Electrically insulated ball valve device

Details Electrically insulated ball valve device Electrically insulated ball valve device

1992-06-04

1993-04-13

Fox, John C.

Valves and valve actuation

Rotary valves

Ball valve

137560, F16K 506

Patent

active

052014932

ABSTRACT:
Disclosed is relating to a electrically insulated ball valve device to be interposed between a couple of metallic pipes for supplying fluid so as to electrically insulating the couple of metallic pipes each other. The device includes a valve body having threaded portion formed at its both end, a valve cap having threaded portions one of which is coupled to one of the threads of the valve body and an insulating layer formed onto any one of said threads thereby electrically insulating the couple of metallic pipes each other without a separate insulating device.

REFERENCES:
patent: 3635439 (1972-01-01), McNally
patent: 4023773 (1977-05-01), Wise
patent: 4076211 (1978-02-01), Krechel et al.

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