Pneumatic Mini-Flow Control Valve
Electric Mini-Flow Control Valve
Specification
Body type: | straight through casting globe type |
---|---|
Spool type: | non-balanced single-seat plug type |
Nominal size: | DN15, 20, 25, NPS 1/2〞~ 1〞 |
Nominal pressure: | PN16 ~ 100 CLASS 150LB ~ 600LB |
Connection: flange: | FF、RF、MF、RTJ |
Welding: | SW、BW |
Flange dimension: | acc. to IEC 60534 |
Bonnet type: | (-45℃~ higher than 230℃ occasion) Low temperature extended type(-196℃~ -45℃) Bellow seal type Warm insulation Jacket type |
Packing: | V type PFTE packing, flex. graphite packing, etc. |
Gasket: | Metal graphite packing |
Actuator: | pneumatic: multi-spring diaphragm actuator, piston type actuator. electric: 3810L series smart actuator, PSL series actuator. |
Surface painting: | Green color, acrylic acid polyurethane ceramic paint. |
CODE
Z | Actuator | H | Structure | Nominal pressure | Body material | Nominal size |
---|---|---|---|---|---|---|
Z series control valve | J: pneumatic diaphragm H: pneumatic piston R: electric 3810L D: electric PSL | Direct travel | W: standard min-flow WG: single seat with radiator WV: single seat with bellow seal WD: low-temperature single seat | PN16=16 CL150LB= 150 LB JIS10K=10K | C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D= special material | DN25= DN25 NPS1= NPS1〞 |
Such as: Z type pneumatic diaphragm min-flow control valve, pressure PN16,valve material WCB,nominal size DN50,type: ZJHW-16C DN50 |
Flow characteristic | Linear, percentage, quick open |
---|---|
Allowable range | 30: 1 |
Rated Cv value | CV 0.01~1.0 |
Allowable leakage | Metal seal: IV grade(0.01% rated capacity) Leakage standard: GB/T 4213 |
Type/Method | Pneumatic diaphragm actuator | Electric actuator |
---|---|---|
ZH23~ZH56 | 3810L series | |
Multi-spring type | Intelligent integrated type | |
Usage | Regulating type, an ON-OFF type | Regulating |
Air supply pressure or Power supply voltage | Air supply pressure (Spring range) 140(20~100)Kpa G 240 (40~200) Kpa G 280 (80~240) Kpa G |
Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz |
Connector | Air pipe connector: RC1/4 | Normal type: cable inlet 2-PF(G1/2〞) Explosive proof type: can install protection jacket PF(G3/4〞) |
Positive action | Pressure increase, stem descend, valve close. | Input signal increase, stem descend, valve close. |
Negative action | Pressure increase, stem ascend, valve open. | Input signal increase, stem ascend, valve open. |
Input signal | 40~20mA.DC(with positioner) | Input/output4~20mA.DC |
Lag | ≤1%FS(with positioner) | ≤0.8%FS |
Linear type | 2%FS(with positioner) | ≤+1%FS |
Environmental temperature | -10℃~+70℃ | Standard type: -10℃~+60℃ With space heater: -35℃~+60℃ Explosive proof: -10℃~+40℃ |
Surface coating | Green, acrylic acid polyurethane ceramic coating | Blue, acrylic acid polyurethane ceramic coating |
Accessories | Electric-air (air-air) valve positioned, filter regulator, valve converter, solenoid valve, limited switch | Space heater (normal type) |
Note: non-standard accessories, need special customized notes. |
Rated flow coefficient, Cv | Percentage | 0.25 | 0.1 | 0.4 | 0.63 | 1.0 | ||||
---|---|---|---|---|---|---|---|---|---|---|
Linear | 0.01 | 0.04 | 0.1 | 0.16 | 0.25 | 0.1 | 0.4 | 0.63 | 1.0 | |
Nominal size | Travel | Option flow coefficient, Cv(★confirm to IEC ●recommend) | ||||||||
DN15 | 16mm | ● | ● | ● | ● | ● | ● | ★ | ★ | ★ |
DN20 | ● | ● | ● | ● | ● | ● | ★ | ★ | ★ | |
DN25 | ● | ● | ● | ● | ● | ● | ★ | ★ | ★ | |
Pneumatic actuator | ZHA/B-22 | |||||||||
Diaphragm effective area, Ae (cm2) | 350 | |||||||||
Electric actuator | 3810L-08 |
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- Contact Person: Mr. Steve Zhao
- Tel: +86-21-68106360
- Wechat: 1503503
- E-mail: valve@dtjt.com
- Whatsapp: +86-158 0080 7770
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