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SHANGHAI HUIXUAN VALVE

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

Electric modulating control valve

Model：

Port size：DN15-DN300
Pressure：PN10-PN64 CL150-CL600
Medium：Water,steam,oil,etc.
Temperature :-40～450℃
Body material：WCB,WCC,WC6,WC9,CF8,CF8M,etc.
Connection：Flange
Position type：Modulating tyoe
Characteristic：Linear,Equal percentage,quick open
Voltage：AC220V AC380V
Other：Other voltage is optional

Electric modulating control valve Feature

01.Electric modulating control valve is used for water, steam,gas, oil medium and for flow/pressure/temperature/level control ,Electric modulating control valveadopts the top guide structure, compact structure, S streamlined fluid path, large flow, small pressure differential loss, wide adjustable range and accurate flow control.

02.Large guide area in Electric modulating control valve spool guiding part, characterized with excellent anti-vibration performance

03.The intelligent control module of Electric modulating control valve is built into the electric actuator,without external positioner

Electric modulating control valve Specification

Electric modulating 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 modulating 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 modulating control valve structure

Electric modulating 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 modulating control valve Performance

Electric modulating 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 modularing control valve Allowable leakage	Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Electric modulating 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

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