2 Way Pneumatic Pressure Control Valve

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Wechat:17717520739
Email：info@shxvalve.com

Address: NO.720, Suide Road, Jiading District,Shanghai, China.

Model：

2 Way Pneumatic Pressure Control Valve Feature

2 Way Pneumatic Pressure Control Valve adopts top guide structure, small size, light weight,compact design, competitive price;S streamline hydrodynamic fluid path, small pressure differential loss, large flow;2 Way Pneumatic Pressure Control Valve is compact structure, wide adjustable range, high accuracy of flow control;Large guide area for valve spool, with excellent anti vibration feature;Pneumatic control valve is equipped with multi-spring diaphragm actuator, with small size &large output force feature;2 Way Pneumatic Pressure Control Valve is applicable for high temp, low temp & small pressure differential of front-after valve with requirement of high closure performance and reliability.

Pneumatic control valve Body type:	straight through casting globe type
Spool type:	non-balanced single seat plug type
Nominal size:	NPS 1/2〞~ 12〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
2 Way Pneumatic Pressure Control ValveBonnet 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.

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

2 Way Pneumatic Pressure Control Valve Flow characteristic	Linear, percentage, quick open
Allowable range	50: 1 (CV<6.3 30: 1)
Rated Cv value	Percentage CV1.6~630 ，linear CV1.8~690
Pneumatic control valve Allowable leakage	Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
2 Way Pneumatic Pressure Control Valve Performance
Intrinsic error %		±1.5
Return difference, %		≤1.5
Dead zone, %		≤0.6
Difference from beginning to end point, %		±2.5
Rated travel difference, %		≤2.5

Control Valve Type\ Method	Pneumatic diaphragm actuator
	ZH23～ZH56
	Multi-spring type
Usage	Regulating type, ON-OFF type
Air supply pressure or Power supply voltage	Air supply pressure (Spring range) 140（20～100）Kpa G 240 (40～200) Kpa G 280 (80～240) Kpa G
Connector	Air pipe connector: RC1/4
Direct action	Pressure increase, stem descend, valve close.
Reaction	Pressure increase, stem ascend, valve open.
Input signal	40～20mA.DC（with positioner）
Lag	≤1%FS（with positioner）
Linear type	2%FS（with positioner）
Environmental temperature	-10℃～+70℃
Pneumatic control valve Accessories	E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch Non-standard accessories, need special customized notes.

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