Product details:

High-capacity, multipurpose valve features a dual lapped disc for improved seating tightness. Factory preset and sealed to prevent tampering. Not adjustable. This listing is for each. Technical Specification Item Safety Relief Valve Body Material Brass/Bronze Inlet Type MNPT Outlet Type FNPT Inlet Size 1/2 in Outlet Size 3/4 in Factory Set Pressure 30 psi Disc Material Stainless Steel Overall Height 7 3/8 in Application Liquids Overall Length 7 3/8 in Seat Material Brass/Stainless Steel Spring Material Stainless Steel Temp. Range -320 Degrees to 406 Degrees F Test Lever No Standards ASME Section VIII / CRN This item is restricted for conveying or dispensing water for potable use (human consumption).