Changshu Kexin Automation Equipment Co., Ltd. |
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1000 series Electric-pneumatic Valve Positioner is used with the pneumatic control valve to form a closed loop control loop. The DC current signal given by the control system is converted into a gas signal that drives the regulating valve to control the action of the regulating valve. At the same time, feedback is made according to the opening degree of the regulating valve, so that the valve position can be correctly positioned according to the control signal outputted by the system. The electric positioner can be used for singleacting (spring-return type) and double-acting pneumatic actuators.
Installation of Electric-pneumatic valve positioners: This series is adjustment type and is designed for double-acting or single-acting actuators with input and output 4-20 mA feedback signals. The pneumatic actuator is equipped with an electric-pneumatic valve positioner and bracket, linking the feedback lever through the pinion NAMUR slot, which is fastened by 4 bolts. The air source pipeline can be connected to realize the adjustment control.
Model Item | WOOL (LinearType) 1000R (RotaryType) | |
Single acting Double acting | ||
Input signal, resistance | 4~20mA.DC | 250Q+15Q |
Gas supply pressure | 1.4- 7kgf/cm2 (20~ 10Opsi) | |
Stroke | 10~ 105mm | 0-90° |
Electrical Interface | PT (N PT) 1/2 | |
Explosion-proof grade | ExdllBT4/ExdllBT6/ExiallCT6 | |
Protection level | IP66 | |
Ambient temperature | -20°C~ 70°C Repeatability ±0.5% | |
Linear | ±1%F.S ±2%F.S ±2%F.S | |
Hysteresis | ±1%F.S Sensitivity ±0.2%F.S ±0.5%F.S | |
Air energy consumption | 3LPM (sup=1.4kgf/cm2,20psi) | |
Flow | 80LPM (sup=1.4kgf/cm2,20psi) | |
Material | Castaluminum | |
Weight | 2.7KG-2.8KG |
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Electro-Pneumatic Positioner products should be packaged and shipped in the following manner: