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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