Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1981-07-27
1983-08-23
Schwadron, Martin P.
Fluid handling
Systems
Flow path with serial valves and/or closures
137240, 251DIG1, 251332, F16K 100
Patent
active
043998372
ABSTRACT:
A baghouse valve construction including an annular valve seat member and valve member adapted to cooperate with the same in assuming open and closed relative positions. The valve seat having a pair of annular, radially spaced resilient seal members and at least one generally rigid seal member. Retainers secure the resilient seal members in relative spaced position. The valve seat may have two generally rigid seal members. One generally rigid seal member may be adjustable relative to the position of the valve element. In a preferred form, the resilient seal members have a core composed of a first material and a tubular outer member composed of a second material.
REFERENCES:
patent: 2859061 (1958-11-01), Reid
patent: 3092133 (1963-06-01), Clark
patent: 3829062 (1974-08-01), Fend
patent: 3898062 (1975-08-01), Slakey
patent: 3945400 (1976-03-01), Slakey
patent: 3963467 (1976-06-01), Rolschau
patent: 3975173 (1976-08-01), Peterson et al.
patent: 4113449 (1978-09-01), Bundy
patent: 4239061 (1980-12-01), Peterson
Joy Manufacturing Company
Levine E. Lawrence
Schwadron Martin P.
Shay J. R.
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