Ball valve seat assembly having a swaged seat ring to retain the

Details Ball valve seat assembly having a swaged seat ring to retain the Ball valve seat assembly having a swaged seat ring to retain the

1977-08-05

1979-01-23

Weakley, Harold W.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Liquid supplied at valve interface

137315, 251174, 251315, 251317, F16K 336

Patent

active

041355458

ABSTRACT:
A ball valve seat assembly includes a seat ring for mounting in a ball valve seat pocket and an annular face seal mounts on one end of the seat ring. The resilient annular face seal member is mounted in a groove in the seat member with one end portion exposed to seal against a ball valve member. The annular seal member has an enlarged end portion located in the closed end of the annular groove. An inner wall portion of the seat ring is permanently deformed radially outwardly over the enlarged portion of the seal ring to anchor it in place in the seat ring. Deforming of the inner wall portion is done by swaging the seat ring.

REFERENCES:
patent: 2963260 (1960-12-01), Siravo
patent: 3219055 (1965-11-01), Dumm
patent: 3275025 (1966-09-01), Kowalski

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