Low torque back seating stem for gate valve

Details Low torque back seating stem for gate valve Low torque back seating stem for gate valve

1993-07-12

1994-05-17

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Actuator controlled stem seal

251214, 137315, F16K 4114

Patent

active

053120876

ABSTRACT:
A gate valve adapted for stem back seating has a stem and bonnet assembly with a rotatable bearing ring to which the stem is releasably fixed during normal gate opening and closing operations. During back seating, the stem is released from the bearing ring and the bearing ring is fixed to the bonnet cap, enabling low torque back seating by rotation of the stem relative to the bearing ring and bonnet cap.

REFERENCES:
patent: 2924233 (1960-02-01), Michaels
patent: 3412750 (1968-11-01), Volpin
patent: 4149558 (1979-04-01), McGee et al.

Affiliated with

Also associated with

Rating

Low torque back seating stem for 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 Low torque back seating stem for gate valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low torque back seating stem for gate valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-871417