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.
 
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 ½” outlet connection available in Standard Grooved fitting - NH or NPT threads (Call for Threaded)
 
 
Dimensions: 6 ½” L x 4 5/32” W x 6 ½” H
 
 
Weight: 14 3/8 lbs.