Valves and valve actuation – Mechanical movement actuator – Particularly packed or sealed
Patent
1993-07-06
1996-08-27
Walton, George L.
Valves and valve actuation
Mechanical movement actuator
Particularly packed or sealed
277105, 277124, 277125, 277DIG6, F16K 4104
Patent
active
055492762
ABSTRACT:
Valves having a stem packing of alternating layers of perfluoroelastomer and high temperature polymer provide outstanding sealing performance against corrosive fluids and high temperatures.
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Pittman Gary M.
Senior Kenneth A.
Strunk John N.
Thondukolam Krishnan R.
Bromels M. H.
E. I. Du Pont de Nemours and Company
Walton George L.
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