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ASCO Proportional Control Motor Piston Valve

Made in Japan
Manufacturer: ASCO JAPAN  Co.LTD.

This is a motor type proportional control piston valve that does not require an air pressure source. Since no air pressure source is required, a compact layout is possible.
Piping size 3/8, 1/2, 3/4
Air, gas Class 1 & 2
Water, oil, liquid Class 1 & 2
Steam (up to 145°C)

Features

No air pressure source required
Also supports high temperature steam (up to 145℃)
Can be used in vacuum conditions up to 10 -2 Bar
Two types: On/Off type and proportional control
LED lamp indicates valve open/close status
Open/close signals can also be sent to a PLC

General Specifications

Fluid Air, gas, water, oil, highly viscous fluids (up to 600cSt)
Screw Type G thread or NPT thread
Pipe diameter 3/8 1/2 3/4
Operating Pressure Difference 0 to 0.6 MPa
(Steam: 0 to 0.4 MPa)
0 to 0.5 MPa
(Steam: 0 to 0.4 MPa)
0 to 0.4 MPa
Maximum flow rate (m3/h) 2.7 3.8 6
(l/min) 45 63 100
Operator Diameter 67 mm
Operating time <1.3 seconds
Hysteresis 5%
sensitivity 3%
Reproducibility 3%

Two types of sealing materials are available

Material Sealing material: NBR Sealing material FPM
Fluid Temperature Range -10℃ to +90℃ -10℃ to +145℃ (steam)
Ambient Temperature Range -10℃ to +50℃ -10℃ to +50℃

Technical Specifications

Power Consumption Opening/closing operation: 12W
Proportional control: <2W
Peak current: 0.7A
Valve opening and closing information LED method
IP rating IP65
Standard Voltage DC24V
Setpoint 0 – 10V (Input resistance: 10kΩ)
4 – 20mA (Input resistance: 500kΩ)

Application Examples

  • Adjustment of the flow rate of burner combustion gas
  • Adjustment of mold cooling water flow rate
  • Steam flow rate adjustment
  • Proportional control valve application examples

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