Morrison Bros 1/2″ Adjustable Expansion Relief Valve

$121.81 $87.71



Designed for use on aboveground storage tank piping systems. Allows excess pressure caused by thermal expansion of the liquid to return to the tank. Standard Features
  • Not for use with leak detection systems
  • One way flow
  • Approximate settings available; 25, 40 or 100 PSI
Construction Details
  • Body: Ductile iron
  • Cap: Stainless steel
  • Spring: Stainless steel
  • Ball: Stainless steel

Additional information

Weight 0.75 lbs
Dimensions 4 × 2 × 3 in
Pressure Setting

25 psi, 40 psi, 100 psi


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