Dual containment valve system

Details Dual containment valve system Dual containment valve system

1994-03-08

1996-08-20

Walton, George L.

Fluid handling

With leakage or drip collecting

73 405R, 73 46, 137315, 137382, 137527, 251331, G01M 308, F16K 4300

Patent

active

055469779

ABSTRACT:
An integral dual containment valve system for dual containment piping having inner carrier pipes for fluid and outer carrier pipes. The dual containment valve system includes an inner carrier housing connectable to the inner carrier pipes. A valve controls flow of fluid through the inner carrier housing. An outer containment housing surrounds the inner carrier housing and surrounds the valve. The outer containment housing connects to the outer containment pipes. The outer containment housing provides sealable access to the valve.

REFERENCES:
patent: 1371632 (1921-03-01), Latimer
patent: 1383680 (1921-07-01), Waldorf
patent: 2031849 (1930-05-01), O'Leary
patent: 2613166 (1952-10-01), Gronemeyer
patent: 4508139 (1985-04-01), Teumer
patent: 4606368 (1986-08-01), McCafferty
patent: 4681133 (1987-07-01), Weston
patent: 4867201 (1989-09-01), Carter
patent: 4921003 (1990-05-01), Horvei
patent: 4976366 (1990-12-01), Russell
patent: 5129417 (1992-07-01), Dupont et al.
patent: 5143112 (1992-09-01), Scaramucci
patent: 5228472 (1993-07-01), Ougiya et al.

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