Forged brass in-line spring-loaded check valve 1-1/2" BSP female/female. Stainless-steel spring with EPDM/NBR seat disc, brass-poppet construction.
Forged brass in-line spring-loaded check valve 1-1/2" BSP female/female. Stainless-steel spring with EPDM/NBR seat disc, brass-poppet construction.
| Body | Forged brass CW617N |
| Spring | AISI 302 SS |
| Disc / seat | EPDM food-grade (NBR option for oil) |
| Poppet | Brass |
| Connection | 1-1/2" BSP F/F (parallel — ISO 228-1) |
| Cracking pressure | 0.05 bar (0.7 psi) |
| Pressure rating | PN25 (25 bar / 363 psi) |
| Temperature | -10 to +90 °C (EPDM); -10 to +120 °C (FKM upgrade) |
| Mounting | Horizontal or vertical (flow up) |
| Standard | EN 13959, EN 12266-1, DVGW W570 |
| Material | CW617N brass with EPDM seat |
| Pressure rating | PN25 (25 bar / 363 psi) |
| Temperature range | -10 to +90 °C |
| MOQ | 1 pc |
Direct equivalent to Caleffi 3030, RIV 540, AVK 845, STC YK-3010 inline check valves.