Pneumatic Eccentric Rotary Control Valve
Electric Eccentric Rotary Control Valve
Standard Specification
| Body type: | Straight casing eccentric ball type valve |
|---|---|
| Spool type: | Eccentric bow globe ball body |
| Nominal size: | DN50 ~300 NPS 2〞~12〞 |
| Nominal pressure: | PN16 ~40 CLASS 150LB ~300LB |
| Connection: flange: | FF, RF, RTJ, Wafer type and so on. |
| Bonnet type: | Whole type |
| Packing: | V type PTFE, Flexible graphite |
| Seal gasket: | Metal+graphite |
| Actuator: | Pneumatic : pneumatic piston actuator, pneumatic diagragm actuator |
| Electric: | DTR series, 3810 series |
| Surface painting: | Green color, acrylic acid polyurthene ceramic paint. |
Model Establishment
| Z | Actuator | R | Structure type | Nominal pressure | Body material | Nominal diameter |
|---|---|---|---|---|---|---|
| Z series control valve | S: pneumatic piston J: pneumatic diagragm A: Electric DTR series R: Electric 3810 series | R Rotary | P:Standard full cavity rotary PF: Soft seal eccentric Rotary RP: reduced chapter eccentric rotary | PN16=16 CL150LB= 150 LB | C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D= Special material | DN50= DN50 NPS2〞=NPS2〞 |
| Example: Pneumatic piston eccentric rotary control valve,pressure PN16, Body material WCB, Nominal diameter DN50, Model: ZSRP-16C DN50 | ||||||
| Flow characteristic | Approximation percentage |
|
|---|---|---|
| Adjustment scope | Full chamber type 100:1 Shrinkage chamber type 40：1 | |
| Rated CV | Full chamber type CV 14~1750 Shrinkage chamber type CV 6-700 | |
| Travel | Full open 60° | |
| Allowable leakage | Hard seal: IV（0.01% valve rated capacity）, soft seal: VI（Bubble level） | |
| Intrinsic error % | Pneumatic type ±2 | Electric-type ±2.0 |
| Hysteresis % | Pneumatic type ≤1.5 | Electric-type ≤1.0 |
| Dead zone% | Pneumatic type ≤0.6 | Electric-type ≤1.0 |
| Note: Parameters in the performance sheet is based on the control valve with positioner and PTFE packing. | ||
| Nominal diameter DN（mm） | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated flow coefficient Cv | Full chamber type | 14 | 30 | 55 | 100 | 135 | 230 | 320 | 500 | 850 | 1300 | 1750 |
| Shrinkage chamber type | 6 | 12 | 20 | 40 | 54 | 92 | 128 | 200 | 340 | 520 | 700 | |
| Double action pneumatic actuator | Air supply pressure 400KPa | |||||||||||
| Model | Torque（N.M） | PTFE packing, metal seal allow differential pressure | ||||||||||
| ATD63 | 23.5 | 2.35 | 0.94 | |||||||||
| ATD75 | 46.5 | 5.0 | 2.84 | 1.49 | 0.57 | 0.33 | ||||||
| ATD88 | 73.2 | 2.39 | 0.99 | 0.62 | ||||||||
| ATD100 | 106 | 1.54 | 0.99 | 0.30 | 0.19 | |||||||
| ATD125 | 221 | 1.29 | 0.80 | 0.39 | ||||||||
| ATD160 | 453 | 2.84 | 1.79 | 0.89 | 0.47 | 0.26 | 0.14 | |||||
| Single action pneumatic actuator | Air supply pressure 400KPa | |||||||||||
| Model | torque（N.M） | PTFE packing, metal seal allow differential pressure | ||||||||||
| ATS75 | 26.5 | 0.19 | ||||||||||
| ATS88 | 44 | 1.19 | 0.09 | |||||||||
| ATS100 | 60.7 | 3.97 | 1.59 | 0.81 | 0.11 | |||||||
| ATS125 | 126 | 2.19 | 0.89 | 0.59 | ||||||||
| ATS160 | 269 | 1.39 | 0.53 | 0.34 | ||||||||
| ATS200 | 467 | 2.84 | 1.79 | 0.89 | 0.47 | 0.26 | 0.14 | |||||
| Electric actuator | ||||||||||||
| Model | Torque（N.M） | PTFE packing, metal seal allow differential pressure | ||||||||||
| 3810R-10 | 100 | 10 | 7.5 | 4.0 | ||||||||
| 3810R-30 | 300 | 5 | 4.5 | 2.3 | 2.1 | 1.9 | ||||||
| 3810R-50 | 500 | 1.0 | 0.6 | 0.4 | ||||||||
| Model/Style | Pneumatic piston actuator | Full electronic type electric actuator |
|---|---|---|
| AT Series | 3810R Series | |
| Single action, Double action | Built-in control box type intelligent integration | |
| Usage | Adjustment, on-off | Adjustment |
| Air supply pressure or supply voltage | Air supply pressure ( spring scope) 400 Kpa G |
Power: AC 200V±10% 50Hz Or power: AC 380V±10% 50Hz |
| Connector | Air tube adapter: RC1/4 | Normal type: Cable intake 2-PF(G1/2〞) Exd: it can be installed protective sleeve PF(G3/4〞 |
| Direct action | Gas pressure increase disk anti-clockwise rotation, valve close | Input signal increase disk anti-clockwise rotation, valve close |
| Reaction | Gas pressure increase disk clockwise rotation, valve open | Input signal increase disk clockwise rotation, valve open |
| Input signal | 40～20mA.DC（with E/P positioner） | Input/putout4～20mA.DC |
| Lag | ≤1%FS（with positioner） | ≤0.8%FS |
| Linearity | 2%FS（with positioner） | ≤+1%FS |
| Working temperature | -10℃～+70℃ | Standard type: -10℃～+60℃ With spacer heater: -35℃～+60℃ Exd type: -10℃～+40℃ |
| Coating | Green, acrylic polyurethane enamel | Blue, acrylic polyurethane enamel |
| Option parts | Electric-Pneumatic (Pneumatic-pneumatic)valve positioner,LFT,Valve position transmitter,solenoid valve,limited switch | Space heater (normal type) |
| Note: Not standard configuration, need to be stated before order. | ||
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