Key Specifications & Parameters Parameter Specification Model 1052PSV Size 60 Type Pilot-Operated, Spring-Loaded Pressure Relief Valve Inlet Size 4Q (4-inch) Outlet Size 6Q (6-inch) Pressure Rating ANSI Class 150, 300, 600 Set Pressure Range 15 to 225 psig (1 to 15.5 bar) - varies with spring selection Temperature Range -20° to 406°F (-29° to 208°C) Capacity High flow capacity suitable for large volume relief applications Body Materials Standard: Carbon Steel (WCB) Options: Stainless Steel, Other alloys Trim Materials Stainless Steel trim standard Seat Materials Soft Seat: PTFE for tight shut-off Metal Seat: Available for high-temperature applications Pilot Connection 1/2-inch NPT Backpressure Capability Balanced design suitable for variable backpressure conditions
