Valve manifold

Details Valve manifold Valve manifold

1986-02-19

1987-12-08

Chambers, A. Michael

Fluid handling

Systems

Multiple inlet with multiple outlet

137886, 73756, F16K 1122

Patent

active

047112689

ABSTRACT:
Instead of the usual three or five valves a valve manifold includes four valves, namely a pair of line block valves intersecting a longitudinally extending flow passage in the valve body for normally closing inlet passages, an equalizer valve between the line block valves intersecting the flow passage; below the equalizer valve is a vent passage and a vent valve in the vent passage. During operation the line block valves are open to promote the flow of process pressure to the measuring instrument and the equalizer valve is closed to prohibit the flow along the longitudinally extending flow passage. The vent valve is in the open position. By closing the line block valves with respect to the inlet passages, while leaving them open with respect to the flow and outlet passages, closing the vent valve and opening the equalizer valve permits the flow to be balanced between each side of the manifold. Upon opening the vent valve the manifold can be vented.

REFERENCES:
patent: 1991621 (1935-02-01), Noll
patent: 2441483 (1948-05-01), Goehring
patent: 2871881 (1959-02-01), Hewsar
patent: 3240230 (1966-03-01), Callahan, Jr. et al.
patent: 3596680 (1971-08-01), Adams
patent: 3633618 (1972-01-01), Blackmore et al.
patent: 4092865 (1978-06-01), Strybel
patent: 4193420 (1980-03-01), Hewsar
patent: 4466290 (1984-08-01), Frick
patent: 4602657 (1986-07-01), Anderson, Jr. et al.

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