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Pneumatic actuated globe control valve

Pneumatic actuated globe control valvePneumatic actuated globe control valve
Pneumatic actuated globe control valve

Pneumatic actuated globe control valve Product introduction

 Pneumatic actuated globe control valve straight through casting globe type body,unbalanced single seat or balanced cage guided seat structure, pneumatic actuated globe control valveapplicable for low leakage requirement;Pneumatic actuated globe control valve adopts pressure-balanced spool structure, allowed large pressure differential, low noise and steady and reliable actuation;Actuator of Pneumatic actuated globe control valve adopts  multi-spring circular equal layout, using high strength rubber diaphragm actuation parts,with small structure and large output force.
 

Pneumatic actuated globe control valve feature:
Body type straight through casting globe type
Spool type: balanced cage guided sleeve type
Nominal size: DN15~600,、 NPS 1/2〞~ 24〞
Nominal pressure: PN16 ~ 100、 CLASS 150LB ~ 900LB
Connection: flange: FF、RF、MF、RTJ
Welding: SW、BW
Flange dimension: According to to IEC 60534
Pneumatic actuated globe control valve
Bonnet type:
Ⅰ:standard type(-20℃~230℃)
Ⅱ:Radiator type: (-45℃~ high than 230℃ occasion)
Ⅲ:Low temperature extended type(-196℃~ -45℃)
Ⅳ:Bellow seal type
Ⅴ:Warm insulation Jacket type
Packing: V type PFTE packing, flex. graphite packing, etc.
Gasket: Metal graphite packing
Actuator: Pneumatic: multi-spring diaphragm actuator, piston type actuator.

Pneumatic actuated globe control valve material:
Component name Control Valve Material
Body/Bonnet WCB/WCC/WC6/CF8/CF8M/CF3M
Valve spool/Seat 304/316/316L(overlaying stellite alloy)
Packing Normal:-196~150℃ is PTFE,RTFE,>230℃ is flexible graphite
Gasket Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Diaphragm Cover Normal:Q235,Special:304
Diaphragm NBR with reinforced polyester fabric
Spring Normal:60Si2Mn,Special:50CrVa
Control valve stem 2Cr13/17-4PH/304/316/316L


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