SENTINEL Back Pressure Valve, High Pressure, with NPT or Socket Weld Connections (BSP available for some sizes). Handles 50-350 psi.

• All valves come with PVC top. Stainless or CPVC also available upon request
• All valves come with standard 5-150 PSI spring
• If low pressure, 5-50 PSI (L) is required, a low pressure spring can be installed upon request (No price adder)
• All 1.5", 2", 3" & 4" Pressure Relief Valves are two port connections
• BSP connections also available on select models