Fluid handling – With repair – tapping – assembly – or disassembly means – With disassembly tool engaging feature
Patent
1983-09-28
1988-01-05
Nilson, Robert G.
Fluid handling
With repair, tapping, assembly, or disassembly means
With disassembly tool engaging feature
13732904, 13754323, 251362, 251363, 417454, F16K 1506
Patent
active
047169249
ABSTRACT:
A replaceable discharge valve assembly for a high pressure reciprocating plunger pump including a generally tubular valve seat member having respective cylindrical portions insertable in cooperating valve chamber portions formed in the pump cylinder block. The seat member receives a reciprocating valve closure member having a plurality of radially projecting guide ribs and a closure member disc portion. The seat member and closure member are retained in the cylinder block valve chamber by a cover member which is threaded and includes a cylindrical portion of a third diameter engageable with the valve seat member for holding the valve seat member in the valve chamber. Two stepped bores in the valve chamber on opposite sides of a discharge port are cooperable with cylindrical portions of the seat member and the valve cover and with associated seal rings to provide a fluid-tight seal to prevent leakage of fluid between the discharge port and the pump cylinder bore and between the discharge port and the exterior of the cylinder block.
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Nilson Robert G.
Partek Corporation of Houston
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