Cartridge Insert Lock Valves
Lock valves (piloted operated check valves) allow free flow from valve port to cylinder port (or portion of circuit) and “lock” reverse flow until pilot pressure is applied to unlock the internal check valve and allow reverse flow. Available with a sealed pilot piston for pneumatic and gas applications. Also allows the use of a different
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| Part Number | Cavity Diameter | Max Working Pressure | Pilot Ratio | Crack Pressure | Max Flow Coefficient | Body Material | Seal Material | Sealed Pilot Piston | |
|---|---|---|---|---|---|---|---|---|---|
| 2741 | 0.375" | 3000 PSI | 3:1 | 10 PSI | 0.09 | Steel | Teflon® | No | |
| 3541C-6 | 0.375" | 3000 PSI | 3:1 | 15 PSI | 0.09 | Steel | Buna-N | Yes | |
| 3541C-18 | 0.375" | 3000 PSI | 3:1 | 15 PSI | 0.09 | Steel | Viton® | Yes | |
| 2743 | 0.625" | 3000 PSI | 3:1 | 10 PSI | 0.46 | Steel | Teflon® | No | |
| 3543C-6 | 0.625" | 3000 PSI | 3:1 | 15 PSI | 0.46 | Steel | Buna-N | Yes | |
| 3543C-18 | 0.625" | 3000 PSI | 3:1 | 15 PSI | 0.46 | Steel | Viton® | Yes | |
| 2746 | 0.750" | 3000 PSI | 3:1 | 10 PSI | 0.80 | Steel | Teflon® | No | |
| 3546C-6 | 0.750" | 3000 PSI | 3:1 | 15 PSI | 0.80 | Steel | Buna-N | Yes | |
| 3546C-18 | 0.750" | 3000 PSI | 3:1 | 15 PSI | 0.80 | Steel | Viton® | Yes |
