53: Intake Pressure Relief Valve 4 3/8BC W/2.5NPT 250PSI

The Akron Brass pressure relief valve has been redesigned for easier pressure setting and adjustment at the factory and in the field. The new Style 53 is a direct replacement for the Style 59 and is 100% backwards compatible. For mounting on main pump intakes with a four bolt flange. Field adjustable pressure setting. Brass construction The pressure relief valve is spring loaded for use on main pump intakes utilizing a 4-bolt flange. It has field adjustable pressure settings from 50 psi ? 250 psi and is of a brass construction. 250 psi operating pressure Factory set at 125 psi 4-Bolt flange inlet ? 4 3/8?BC standard bolt pattern Brass construction 2 ?? outlet connection available in Standard Grooved fitting, NH or NPT threads Dimensions: 6 ?? L x 4 5/32? W x 6 ?? H Weight: 14 3/8 lbs.