Ball valve with spindle, having parallelepiped-bearing block joi

Details Ball valve with spindle, having parallelepiped-bearing block joi Ball valve with spindle, having parallelepiped-bearing block joi

1977-11-28

1979-11-13

Schwadron, Martin P.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

251 88, 251172, 251315, F16K 2500, F16K 506

Patent

active

041740904

ABSTRACT:
A high pressure ball valve, the ball valve being tiltable under pressure into tight sealing engagement with a sealing ring at the outlet of the valve body. A joint is formed between the spindle and the ball to allow the tilting action of the ball, while still providing low-torque turning of the spindle. A parallelepiped-shaped joint portion is formed on the bottom of the spindle and is loosely received between two bearing blocks on the ball valve so that small amount of loss motion is provided between the spindle and ball valve.

REFERENCES:
patent: 2456403 (1948-12-01), Goehring
patent: 2596409 (1952-05-01), Johnson et al.
patent: 2751185 (1956-06-01), Shand
patent: 3390861 (1968-07-01), Masheder
patent: 3414232 (1968-12-01), Hellman
patent: 3473554 (1969-10-01), King
patent: 3698687 (1972-10-01), Kitamura
patent: 3705707 (1972-12-01), Scaramucci

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