Rod out valve

Details Rod out valve Rod out valve

1978-02-16

1980-03-11

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

73205R, 73756, 251293, 251330, G01F 1512, B08B 902, F16K 3146

Patent

active

041923421

ABSTRACT:
A valve connects the duct leading from a process pipe to a flow transmitter, pressure gauge or sampling analyzer. The valve stem of the valve is hollow and aligned with the duct through the connection to process fluid. A cleaning rod is telescoped within the hollow stem so that it may be forced through the duct to clean debris from the duct. Also the valve handle has capstan holes therein for mechanical advantage. Furthermore, a bonnet valve seat is used so that the bonnet packing may be removed while the equipment is pressurized.

REFERENCES:
patent: 232724 (1880-09-01), Jenkins
patent: 796111 (1905-08-01), Canfield
patent: 837035 (1906-11-01), Butler
patent: 1426272 (1922-08-01), Banks
patent: 1467492 (1923-09-01), Olson
patent: 2732855 (1956-01-01), Hobbs

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