Liquid sampling valve

Details Liquid sampling valve Liquid sampling valve

1986-01-16

1987-10-27

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

7386373, 7386412, 251355, G01N 120, F16K 2102, F16K 2300

Patent

active

047028890

ABSTRACT:
A liquid diluting and transfer valve has disc like valve elements provided with faces frictionally engaged. The valve further includes passageways for passing both sample liquid and rinse liquid and a continuous groove formed in one of the respective faces. This continuous groove effectively isolates the passageway openings to the faces and is capable of blocking passage of leakage material along the face to the periphery of the engaged face.

REFERENCES:
patent: 3885439 (1975-05-01), Stone
patent: 3964513 (1976-06-01), Molner
patent: 4152391 (1979-05-01), Cabrera
patent: 4445391 (1984-05-01), Cabrera
patent: 4458543 (1984-07-01), Mieth
patent: 4507977 (1985-04-01), Cabrera
patent: 4552167 (1985-11-01), Brakelmann
patent: 4562748 (1986-01-01), Mrochek et al.
patent: 4587219 (1986-05-01), Claren et al.

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