Pneumatic control valve with positioner

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Pneumatic control valve with positioner Feature

Pneumatic control valve control valve with positioner is a top guide structure regulating valve, the single seat pneumatic control valve fluid channel was streamlined S, the control valve pressure drop, flow is large, wide adjustable range, flow characteristic curve of high precision, the spool oriented area, good vibration resistance. The Pneumatic control valve with positioner equipped with multi spring diaphragm actuator, compact structure, large output force. Pneumatic control valve with positioner can be used for flow control of different pressure and temperature.
Pneumatic control valve with positioner principle

Pneumatic control valve Body type:	straight through casting globe type
Spool type:	non-balanced single seat plug type
Nominal size:	DN20~300,、 NPS 3/4〞~ 12〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
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
Pneumatic control valve Actuator:	Pneumatic: multi-spring diaphragm actuator, piston type actuator.

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