Rotating union with replaceable sealing assembly

Details Rotating union with replaceable sealing assembly Rotating union with replaceable sealing assembly

1987-02-06

1989-04-04

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

Swivel with flange in socket

285 14, 285 93, 285276, 285375, F16L 2700

Patent

active

048179957

ABSTRACT:
A rotating union including a seal assembly having a rotating seal member removably mounted in the rotor, a non-rotating floating seal member mounted in the housing of the union and keyed thereto to prevent rotation within the housing, and a bias assembly maintaining seal surfaces of the two seal members in engagement. In one embodiment, the combination of materials for the seal members provides a silicon carbide to carbon graphite seal.

REFERENCES:
patent: 2653041 (1953-09-01), Wilson
patent: 2723136 (1955-11-01), Deubler
patent: 3002769 (1961-10-01), Deubler et al.
patent: 3405959 (1968-10-01), Walker
patent: 3889983 (1975-06-01), Freize et al.
patent: 4296952 (1981-10-01), McCracken
patent: 4632431 (1986-12-01), McCracken

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