Fluid handling – With casing – support – protector or static constructional... – Jacketed
Patent
1977-08-22
1979-03-27
Michalsky, Gerald A.
Fluid handling
With casing, support, protector or static constructional...
Jacketed
251145, 251210, 251225, 251285, F16K 104, F16K 2500
Patent
active
041460502
ABSTRACT:
A valve body for insertion in a fluid line having a sampling passageway extending from the interior to the exterior of the body for sampling from or injecting ingredients into the fluid line. A first annular tapered valve seat in the passageway and a second tubular valve seat in the passageway axially aligned with the first valve seat. A valve stem moves toward and away from said valve seats and includes a first tapered valve element adapted to seat on the first seat and a second cylindrical valve element adapted to seat on the second seat. Means rotatably move the valve stem towards and away from the valve seat for wiping the sealing areas upon closing. A plastic lining covers all of the interior areas of the valve that are exposed to contact with fluid flowing through the valve. The end of the stem moves to a position generally tangent to the internal diameter of the valve body for preventing material buildup in the passageway.
REFERENCES:
patent: 1406748 (1922-02-01), Massip
patent: 2202735 (1940-05-01), Johnson
patent: 2980392 (1961-04-01), Greenwood
patent: 3237638 (1966-03-01), Rothenberg
patent: 3253612 (1966-05-01), Curatola et al.
patent: 3420262 (1969-01-01), O'Neill
patent: 3474820 (1969-10-01), O'Neill
patent: 3498319 (1970-03-01), Schnabel
Michalsky Gerald A.
Peabody Dore' Corporation
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