Valve construction and improved parts for the same or the like

Details Valve construction and improved parts for the same or the like Valve construction and improved parts for the same or the like

1975-03-07

1976-09-07

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1518

Patent

active

039791297

ABSTRACT:
A valve construction having a valve bonnet provided with opposed ends and an external peripheral surface intermediate those ends, the internal peripheral surface having locking recesses formed therein. A cover member is telescoped over the valve bonnet and carries a spring retainer having a pair of opposed elbow portions thereof received in the locking recesses of the valve bonnet to detachably lock the cover member to the valve bonnet. A packing gland is carried by the valve bonnet and has a movable valve stem passing therethrough to be sealed by the packing gland while being adapted to move axially relative thereto. The packing gland carries two resilient O-rings separated by an annular lubricant impregnated packing material whereby the valve stem passes axially through the O-rings and the annular packing material to be sealed thereby while being axially movable relative thereto.

REFERENCES:
patent: 3284086 (1966-11-01), Primrose

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