Spacer carriers for floating seats in gate valves

Details Spacer carriers for floating seats in gate valves Spacer carriers for floating seats in gate valves

1978-06-29

1980-02-12

Weakley, Harold W.

Valves and valve actuation

Reciprocating valve

Gate

251167, 251196, F16K 300

Patent

active

041880161

ABSTRACT:
A gate valve structure having a pair of opposed spacer carriers (72,74) fitting within the valve chamber in abutting relation to each other and spacing the floating upstream and downstream seats (60, 62) from each other a predetermined minimum distance. Each carrier (72, 74) has an annular base (76) adjacent one of the flow passages and a pair of spacers or guides (78, 80) secured to the base and extending from the base (76) in a direction axially of the flow passage. The spacers (78, 80) on opposed carriers are in abutting relation to each other and form a smooth continuation. An expanding gate assembly (28) fits between the spacers and moves between open and closed positions relative to the flow passages.

REFERENCES:
patent: 2906491 (1959-09-01), Young
patent: 3823911 (1974-07-01), Natho
patent: 4062516 (1977-12-01), Grove
patent: 4116419 (1978-09-01), Diehl

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