Valve assembly

Details Valve assembly Valve assembly

1977-10-07

1979-02-06

Weakley, Harold W.

Fluid handling

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

Cleaning or steam sterilizing

251144, 251172, 251298, F16K 336

Patent

active

041379357

ABSTRACT:
A valve assembly for closing and sealing an inlet which is full of large granular dry material including a dome-like valve member mounted for rotation to open or close the inlet and a deformable resilient sealing ring which may be inflated by gas pressure to engage the valve member in its closed position to produce a gas-tight seal across the valve member, the sealing ring being arranged within the valve assembly to minimize abrasive wear on the ring from the granular material.

REFERENCES:
patent: 1901961 (1933-03-01), Grant
patent: 3051189 (1962-08-01), Pro
patent: 3272474 (1966-09-01), Pro
patent: 3528448 (1970-09-01), Urban
patent: 3601511 (1971-08-01), Massenback
patent: 3638674 (1972-02-01), Forst
patent: 4074889 (1978-02-01), Engel

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