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Expansion Relief Valve
One Year Manufacturer Warranty

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Morrison Brothers 078DI-0200 AV Expansion Relief Valve

.5 in., 40 PSI

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Model # Description Price Qty
078DI-0200 AV .5 in., 40 PSI $160.40
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Morrison Brothers 78DI Series 1/2 in. Expansion Relief Valves
Manuals and Information:
78DI Series Spec Sheet

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
  • One way flow
  • Approximate settings available; 25, 40 or 100 PSI
Construction:
  • Body: Ductile iron
  • Cap: Stainless steel
  • Spring: Stainless steel
  • Ball: Stainless steel

NOTE: Not for use with leak detection systems (See Morrison Brothers 76DI Series)

Figure Suffix Size Description Weight (lbs)
078DI 0100 AV .5" Expansion Relief Valve (25 PSI Setting) 0.75
078DI 0200 AV .5" Expansion Relief Valve (40 PSI Setting) 0.75
078DI 0300 AV .5" Expansion Relief Valve (100 PSI Setting) 0.75

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