Angle dual check valve

Details Angle dual check valve Angle dual check valve

1992-07-09

1993-05-04

Rivell, John

Fluid handling

Removable valve head and seat unit

Retained by bonnet or closure

137512, 13754315, F16K 1502

Patent

active

052072428

ABSTRACT:
An angled check valve has a valve housing with an inlet for admitting fluid flow into the housing in a first direction and an outlet for discharging fluid flow from the housing in a second direction. The first direction and the second direction are generally perpendicular. An inlet check assembly in the housing has a valve member movable in the first direction for preventing fluid flow from exiting the housing through the inlet. An outlet check assembly in the housing has a valve member movable in the second direction for preventing fluid flow from entering the housing through the outlet. In order to facilitate assembly and service of the check valve, the housing has an opening extending in the second direction through which the inlet check assembly and the outlet check assembly can be assembled into and removed from the housing.

REFERENCES:
patent: 538831 (1895-05-01), Heintzelman
patent: 562267 (1896-06-01), Albin
patent: 1512597 (1924-10-01), Harmon
patent: 1861396 (1932-05-01), Isbell
patent: 1871969 (1932-08-01), Elsey
patent: 1960963 (1934-05-01), Wheeler et al.
patent: 2023189 (1935-12-01), Armstrong
patent: 2845085 (1958-07-01), Robbins
patent: 4232704 (1980-11-01), Becker et al.
patent: 4893654 (1990-01-01), Feuz
patent: 5080122 (1992-01-01), Neuzeret

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