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| Article number | 177981 |
| Description 2 | O-ring FFKM - FFPM 149x3.5 |
| Dimensions | 149x3.5 |
| Equal to | Not Known |
| Material | FFKM - FFPM |
| Seal type | O-ring |
| Alternative Size | |
| DIN 3771 Size Chart Explanation | 149 x 3.5 |
| Size in text | one hundred and forty nine zero by three comma fifty |
| SMS 1586 Size chart | 149x3.5 |
| Core Spec's | |
| Approval | AED - NORSOK M710 - Low Temp |
| Color | Black |
| CS (Cross Section) Explanation | 3.5 mm |
| Hardness Explanation | 90 Shore A |
| ID (Inner diameter) Explanation | 149 mm |
| Temperature Max | 270 ºC |
| Temperature Min | -40 ºC |
| echnical Spec's | |
| Compression Set | 26 % |
| Engels: Technical Specifications | |
| Specific Gravity | 1,92 (+/- 0.03) g/cm3 |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Not Known |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Not Known |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | Not Known |
| Trelleborg Isolast® Equivalent | Not Known |
| Other Specs | |
| Alternative names | FFPM – Dupont Kalrez |
| Chemical Name | Perfluoroelastomer |
| Product name | O-ring 149x3.5 FFKM - FFPM |
| Trade names | Kalrez® - Simriz® - Chemraz® - Spectrum® - Triazinico® - Isolast® - Parofluor® - Fluorez® - Perlast® - Perfluor® |
| Technical Specifications | |
| Tensile Strength | 11,8 MPa |
| Ultimate Elongation | 115 % |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 149 x 3.5mm and in the color Black. The Hardness of this O-ring 149x3,5 - FFKM - FFPM - AED - NORSOK M710 - Low Temp. - 90 Shore A - Black - ORS546400 is 90 Shore A.The alternative names of the compound are FFPM – Dupont Kalrez and they are mostly produced by Kalrez® - Simriz® - Chemraz® - Spectrum® - Triazinico® - Isolast® - Parofluor® - Fluorez® - Perlast® - Perfluor®. The O-ring is commonly used in and has an operating temperature range from -40 ºC to 270 ºC. O-rings 546400 are indicated as 177981 and have a DIN 3771 Size of 149 x 3.5. This item is equal to Not Known and has an AED - NORSOK M710 - Low Temp Approval. The chemical name of this Oring is Perfluoroelastomer.
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