Valve box manifold system and distribution method

Details Valve box manifold system and distribution method Valve box manifold system and distribution method

1998-11-24

2000-02-22

Walczak, David J.

Fluid handling

With leakage or drip collecting

137386, 137551, E03B 100

Patent

active

060268433

ABSTRACT:
A valve manifold box system and method in which one or more dispense units dispense chemical to a plurality points of use. A fluid circuit is provided with valve manifolds connected in series by double walled conduits known as containment pipes. The fluid circuit is either in the form of a loop of a series of valve manifolds alternating with double walled piping so that each valve manifold is fed with chemical at opposite ends. Alternately, two dispense units could be connected to the end of an in-line type of fluid circuit. The valve manifolds are contained within valve boxes and the ends of the containment pipes are connected to the valve boxes. In this manner a leak in either the valve manifolds or the containment pipes collects within the valve boxes. Leak detectors are provided in the valve boxes and upon the sensing of a leak, the potentially leaking valve manifold as well as the associated, adjacent containment pipes feeding such valve manifold are isolated by isolation valves. In this manner, the remaining valve manifolds and hence, the points of use are above to continually be fed with chemical while the problem is investigated.

REFERENCES:
patent: 4989634 (1991-02-01), Rieseck
patent: 5519638 (1996-05-01), Tiao
patent: 5546977 (1996-08-01), Chaney
patent: 5555907 (1996-09-01), Philipp

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