Drain through ball valve

Details Drain through ball valve Drain through ball valve

1988-08-04

1989-07-11

Michalsky, Gerald A.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

13762532, 251209, 251312, 251315, F16K 506

Patent

active

048462136

ABSTRACT:
A fluid control valve with a rotatable shaft and a ball valve mounted within a flow bore. The ball has one or more V-shaped grooves for controlling fluid flow. In the closed position the ball and walls of the flow bore are in a continuous line sealing contact. The valve may be mounted and opened to enable complete drainage of fluid in the connecting pipeline which is an advantage in sanitary applications. The ball and shaft are part of a removable bonnet assembly with the ball inserted into the flow bore through an aperture in the valve body. A one-piece seal in the aperture provides a static seal between the valve body and bonnet and a dynamic shaft seal.

REFERENCES:
patent: 2510514 (1950-06-01), Mueller
patent: 2712454 (1955-07-01), Love
patent: 3052445 (1962-09-01), Kessler
patent: 3275025 (1966-09-01), Kowalski
patent: 3354904 (1967-11-01), Federle et al.
patent: 3403887 (1968-10-01), Myers
patent: 3536296 (1970-10-01), Burris
patent: 3773291 (1973-11-01), Grauer
patent: 3779511 (1973-12-01), Wenglar
patent: 3883113 (1975-05-01), Kolb
patent: 4103868 (1978-08-01), Thompson
patent: 4140149 (1979-02-01), Laignel et al.
patent: 4342444 (1982-08-01), Sonderman
patent: 4465259 (1984-08-01), Allen et al.
patent: 4696323 (1987-09-01), Iff

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