Valve stem and method of manufacture

Details Valve stem and method of manufacture Valve stem and method of manufacture

1998-03-02

2000-05-30

Walton, George L.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

295272, 29890123, 29890131, 251214, 251368, 427287, F16K 4300, F16K 4104

Patent

active

060680180

ABSTRACT:
A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths.

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