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We are closed on May 9 and 10 due to Ascension Day. Orders placed between May 9 & 12 will be processed on May 13. If you still need products before then, please contact us
| Quantity | Per piece |
|---|---|
| 1+ | € 189,1983 |
| 10+ | € 171,0550 |
| 25+ | € 161,5953 |
| 50+ | € 152,1356 |
| 100+ | € 126,9267 |
| 250+ | € 111,1570 |
| 500+ | € 105,6372 |
| 1000+ | € 105,6372 |
| In stock | Yes, 22 pcs |
| Article number | 55139 |
| Color | Black |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 37x4 |
| Material | FFKM - FFPM |
| Packaging Unit | O-ring |
| Product name | O-ring 37x4 FFKM |
| Size in text | thirty seven zero by four zero |
| Trade names | Evolast® - Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Alternative Size | |
| DIN 3771 Size Chart | 37x4 |
| SMS 1586 Size chart | 37 X 4 |
| Core Spec's | |
| Approval | General Purpose (+270˚C) |
| CS (Cross Section) | 4 mm |
| Hardness | 75 Shore A |
| ID (inner diameter) | 37 mm |
| Temperature Max | 270 ºC |
| Temperature Min | -20 ºC |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 37x4mm and in the color Black. The Hardness of this O-ring 37x4 - FFKM - FFPM - 75 Shore A - Black - Kalrez® 6375 - ORS55139 (Equivilent) is 75 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Evolast® - Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax. The O-ring is commonly used in and has an operating temperature range from -20 ºC to 270 ºC. O-rings 527341 are indicated as 55139 and have a DIN 3771 Size of 37x4. This item is equal to and has an General Purpose (+270˚C) Approval. The chemical name of this Oring is Perfluoroelastomer.
