Item Description

D4557 Adjustable Relief Valve Body Material Bronze Inlet Type MNPT Outlet Type FNPT Inlet Size 1 1/4 in Outlet Size 1 1/4 in Factory Set Pressure 300 psi Pressure Range 251 to 300 psi 0 BtuH BtuH Disc Material 316 Stainless Steel Overall Height 8 1/4 in Overall Length 8 1/4 in Seat Material 316 Stainless Steel Spring Material Stainless Steel Temp Range 0 Degrees to 450 Degrees F Test Lever Test Lever Not Included Standards Non-Code Field Adjustable

Manufacturer Name: AQUATROL

Manufacturer Part Number: 69D1B1M2U1300

Brand Name: AQUATROL

Country of Origin: United States (US)

Unit of Measure: EA

Item Dimensions: 8.300 inches x 4.900 inches x 6.400 inches

Item Weight: 4.300 pounds

UNSPSC: 40141606 | UPC: n/a

Manufacturer's limited warranty.