Cartridge Insert Check/Relief Valves
These spring-operated poppet valves, with optional relief settings, allow free flow in only one direction and prevent backflow. They also are used for relief and by-pass functions; however, they should not be used as safety relief valves.
| Part Number | Cavity Diameter | Body Material | Seal Material | Crack Pressure | Max Flow Coefficient | |
|---|---|---|---|---|---|---|
| 2201B-9 | 0.312" | Brass | Neoprene | 1-2 PSI | 0.15 | |
| 2201B-9-5 | 0.312" | Brass | Neoprene | 5 PSI | 0.15 | |
| 2201B-9-10 | 0.312" | Brass | Neoprene | 10 PSI | 0.15 | |
| 2201B-9-25 | 0.312" | Brass | Neoprene | 25 PSI | 0.15 | |
| 2201B-9-50 | 0.312" | Brass | Neoprene | 50 PSI | 0.15 | |
| 2201B-9-65 | 0.312" | Brass | Neoprene | 65 PSI | 0.15 | |
| 2201C-9 | 0.312" | Steel | Neoprene | 1-2 PSI | 0.15 | |
| 2201C-9-5 | 0.312" | Steel | Neoprene | 5 PSI | 0.15 | |
| 2201C-9-10 | 0.312" | Steel | Neoprene | 10 PSI | 0.15 |
