Sealing liner with incorporated reaction ring, more particularly

Details Sealing liner with incorporated reaction ring, more particularly Sealing liner with incorporated reaction ring, more particularly

1990-01-10

1993-01-12

Fox, John C.

Valves and valve actuation

Rotary valves

Butterfly

251174, F16K 122

Patent

active

051783649

ABSTRACT:
A sealing liner is provided with incorporated reaction ring, including two circular substantially concentric sealing elements, namely: a static sealing element and a dynamic sealing element these two elements being connected together by a sealed membrane. The dynamic sealing element has an annular housing containing a resilient deformable bed against which a reaction ring is held applied.

REFERENCES:
patent: 4194749 (1980-03-01), Bonafous
patent: 4247079 (1981-01-01), Friess

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