Fluid handling – With indicator – register – recorder – alarm or inspection means – Inspection means
Patent
1991-04-03
1992-02-25
Cohan, Alan
Fluid handling
With indicator, register, recorder, alarm or inspection means
Inspection means
251315, F16K 322
Patent
active
050904477
ABSTRACT:
A thermoplastic valve assembly for use in controlling the flow of corrosive fluids comprising a transparent housing having a passageway through which fluid may flow, a transparent ball disposed in the passageway for rotation between an open position and a closed position, and transparent connector means for connecting the valve housing to a pipeline thereby enabling an operator to visually detect alignment of the ball, turbulence in the through passageway and wear and corrosion of the valve components.
REFERENCES:
patent: 3257094 (1966-06-01), Vischer
patent: 3916948 (1975-11-01), Benjamin
patent: 3960166 (1976-06-01), Linser
patent: 4207923 (1980-06-01), Giurtino
patent: 4210174 (1980-07-01), Eross
patent: 4449694 (1984-05-01), Hobart
patent: 4556194 (1985-12-01), van Lingen
patent: 4982760 (1991-01-01), Mustaklem
Lewis Leslie B.
Robinson Timothy
Asahi/America Inc.
Casella Anthony J.
Cohan Alan
Hespos Gerald E.
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