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Class Information
Number: 137/478
Name: Fluid handling > Line condition change responsive valves > Pop valves > Adjustable choke > Annular lip or baffle > Screw threaded
Description: Valves in which the annular adjustable lip is screw threaded for axial adjustment along the valve inlet passage.

Patents under this class:

Patent Number Title Of Patent Date Issued
8607818 Pressure relief valve Dec. 17, 2013
7036756 Anti-sputter fluid flow control apparatus for paint sprayers May. 2, 2006
5782259 Pressure relief valve Jul. 21, 1998
5515884 Multi-media safety relief valve May. 14, 1996
5341838 Direct spring pressure operated valve Aug. 30, 1994
5305780 Pressure relief valve with auxiliary loading device Apr. 26, 1994
5246030 Safety valve arrangement Sep. 21, 1993
5234023 Pressure relief valve with auxiliary loading device Aug. 10, 1993
5046524 Safety relief valve Sep. 10, 1991
4708164 Safety relief valve Nov. 24, 1987
4480660 Safety valve Nov. 6, 1984
4418714 Blow down ring locking device Dec. 6, 1983
4130130 Valve with variable secondary orifice Dec. 19, 1978
4036250 Blow-down safety valve Jul. 19, 1977

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