ASCO JAPAN, Japan
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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