ASCO Direct-Acting/Pilot-Acting Two-Way Proportional Control Solenoid Valve Posiflow

Made in Japan
Manufacturer: ASCO JAPAN  Co.LTD.

Features

You can adjust the coil current easily through an external analog signal, with options including 0-10V, 4-20mA, or 0-20mA. The core moves to any desired position along the stroke, allowing precise control. By managing the orifice opening, you achieve stepless flow rate control from 0 to 100%. When combined with various sensors and control devices, this setup supports the automatic control of a wide range of equipment.

The electronic control unit for regulating coil current offers a compact, plug-in design, making it simple to integrate. You can select the control input signal from 0-10V (DC), 4-20mA, or 0-20mA. Additionally, the RAMP function smoothly adjusts the core control output current to handle sudden changes in the input signal, ensuring stable and efficient operation.

Application Examples

Cooling water control for casting equipment
Cryopump He gas control
Cooling control for semiconductor device
Gas control for medical gas mixing equipment
Oxygen control for ozone gas generator
Automatic gas flow control for gas chromatographs and other analytical equipment
Proportional control valve application examples

Specification

Operation/TypeDirect-acting/pilot-operated two-way proportional control valve
Control fluidAir, gas, water, diesel, etc.
Pipe diameter1/8, 1/4, 3/8, 1/2
Cv valueAir/Gas 0.05 to 1.04
Water, light oil, etc. 0.05 to 2.4
Body MaterialBrass, Stainless Steel
Sealing materialsFPM, NBR
Proportional Control Characteristics

Hysteresis: Direct acting type <5%

Hysteresis: Pilot type <7.5%
Repeatability: <3%
Sensitivity: <2%

 

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