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| Article number | 178951 |
| Description 2 | O-ring FFKM - FFPM 136x7 |
| Dimensions | 136x7 |
| Equal to | Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S |
| Material | FFKM - FFPM |
| Seal type | O-ring |
| Alternative Size | |
| DIN 3771 Size Chart Explanation | 136x7 |
| Size in text | one hundred and thirty six zero by seven zero |
| SMS 1586 Size chart | 136 x 7 |
| Core Spec's | |
| Approval | FDA - EC1935/2004 - USP Class VI - 3A Sanitary Standard |
| Color | White |
| CS (Cross Section) Explanation | 7 mm |
| Hardness Explanation | 70 Shore A |
| ID (Inner diameter) Explanation | 136 mm |
| Temperature Max | 270 ºC |
| Temperature Min | -20 ºC |
| echnical Spec's | |
| Compression Set | 217010303 % |
| Engels: Technical Specifications | |
| Specific Gravity | 217010303 g/cm3 |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez 6880 & Dupont Kalrez 6221 |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Not Known |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | PPE Perlast G74S |
| Trelleborg Isolast® Equivalent | Not Known |
| Other Specs | |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Product name | O-ring 136x7 FFKM - FFPM |
| Trade names | Chemraz® - Simriz® - Kalrez® - Spectrum - Triazinico - Isolast® - Parofluor® - Fluorez - Perlast® - HPSealing® - Perfluor® - Polymax |
| Technical Specifications | |
| Tensile Strength | 217010303 MPa |
| Ultimate Elongation | 217010303 % |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 136x7mm and in the color White. The Hardness of this O-ring 136x7 - FFKM - FFPM - FDA - EC1935/2004 - USP Class VI - 70 Shore A - White - Kalrez® 6880 - ORS178951 (Equivilent) is 70 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by 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 557921 are indicated as 178951 and have a DIN 3771 Size of 136x7. This item is equal to Kalrez® 6880 - Kalrez® 6221 - Perlast® G74S and has an FDA - EC1935/2004 - USP Class VI - 3A Sanitary Standard Approval. The chemical name of this Oring is Perfluoroelastomer.
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