Dual Relief Valve Manifold


The dual
relief valve manifold meets the ANSI/ASHRAE 15-1994 safety requirements
for mechanical refrigeration in which pressure vessels that have 10
cubic feet or more of internal gross volume shall be fitted with dual
pressure relief valves. This is typically accomplished using a pair of
pressure relief valves interconnected by a three-way dual manifold.
Operation is not disruption while the other valve is being replaced
thereby eliminating the need to remove refrigerant from the vessel.


  • Size: ½ inch, ¾ inch, 1 inch and 1 ¼ inch
  • Higher releasing capacity
  • No isolation valve required, which gives more safety to the pressure vessel with at least one relief valve in operation.
  • One valve can be removed for repairs at any time.

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Dual Relief Valve Manifold

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