Electric flow control valve - Electric control valve - Control valve-Pneumatic electric pressure flow temperature water control valve manufacturer

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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email：info@shxvalve.com

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

Electric flow control valve

Model：

Port size：DN25~300, NPS 1〞~ 12〞
Pressure：PN16 ~ 100,150LB ~ 600LB
Medium：Water,liquid
Temperature :-20～120℃
Body material：WCB LCB CF8 CF3 CF8M CF3M
Description：

Electric flow control valve Feature

1.Electric flow control valve is used for flow control system,electric flow control valve adopts the top guide structure, compact structure, S streamlined fluid path, large flow, small pressure differential loss, wide adjustable range and accurate flow control.

2.Electric flow control valve is single seat design for low pressure differnece , cage guided design for high pressure difference, spool guiding part, characterized with excellent anti-vibration performance

3.The intelligent control module of electric flow control valve is built into the electric actuator,without external positioner

Electric flow control valve Specification

Electric control valve Body type:	straight through casting globe type
Spool type:	non-balanced single seat plug type
Nominal size:	DN20~200,、 NPS 3/4〞~ 8〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
Electric flow 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:	Electric: 3810L series smart actuator, PSL series actuator.

Electric flow 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
Bellows	304/316/316L
Gasket	Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Control valve stem	2Cr13/17-4PH/304/316/316L

Electric flow control valve Performance

Electric 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
Electric control valve Allowable leakage	Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Electric flow control valve Performance
Intrinsic error (%)	±1.0
Return difference(%)	≤1.0
Dead zone(%)	≤1.0
Difference from beginning to end point(%)	±2.5
Rated travel difference(%)	≤2.5

Electric flow control valve actuator parameter

Electric control valve Type\ Method	Electric actuator
	PSL series, 3801 series is optional
	Intelligent integrated type
Usage	Regulating
Air supply pressure or Power supply voltage	Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz
Connector	Normal type: cable inlet 2-PF(G1/2〞) Explosive proof: Protection jacket PF(G3/4〞)
Direct action	Input signal increase, stem descend, valve close.
Reaction	Input signal increase, stem ascend, valve open.
Input signal	Input/output4～20mA.DC
Lag	≤0.8%FS
Linear type	≤+1%FS
Environmental temperature	Standard type: -10℃～+60℃ With space heater : -35℃～+60℃ Explosive proof: -10℃～+40℃
Electric control valve Accessories	Space heater (normal type) Non-standard accessories, need special customized notes.

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