Patent ID: 7146844
Filing Date: 2006-12-12
Classification: F15B,F16K

Abstract:
1. An apparatus for testing hydraulic pressure relief valves, comprising: a body constructed to withstand high pressure; a cavity formed into said body and configured to completely enclose a pressure relief valve therein, said cavity including a valve seat and an aperture through which the pressure relief valve may be received into said cavity to contact said valve seat; a pressure relief valve received in said cavity, said pressure relief valve comprising a sleeve having a passage therein, a valve spool within said passage, and a spring within said passage and cooperating with said valve spool to limit flow through said passage; a pressure gauge in communication with said cavity; at least one fluid inlet communicating with said cavity; a fluid outlet in communication with said cavity; and a closure sealingly couplable to said body, proximate said aperture, to sealably secure said pressure relief valve within said cavity.