China OEM Customized Electric Water Heater Control Valve - 4~20mA Sleeve type high pressure electric control valve – Hoyee factory and manufacturers

OEM Customized Electric Water Heater Control Valve - 4~20mA Sleeve type high pressure electric control valve – Hoyee

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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of 2 Inch Electric Actuated Ball Valve, Motorized Pressure Control Valve, Put Down Feed Valve, Since establishment within the early 1990s, now we have arrange our sale network in USA, Germany, Asia, and several Middle Eastern countries. We intention to get a top class supplier for worldwide OEM and aftermarket!

OEM Customized Electric Water Heater Control Valve - 4~20mA Sleeve type high pressure electric control valve – Hoyee Detail:

4~20mA Sleeve type high pressure electric control valve specification

Electric control valve Body type:	straight through casting globe type
Spool type:	balanced sleeve plug type
Nominal size:	DN25~400,、 NPS 1〞~ 16〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
ZAZM Sleeve electric 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: DZK series actuator.

4~20mA Sleeve type high pressure electric 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

4~20mA Sleeve type high pressure electric control valve performance

Electric control valve Flow characteristic	Linear, Equal 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
ZAZM Sleeve electric 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

4~20mA Sleeve type high pressure electric control valve special requirement

Special test	Material penetration flaw detection (PT), radiator test (RT), flow characteristic test, low temperature test.
Special treatment	Trim nitrogen treatment, seat hard alloy treatment.
Special rinse	Degreasing and dehydration treatment
Special condition	Special piping or connection, vacuum condition, S.S fastener, special coating.
Special dimension	Customized face to face length or dimension
Test and inspection	Third party test report

4~20mA Sleeve type high pressure electric control valve actuator Parameter

Electric control valve Type Method	Electric actuator
	3810L 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 control valve Accessories	Space heater (normal type) Non-standard accessories, need special customized notes.

4~20mA Sleeve type high pressure electric control valve parameter

Nominal diameterDN

100

125

150

200

250

300

350

400

Rated flow coefficient Kv

11/10

27/25

44/40

69/63

110/100

176/160

275/250

440/400

690/630

940/850

1200/1050

1400/1225

1600/1400

Nominal pressurePN MPa

1.6 4 6.4

match DKZ actuator

DKZ-4200

DKZ-4300

DKZ-5400

DKZ-5500

DKZ-5600

match Cepai actuator

A+Z64

A+Z160

Rated travel mm

100

Flow characteristic

Equal percentage linear

Action mode

Input signal increase, valve close or opposite

Temperature range

Normal temperature:-20～200℃ thermal Fin type:-60～450℃

Note: Large size single-seat control valve can be customized according to user requirement

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