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    50~9000 mbar 1/2 inch Proportional Pressure Regulator

    Proportional pressure regulator with ideal price. High pressure range 50~9000 mbar (130.5 psi), high flow 4000L/min, working voltage DC 24V, input signal current 4~20mA or voltage DC 0~10V for configuration, analog DC 1~5V/switch output, connection hose 1/2 inch. Proportional air pressure regulator valve with electronic digital LED, low cost.
    SKU: ATO-PPPR-9012
    Free Shipping Worldwide
    Delivery date: 6-12 days

    ATO proportional pressure regulator with reasonable price. Pressure adjustment range 50~9000 mbar (130.5 psi), rated voltage DC 24V, current/voltage signal input, analog/switch output, hose size 1/2”. The electronic proportional pressure regulator is also a digital air pressure valve, which has the functions of pressure reducer valves or hydraulic valves, saving the cost for pneumatic control system.


    Model ATO-NITV305
    Minimum supply pressure Set pressure + 1000 mbar
    Maximum supply pressure 10000 mbar
    Set pressure range 50~9000 mbar
    Max. Flow 4000L/min
    Power supply Voltage DC 24V ± 10%, DC 12~15V
    Current consumption Power supply voltage DC 24V type: 0.12 A or less
    Power supply voltage DC 12~15V type: 0.18 A or less
    Input signal Current type *Note 1 DC 4~20mA, DC 0~20mA (Sink type)
    Voltage type DC 0~5V, DC 0~10V
    Preset input 4 points (Negative common), 16 points (No common polarity)
    Input impedance Current type 250 Ω or less *Note 4
    Voltage type Approx. 6.5 kΩ
    Digital input Power supply voltage DC 24V type: Approx. 4.7 kΩ.
    Power supply voltage DC 12V type: Approx. 2.0 kΩ
    Output signal (monitor output) *Note 2 Analog output DC 1~5V (Output impedance: Approx. 1 kΩ)
    DC 4~20mA (Sink type) (Output impedance: 250 Ω or less) Output accuracy ± 6% F.S. or less
    Switch output NPN open collector output: Max. 30V, 80mA PNP open collector output: Max. 80mA
    Linearity ± 1% F.S. or less
    Hysteresis 0.5% F.S. or less
    Repeatability ± 0.5% F.S. or less
    Sensitivity 0.2% F.S. or less
    Temperature characteristics ± 0.12% F.S./ ℃ or less
    Output pressure display *Note 3 Accuracy ± 2% F.S. ± 1 digit or less
    Minimum unit Mpa: 0.001, kgf/cm2: 0.01, bar: 0.01, psi: 0.1, kPa: 1
    Ambient and fluid temperature 0 to 50℃ (No condensation)
    Enclosure ip65
    Port size 1/2 inch, 1/4 inch, 3/8 inch
    Weight 645 g (without options)


    1. 2-wire type 4 to 20 mA DC is not available. Power supply voltage (DC 24V or DC 12~15V) is required.
    2. Select either analog output or switch output. Further, when switch output is selected, select either NPN output or PNP output. When measuring NITV analog output from 1 to 5 VDC, if the load impedance is less than 100 kΩ, the analog output monitor accuracy of within ±6% (full span) may not be available. The product with the accuracy of within ±6% is supplied upon your request. Output pressure remains unaffected.
    3. Adjustment of numerical values such as the zero/span adjustment or preset input type is set based on the minimum units for output pressure display (e.g. 10~5000 mbar). Note that the unit cannot be changed.
    4. Value for the state with no over current circuit included. If an allowance is provided for an over current circuit, the input impedance varies depending on the input current. This is 350Ω or less for an input current of 20mA DC.


    1. Proportional pressure regulator adopts electrical proportional method to achieve stepless control of outlet pressure. It can realize remote control and program control.
    2. Compared with hydraulic proportional valves, proportional pressure regulators are small in size, light in weight, compact in structure, light in weight and low in cost.
    3. The control of proportional pressure regulator is continuous control, and its characteristic is that the output quantity changes with the change of input quantity (current value or voltage value), and there is a certain proportional relationship between the output and input.
    4. Proportional pressure regulator has many types, which can be used with various electrical equipment and computers to control various electro-hydraulic systems. High control precision, flexible installation and strong anti-pollution ability.

    50~9000 mbar Proportional Pressure Regulator Dimensions (Unit: mm)

    • Proportional Pressure Regulator with Flat Bracket*

    Dimensions of 50~9000 mbar 1/2 inch Proportional Pressure Regulator with Flat Bracket

    • Proportional Pressure Regulator with L-Shape Bracket*

    Dimensions of 50~9000 mbar 1/2 inch Proportional Pressure Regulator with L-shape bracket

    *Note: The bracket is the option.

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