Valves and valve actuation – With selective flow regulation
Reexamination Certificate
2007-02-16
2009-12-01
Bastianelli, John (Department: 3753)
Valves and valve actuation
With selective flow regulation
C251S285000, C251S297000
Reexamination Certificate
active
07624963
ABSTRACT:
A valve with a flow adjustment device in the form of a valve stem travel limiter includes a collar having a passage therethrough to receive a valve stem having a projection, the collar further includes a plurality of grooves having different depths. The flow adjustment device may be assembled to a valve stem to permit a plurality of different predetermined valve stem travel limits corresponding to respective different maximum flow capacities of the valve.
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Bastianelli John
Fisher Controls International LLC
Habley, Flight & Zimmerman, LLC
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