Rotary gate valve arrangement

Details Rotary gate valve arrangement Rotary gate valve arrangement

1989-02-03

1990-06-26

Rivell, John

Valves and valve actuation

Rotary valves

Seat or interface seal

251362, F16K 504

Patent

active

049365487

ABSTRACT:
The invention relates to a rotary gate valve arrangement with a gate valve housing, a rotatably mounted gate valve rotor arranged therein at right angles to the material flow direction and having a part-cylindrical sliding part which co-operates with a sealing arrangement containing a cassette-like rectangular sealing frame with a sealing element running around it, the sealing frame being received in the receiving channel formed in the housing in such a way that through flow of material is unimpeded and the sealing frame can be simply and quickly inserted and withdrawn without the removal of essential parts of the rotary gate valve.

REFERENCES:
patent: 3233865 (1966-02-01), Panzica et al.
patent: 3412975 (1968-11-01), Kurkjian
patent: 4150811 (1979-04-01), Condit
patent: 4180244 (1979-12-01), Rosenitsch
patent: 4474205 (1984-10-01), Dreyer et al.
patent: 4491144 (1985-01-01), Dreyer et al.
patent: 4527773 (1985-07-01), Muller et al.
patent: 4660805 (1987-04-01), Hahn et al.
patent: 4697786 (1987-10-01), Kennedy

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