Valve with resilient tubes having constricted portions

Details Valve with resilient tubes having constricted portions Valve with resilient tubes having constricted portions

1985-08-12

1986-08-26

Walton, G. L.

Fluid handling

Removable valve head and seat unit

1374546, 137606, 137636, 1376364, 137801, 251 4, 251 8, F16K 4300, F16K 1118, F16K 31524

Patent

active

046076590

ABSTRACT:
The valve has flexible resilient tubes which respectively communicate with the fluid supply conduits and which are pinched by control members to control fluid flow. Each tube has a reduced-diameter center or neck portion intermediate its ends which is engaged by the control member. The internal cross section of the neck portion is circular when relaxed and when pinched closed does not require any greater cross-sectional space than do the tube ends. Single-control and dual-control embodiments are disclosed. In the dual-control embodiment the two tubes are carried in a single cartridge assembly which is removable as a unit.

REFERENCES:
patent: 3436054 (1969-04-01), Cole et al.

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