Drilling mud circulating pit clean out gate valve

Details Drilling mud circulating pit clean out gate valve Drilling mud circulating pit clean out gate valve

1994-06-30

1995-06-27

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

Gate valve

251 76, F16K 314

Patent

active

054273536

ABSTRACT:
A drilling mud circulating tank clean out valve is formed by a wedge-shaped valve body having an apertured planar surface secured to the wall of the circulating tank around a cleanout opening adjacent its bottom to form a fluid outlet passageway. A wedge-shaped valve is vertically moveable in the valve body for seating and sealing with a valve seat.

REFERENCES:
patent: 853168 (1907-05-01), Garbe
patent: 863180 (1907-08-01), Howard
patent: 4247312 (1981-01-01), Thakue et al.
patent: 4526687 (1985-07-01), Nugent
patent: 4536286 (1985-08-01), Nugent

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