Tel:+86-17717520739
Email:info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Model:
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 stainless steel 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. |
Component name | Control Valve Material |
Body/Bonnet | CF8/CF8M/CF3M or other material is optional |
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 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 |
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Electric stainless steel 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 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℃ |
Elecctric control valve Accessories | Space heater (normal type) Non-standard accessories, need special customized notes. |
Seat diameter(mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ||
Rated Cv | Percentage | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | |
Linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | ||
Nom. size | Travel | Option flow characteristic Cv. (★standard ●recommanded ○customized) | ||||||||||||||
DN20 | 16mm | ● | ● | ● | ★ | |||||||||||
DN25 | ● | ● | ● | ● | ★ | |||||||||||
DN32 | 25 mm | ○ | ○ | ○ | ○ | ○ | ★ | |||||||||
DN40 | ○ | ○ | ○ | ○ | ● | ★ | ||||||||||
DN50 | ○ | ○ | ○ | ● | ● | ★ | ||||||||||
DN65 | 40mm | ○ | ○ | ○ | ★ | |||||||||||
DN80 | ○ | ○ | ○ | ● | ★ | |||||||||||
DN100 | ○ | ○ | ○ | ● | ● | ★ | ||||||||||
DN125 | 60mm | ○ | ○ | ○ | ★ | |||||||||||
DN150 | ○ | ○ | ● | ★ | ||||||||||||
DN200 | ○ | ○ | ● | ● | ★ | |||||||||||
Electric actuator | Electric stainless steel control valve Metal sealing max. allowable pressure difference (MPa) |
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Type | Thrust(N) | |||||||||||||||
3810L-08 | 800 | 6.4 | 5.5 | 3.5 | 2.38 | |||||||||||
3810L-20 | 2000 | 6.4 | 6.4 | 6.4 | 4.77 | 3.05 | 1.86 | 1.19 | 0.76 | |||||||
3810L-30 | 3000 | 2.79 | 1.79 | 1.14 | ||||||||||||
3810L-50 | 5000 | 4.66 | 2.98 | 1.91 | 1.13 | 0.6 | 0.47 | |||||||||
3810L-65 | 6500 | 1.35 | 0.8 | 0.57 | 0.39 | 0.26 | 0.16 | |||||||||
3810L-99 | 10000 | 0.61 | 0.42 | 0.20 | ||||||||||||
3810L-160 | 16000 | 0.97 | 0.67 | 0.35 |