Pneumatic Angle Control Valve
Electric Angle Control Valve
Specification
| Body type: | Angle casting globe type |
|---|---|
| Spool type: | single-seat, sleeve type |
| Nominal size: | DN20~200 NPS3/4〞~ 8〞 |
| 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 | Valve material | Nominal size |
|---|---|---|---|---|---|---|
| Z series control valve | J: pneumatic diaphragm H: pneumatic piston R: electric 3810L D: electric PSL type |
Direct travel | J: standard angle single-seat control valve JF: soft seal angle single-seat control valve JM: standard angle sleeve type control valve JT: two-layer cage sleeve type control valve JG: radiator angle type control valve JD: low-temperature angle type control valve |
PN16=16 CL150LB=150LB JIS10K=10K |
C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D= special material |
DN25= DN252 NPS1〞= NPS 1〞 |
| Such as the Z type pneumatic diaphragm angle single seat control valve, pressure PN16，valve material WCB，nominal size DN50，type: ZJHJ-16C DN50 | ||||||
| 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 | ||
| Allowable leakage | Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade）Leakage standard: GB/T 4213 |
||
| Performance | Pneumatic | Electric | |
| Allowable tolerance, % | ±1.5 | ±1.0 | |
| Return difference, % | ≤1.5 | ≤1.0 | |
| Dead zone, % | ≤0.6 | ≤1.0 | |
| The difference from beginning to endpoint, % | ±2.5 | ±2.5 | |
| Rated travel difference, % | ≤2.5 | ≤2.5 | |
| Note: specification on the basis of the control valve with positioned and PTFE packing. | |||
| 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 |
| 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: 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 coating | Blue, acrylic acid polyurethane coating |
| Accessories | Electric-air (air-air) valve positioned, filter regulator, valve converter, solenoid valve, limited switch | Space hearter (normal type) |
| Note: non-standard accessories, need special customized notes. | ||
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