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Class Information
Number: 137/866
Name: Fluid handling > Systems > With flow control means for branched passages > With common valve operator > Threaded actuator
Description: Systems wherein the means to coordinate the actuation of the flow control means includes a member having a helical rib, which member reciprocates as a result of rotary motion applied thereto.

Patents under this class:

Patent Number Title Of Patent Date Issued
5979484 Safety and regulation valve unit for a gas installation particularly a heating installation Nov. 9, 1999
4644973 Valve unit for air-conditioner piping Feb. 24, 1987
4580599 Valve assembly for relieving pressure on a process structure Apr. 8, 1986
4511119 Adjustable valve assembly Apr. 16, 1985
4438782 Isolation steam valve with atmospheric vent and relief capability Mar. 27, 1984
4296777 Multiple coupling for lubricating systems Oct. 27, 1981

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