All plastic valve construction

Details All plastic valve construction All plastic valve construction

1975-12-03

1976-07-06

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251182, 251288, F16K 2500

Patent

active

039678113

ABSTRACT:
An all plastic valve construction wherein a removable cartridge contains all wearable seal surfaces. A hollow valve body member is threadedly received in an underbody member and provided with a plurality of separate and distinct sealing locations. The underbody member includes an annular support seat for supporting a plastic stem member in a position only slightly below its assembled position to facilitate the assembly of the stem with a handle for turning same. Two different embodiments are included for stop means which limit the amount of rotation of the stem member relative to the hollow valve body member.

REFERENCES:
patent: 2165096 (1939-07-01), Frechette
patent: 3032066 (1962-05-01), Smith
patent: 3788601 (1974-01-01), Schmitt
patent: 3789870 (1974-02-01), Keller
patent: 3814120 (1974-06-01), Moen

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