Fire safe expansible tube type valve

Details Fire safe expansible tube type valve Fire safe expansible tube type valve

1981-07-29

1983-11-01

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251 5, 251 611, F16L 700

Patent

active

044125542

ABSTRACT:
An expansible tube type valve wherein a flexible tube, which is sealed around its ends in a valve body, is stretched to seal around a barrier in the flow passage. Thin rings of thermal insulation material are disposed around the ends of the flexible tube, interposed between it and parts of the valve body normally in contact therewith, so as to isolate the tube from the body and preclude transmission of high temperatures thereto, as in the event of a fire in the area.

REFERENCES:
patent: 3371677 (1968-03-01), Connolly
patent: 3425439 (1969-02-01), Duffy et al.
patent: 3669142 (1972-06-01), Gerbic
patent: 3858618 (1975-01-01), Kaufman

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