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公开(公告)号：US3580286A
公开(公告)日：1971-05-25
申请号：US3580286D
申请日：1969-04-04
Applicant: STEWART WARNER CORP
Inventor： BASH SIDNEY D
CPC classification number: F16K11/0716 , F15B13/04 , Y10T137/86702
Abstract: A unitary sleeve member formed of a nylon-molybdenum disulfide composition is fixedly carried in concentric fashion intermediate of the valve casing and a reciprocating valve spool and in contact with the peripheral surface of the valve spool.
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