Two way Pneumatic control valve

Two way Pneumatic control valve Product introduction

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

Two way pneumatic 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
Two way pneumatic 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.

Two way pneumatic 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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