China Electric Steam temperature control valve factory and manufacturers

Electric Steam temperature control valve

Short Description:

Electric steam temperature control valve is composed of electric control valve, temperature controller and thermocouple, Electric steam temperature control valve can choose single seat or cage guided seat according to the work pressure, and different material is optional according to the working temperature,the electric temperature control valve adopts the top guide structure, compact structure, S streamlined fluid path, large flow, small pressure differential loss, wide adjustable range and accurate temperature control.

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Electric Steam temperature control valve Working principle

.Electric Steam temperature control valve material list

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 Steam temperature control valve Performance

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

Electric temperature control valve Type\ Method	Electric actuator
	DAL-30 series
	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 temperature control valve Accessories	Space heater (normal type) Non-standard accessories, need special customized notes.