Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator
Patent
1985-01-23
1986-11-25
Scott, Samuel
Valves and valve actuation
Fluid actuated or retarded
Flexible wall expansible chamber reciprocating valve actuator
137556, 13762528, 251 45, 251 46, 251331, F16K 31126
Patent
active
046244425
ABSTRACT:
A rolling diaphragm regulator valve is affixed in a globe type valve body and includes a non-stretchable fabric reinforced liner for covering and uncovering, by rolling action in response to changes in pressure in a control chamber, a plurality of slots in a baffle positioned between the valve body inlet and outlet. An axially movable spring-biased nose cone, mounted behind the diaphragm, provides a surface over which the diaphragm is draped for controlling substantially all movement of the diaphragm. A travel indicator is operable by movement of the nose cone to provide a visual indication of the position of the valve.
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Reference: Reg-U-Liner Control Valve General Bulletin, Sprague Meter Division of Textron Inc., 5/79.
Bonzer William J.
Duffy John W.
Scott Gary L.
Sickels Dennis G.
Zeigler Ralph W.
Camasto Nicholas A.
Flanigan Allen J.
Kubly Dale A.
Scott Samuel
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