Gate valve

Details Gate valve Gate valve

1994-12-28

1995-10-31

Fox, John C.

Metal working

Method of mechanical manufacture

Valve or choke making

29890129, F16K 300

Patent

active

054617782

ABSTRACT:
A gate valve comprising a valve body, a gate, a bonnet assembly and an actuator assembly. The gate having a closure area, a flow opening extending through the gate, and a recess circumscribing the flow opening and the closure area having a material disposed therein and case hardened to form a wear resistant sealing surface about the flow opening and the closure area having a hardness greater than about 50 Rockwell. The gate being press fitted between a pair of seat rings such that the sealing surface remains in sealing engagement against the seat rings to provide a substantially fluid tight seal when the gate is in an open and closed position. The actuating assembly is connected to the gate for reciprocally moving the gate across the flow bore between the open position and the closed position.

REFERENCES:
patent: 3837356 (1974-09-01), Selep et al.
patent: 4529169 (1985-07-01), Johns et al.
patent: 4997162 (1991-03-01), Baber et al.
patent: 5143348 (1992-09-01), Baber et al.
patent: 5211373 (1993-05-01), Baber

Affiliated with

Also associated with

Rating

Gate valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Gate valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gate valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1764681