EPDM & NBR Washer / Flat O-Ring offers a durable solution designed to meet different application needs. The EPDM version provides heat resistance between -25°C and +100°C with a hardness range of 65-75 Shore, while the NBR (Nitrile) version offers heat resistance between -20°C and +80°C with a hardness range of 65-70 Shore. With these features, both options ensure reliable sealing for a wide range of applications.
Size Chart
| Nominal Size | EPDM | NBR | Mounting Diameter Ø C |
Box Piece |
| Code No | Code No | (mm) | ||
| M12x1,5 | ERNDL.01 | NRNDL.01 | 12 | 100 |
| M16x1,5 | ERNDL.02 | NRNDL.02 | 16 | 100 |
| M20x1,5 | ERNDL.03 | NRNDL.03 | 20 | 50 |
| M25x1,5 | ERNDL.04 | NRNDL.04 | 25 | 50 |
| M32x1,5 | ERNDL.05 | NRNDL.05 | 32 | 25 |
| M40x1,5 | ERNDL.06 | NRNDL.06 | 40 | 25 |
| M50x1,5 | ERNDL.07 | NRNDL.07 | 50 | 20 |
| M63x1,5 | ERNDL.08 | NRNDL.08 | 63 | 20 |
| M75x1,5 | ERNDL.09 | NRNDL.09 | 75 | 10 |
| M90x1,5 | ERNDL.10 | NRNDL.10 | 90 | 10 |
| M100x1,5 | ERNDL.11 | NRNDL.11 | 100 | 5 |
| PG-7 | ERNDL.01 | NRNDL.01 | 12.5 | 100 |
| PG-9 | ERNDL.02 | NRNDL.02 | 15.5 | 100 |
| PG-11 | ERNDL.03 | NRNDL.03 | 18.5 | 50 |
| PG-13,5 | ERNDL.04 | NRNDL.04 | 20.5 | 50 |
| PG-16 | ERNDL.05 | NRNDL.05 | 22.5 | 25 |
| PG-21 | ERNDL.06 | NRNDL.06 | 28.5 | 25 |
| PG-29 | ERNDL.07 | NRNDL.07 | 37.5 | 20 |
| PG-36 | ERNDL.08 | NRNDL.08 | 47 | 20 |
| PG-42 | ERNDL.09 | NRNDL.09 | 55 | 10 |
| PG-48 | ERNDL.10 | NRNDL.10 | 60 | 10 |
| 1/4″ NPT | ERNDL.41 | NRNDL.41 | 13.46 | 100 |
| 3/8″ NPT | ERNDL.42 | NRNDL.42 | 16.96 | 100 |
| 1/2″ NPT | ERNDL.43 | NRNDL.43 | 21.26 | 50 |
| 3/4″ NPT | ERNDL.44 | NRNDL.44 | 26.74 | 50 |
| 1″ NPT | ERNDL.45 | NRNDL.45 | 33.55 | 25 |
| 1-1/4″ NPT | ERNDL.46 | NRNDL.46 | 42.21 | 25 |
| 1-1/2″ NPT | ERNDL.47 | NRNDL.47 | 48.10 | 20 |
| 2″ NPT | ERNDL.48 | NRNDL.48 | 59.91 | 20 |
| 2-1/2″ NPT | ERNDL.49 | NRNDL.49 | 75.48 | 10 |
| 3″ NPT | ERNDL.50 | NRNDL.50 | 88.18 | 10 |
| 3-1/2″ NPT | ERNDL.51 | NRNDL.51 | 100.63 | 5 |
| *All dimensions are for informational purposes only. Tolerances +/- 5%. | ||||
