Seating and actuator for a ball valve

Details Seating and actuator for a ball valve Seating and actuator for a ball valve

1974-06-14

1976-01-27

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251259, 251298, F16K 2500

Patent

active

039348490

ABSTRACT:
Improvements in a ball-type shut off valve including a resilient seating means whereby an O-ring is included in conjunction with the seat to provide both metal-to-metal and metal-to-O-ring seating. Also included is a removable ball carrying means carried by the actuator arm, whereby straight through assembly of the actuator arm may be made directly through the valve operator opening thereby reducing the possibility of damaging seals on assembly and disassembly.

REFERENCES:
patent: 2499732 (1950-03-01), Diehl
patent: 2574428 (1951-11-01), Wheatley
patent: 2650059 (1953-08-01), Hjulian
patent: 3368790 (1968-02-01), Burke
patent: 3473554 (1969-10-01), King

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