Tide gate valve

Details Tide gate valve Tide gate valve

1982-06-01

1985-01-08

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Direct response valves

F16K 1514

Patent

active

044922531

ABSTRACT:
A tide gate check valve in which at least three converging sides are provided at a tapered region of a flexible sleeve, so that on reverse back pressure build-up of fluid, reverse fluid flow is prevented, while the valve sleeve does not invert or collapse. The present configuration features embedded reinforcing elements for resisting inversion or collapsing when the back pressure builds up. This feature is especially important for large-sized conduits of 36" or 72" diameter, or even larger, such as are common in storm sewer applications.

REFERENCES:
patent: 4030142 (1977-06-01), Wolfe
patent: 4071038 (1978-01-01), Robinson
patent: 4135550 (1979-01-01), Andersson
patent: 4139124 (1979-02-01), Ferrante
patent: 4222126 (1980-09-01), Boretos et al.

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