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    1/4 Inch Electro-Pneumatic Pressure Regulator, -1.3~80 kPa

    5 out of 5 based on 1 reviews | Write a review
    Electro-pneumatic pressure regulator especially for vacuum pressure adjustment. Pressure setting range -1.3~80 kPa (11.6 psi), power supply DC 24V or 12~15V, input signal 4~20mA current or 0~10V voltage, analog/switch output, connection hose diameter 1/4 inch. Vacuum air pressure regulator with electronic digital display, proportional valve, saving cost of various hydraulic valves in pneumatic control system.
    SKU: ATO-PPPR-8014
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    Delivery date: 6-12 days

    Air pressure regulator for vacuum air pressure adjustment. Working pressure range -1.3~80 kPa (max 11.6 psi), rated voltage DC 24V or 12~15V, input signal 4~20mA current or 0~10V voltage, hose port 1/4”. The electronic proportional vacuum pressure regulator is applied in pneumatic system, using analog control replace multistage control. It is saves costs of pressure reducer valve, solenoid valve, hydraulic valve, etc.


    Model ATO-NITV209
    Minimum supply vacuum Set pressure - 13.3 kPa (+0.0013.3 Mpa)
    Maximum supply vacuum -101 kPa (0.0101 MPa)
    Set vacuum range -1.3~-80 kPa (0.0001.3 to 0.0008 MPa )
    Max. Flow 1500L/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
    Voltage type DC 0~5V, DC 0~10V
    Preset input 4 points (Negative common)
    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 kPa: 1
    Ambient and fluid temperature 0 to 50℃ (No condensation)
    Enclosure ip65
    Port size 1/4 inch


    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.
    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 air 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 electro-pneumatic 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 air 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.

    -1.3~80 kPa Air Pressure Regulator Dimension (Unit: mm)

    • Electro-Pneumatic Pressure Regulator with Flat Bracket*

    Dimensions of -1.3~80 kPa 1/4 inch Proportional Pressure Regulator with Flat Bracket

    • Electro-Pneumatic Pressure Regulator with L-Shape Bracket*

    Dimensions of -1.3~80 kPa 1/4 inch Proportional Pressure Regulator with L-shape bracket

    *Note: The bracket is the option.

    Existing reviews of 1/4 Inch Electro-Pneumatic Pressure Regulator, -1.3~80 kPa
    The regulator was easy to install, and performed well.
    The regulator was easy to install, and performed well. I would order this proportional pressure regulator again and would recommend this product. Put this little thing on and was able to adjust it perfectly!
    From: Woody | Date: 06/05/2022
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