347.00 | |
| 407632 |
|
21,95 | 1,78 | 5 | 201.00 | |
| 407633 |
|
21,95 | 1,78 | 10 | 347.00 | |
| 407634 |
|
23,52 | 1,78 | 5 | 207.00 | |
| 407635 |
|
23,52 | 1,78 | 10 | 358.00 | |
| 407636 |
|
25,12 | 1,78 | 5 | 216.00 | |
| 407637 |
|
25,12 | 1,78 | 10 | 376.00 | |
| 407638 |
|
26,7 | 1,78 | 5 | 231.00 | |
| 407639 |
|
26,7 | 1,78 | 10 | 398.00 | |
| 407640 |
|
28,3 | 1,78 | 5 | 231.00 | |
| 407641 |
|
28,3 | 1,78 | 10 | 398.00 | |
| 407642 |
|
29,87 | 1,78 | 5 | 245.00 | |
| 407643 |
|
29,87 | 1,78 | 10 | 428.00 | |
| 407644 |
|
31,47 | 1,78 | 5 | 245.00 |
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