Rotary valve washerless cartridge

Details Rotary valve washerless cartridge Rotary valve washerless cartridge

1979-10-19

1982-02-09

Weakley, Harold W.

Fluid handling

Removable valve head and seat unit

Threaded into valve casing

13762532, 251175, F16K 2500

Patent

active

043145817

ABSTRACT:
A valve assembly embodied in cartridge form for ease of manufacture, repair, and replacement and for retrofitting existing valve housings. The cartridge operates with shear on/off operation and includes a valve element having elastomeric properties and a configuration arranged to develop positive shut-off and seal action to prevent leakage in both the flow circuit and along an operating stem.

REFERENCES:
patent: 1971186 (1934-08-01), Kornas
patent: 3082786 (1963-03-01), McLean
patent: 3241810 (1966-03-01), Keller
patent: 3475002 (1969-10-01), Phillips
patent: 3529621 (1970-09-01), Christiansen
patent: 3814120 (1974-06-01), Moen
patent: 3915428 (1975-10-01), Hay

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