ASCO JAPAN, Japan
ASCO Proportional Control Air Operated Valve
Made in Japan
Manufacturer: ASCO JAPAN Co.LTD.
This is a two-way valve operated by air, capable of controlling the flow rate in proportion to the control signal. It can regulate the flow of air, general fluids, and corrosive liquids. With its compact design and ease of use, the valve is highly convenient. By using dedicated software, users can also perform feedback control and make parameter adjustments seamlessly.
Features
The valve controls flow proportional to the control signal and allows for feedback control when using external sensors. It includes an LED indicator, making it easy to check the valve’s open or close status at a glance. Designed for outdoor use with an IP66 rating, the valve also offers the option of fail-safe operation for added safety. It features a 2-way piston design, normally closed (NC) with under-disk pressure type, and is available in operator diameters ranging from 63mm to 125mm. Additionally, users can choose between cable gland or M12 type wiring connections, depending on their preference.Wiring connection can be selected as cable gland type or M12 type
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
Specification
Fluid | Non-corrosive fluids Steam Corrosive fluids (stainless steel body) |
---|---|
Pipe diameter | Rc 1/2 to 2 1/2 |
Operating Pressure Difference | 0 to 1.6 MPa |
Fluid Temperature | -10 to 180°C |
Ambient temperature | 0 to 50°C |
Pilot Fluid | Instrument Air |
Pilot Fluid Temperature | 0 to 50°C |
Piston diameter (mm) | 63, 90, 125 |
Proportional Control Characteristics | Hysteresis: <2% Sensitivity: <2% Repeatability: <1% |
Control Signals | 0 to 10V, 4 to 20mA |
Feedback Signal | 0 to 10V, 4 to 20mA |
Control Signals | Cable glands | M12 Connector | ||
---|---|---|---|---|
Single Loop | Double Loop | Single Loop | Double Loop | |
Fail position retention | 0-10V | – | 0-10V | – |
4-20mA | – | 4-20mA | – | |
Fail-close | 0-10V | 0-10V | 0-10V | 0-10V |
4-20mA | 4-20mA | 4-20mA | 4-20mA |
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