Pressure relief valve assembly

Details Pressure relief valve assembly Pressure relief valve assembly

1991-03-08

1991-12-31

Nilson, Robert G.

Pipes and tubular conduits

With closures and plugs

Inflatable

137540, 13754321, F16L 55128

Patent

active

050763288

ABSTRACT:
An adjustable pressure relief valve for use in a fluid pressurized system. The pressure relief valve has a valve body with a passage that terminates at inlet and outlet ends. The passage includes a valve chamber, a valve seat at the inlet end, and a valve base adjustably secured proximate the outlet end. A valve head sealingly engages the valve seat by a spring that is interposed between the valve head and the valve base. The valve body is constructed and arranged for use as an end cap in a flexible pressurized system, such as a pneumatic pipeline plug.

REFERENCES:
patent: 1180282 (1916-04-01), Bunn
patent: 4614206 (1986-09-01), Mathison
patent: 4790356 (1988-12-01), Tash
patent: 4865136 (1989-09-01), White
patent: 4889151 (1989-12-01), Oten

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