Electronic water flow control valve

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Model：

Electronic water flow control valve Feature

Electronic water flow control valve adopts double sealing surface spool structure,applicable for low leakage requirement;Electronic water flow control valve adopts pressure-balanced spool structure, large allowed pressure differential, low noise&steady and reliable actuation;Electronic electric actuator of Electronic water flow control valve with servo system, no need the servo amplifier, can work when supplying power and input signal, with small sensitivity to temperature.

Electronic control valve body type:	straight through casting globe type
Spool type:	balanced cage guided sleeve ype
Nominal size:	DN25~300,、 NPS 1〞~ 12〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
Electronic 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 of control valve:	Electric: 3810L series smart actuator, PSL series 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,>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

Electronic water flow control valve Flow characteristic	Linear, percentage, quick open
Allowable range	50: 1
Rated Cv value	Percentage CV10~1400 ，linear CV11~1500
Allowable leakage	Metal seal:Ⅱgrade（0.5% rated capacity） Soft seal: V grade Leakage standard: GB/T 4213
Electronic water 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

Electrionic Control Valve Type\ Method	Electric actuator
	3810L series (R type)
	Intelligent integrated type
Usage	Regulating
Air supply pressure or Power supply voltage	Power: AC 220V±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℃
Electronic water flow Control Valve Accessories	Space heater (normal type) Non-standard accessories, need special customized notes.

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