Technical specifications
| Standard | ISO 2861:2020 |
|---|---|
| Standard edition | 2020 |
| Product family | KF / NW 快卸法兰替换 O 型圈 |
| Product family ID | FAM-VOR-ISO2861-KF |
| O-ring category | KF / NW 快卸法兰 O 型圈 |
| Inside diameter d1 | 28 mm |
| Inside diameter tolerance | Supplier controlled |
| Cross-section d2 | 5 mm |
| Cross-section tolerance | Supplier controlled |
| Outside diameter | 38 mm |
| Series | KF / NW |
| Quality grade | Vacuum flange replacement |
| Flange compatibility | KF25 / NW25 |
| Material options | NBR, FKM, EPDM, VMQ, FFKM |
| Default material | FKM |
| Hardness options | 70-75 Shore A, compound dependent |
| Temperature baseline | -15 to 150 °C (short exposure up to 200 °C) |
| Vacuum design note | System leak rate and limiting pressure require compound and gland verification |
| Catalog version | 2026.08 |
| Derivation axes | Material, compound, hardness, quality grade and packaging |
| O 型圈分类 | KF / NW 快卸法兰 O 型圈 |
| 内径 d1 | 28 mm |
| 截面 d2 | 5 mm |
| 外径 | 38 mm |
| 内径公差 | 供应商控制 |
| 截面公差 | 供应商控制 |
| 系列 / 等级 | KF / NW / Vacuum flange replacement |
| 法兰兼容 | KF25 / NW25 |
| 可选材料 | NBR, FKM, EPDM, VMQ, FFKM |
| 默认材料 | FKM |
| Lifecycle | Active |
| RoHS | Compliant |
| REACH | Compliant |
| Country of origin | Multiple |