Screw-in throttle valve and pressure gauge assembly

Details Screw-in throttle valve and pressure gauge assembly Screw-in throttle valve and pressure gauge assembly

1991-01-15

1992-10-06

Cohan, Alan

Fluid handling

With indicator, register, recorder, alarm or inspection means

Fluid pressure responsive indicator, recorder or alarm

251264, F16K 3150

Patent

active

051523183

ABSTRACT:
A screw-in throttle valve and pressure gauge assembly including a valve member and a selectively rotatable screw-in member operatively associated with the valve member for permitting selected positioning of the valve member with respect to a valve seat. The screw-in valve member supports a pressure gauge at a location outside the valve body and the valve member is formed with a capillary bore communicating between a first flow duct downstream of the valve seat and the pressure gauge so that when the screw-in member and valve member are selectively positionable for varying the gap between the valve seat and valve member the valve gauge is simultaneously moveable with the valve member and screw-in member for directly measuring the pressure at the first flow duct without alteration of the pressure gauge.

REFERENCES:
patent: 1484740 (1924-02-01), Rubino
patent: 3259144 (1966-07-01), Taplin
patent: 3272230 (1966-09-01), Bolling
patent: 3402608 (1968-09-01), Nishigori
patent: 4092865 (1978-06-01), Strybel
patent: 4355658 (1982-10-01), Snyder

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