Valve with improved sealing structure

Details Valve with improved sealing structure Valve with improved sealing structure

1981-11-27

1985-01-01

Chambers, A. Michael

Valves and valve actuation

Valve

Materials

251306, F16K 122

Patent

active

044913001

ABSTRACT:
A valve including a cast or nodular iron body and a cast or nodular iron valve member having sealing surfaces which seal the fluid passage in the closed position of the valve member. At least one of the sealing surfaces in the closed position is formed by a bonded powder metal layer having high wear and corrosion resistant properties.

REFERENCES:
patent: 1649398 (1927-11-01), Fry
patent: 1824168 (1931-09-01), Orton
patent: 2396552 (1946-03-01), Cape
patent: 3325142 (1967-06-01), Thompson
patent: 3756560 (1973-09-01), Siepmann
patent: 3994319 (1976-11-01), Airhart

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