Control valve factory and supplier

Control valve factory and supplier Product introduction

　China control valve factory and supplier, electric and pneumatic control valve manufacturer for carbon steel and stainless steel electric actuated control valve, pneumatic actuated control valve and self actuated control valve. China control valve adopts carbon steel or stainless steel body, which is double sealing surface spool structure, control valve applicable for low leakage requirement; China control valve adopts pressure-balanced spool structure, allowed large pressure differential, low noise and steady and reliable actuation;Actuator of control valve adopts multi-spring circular equal layout, using high strength rubber diaphragm actuation parts,with small structure and large output force.

China 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
Stainles steel 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.

China control valve material:

Component name	Control Valve Material
Body/Bonnet	WCB/WCC/WC6/WC9CF8/CF8M/CF3M or other material
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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