Multiport selector valve

Details Multiport selector valve Multiport selector valve

1992-11-30

1993-11-16

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251172, 251327, 251174, F16K 11065, F16K 2502, F16K 320

Patent

active

052614549

ABSTRACT:
A multiport selector valve incorporates a polished interface between a respective poppet of each port and a displaceable valve spool. A controlled gap exists between each poppet and its respective port fitting to pressurize a recess in which an O-ring is seated during operation of the valve. This results in the O-ring seal being urged against a confronting surface of the poppet which increases the contact force between optical surfaces of the poppet and the spool, particularly during periods of dynamic flow. The construction of the valve results in a unit of high reliability and useful life with attendant reduction of replacement costs.

REFERENCES:
patent: 3776276 (1973-12-01), Stiltner
patent: 4088152 (1978-05-01), Baugh
patent: 4572298 (1986-02-01), Weston
patent: 4579143 (1986-04-01), Rollins et al.

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