Positioner IP8081/IP8181 Series
Positioner IP8081/IP8181 Series

IP8081/IP8181 Electro-Pneumatic Positioner

The IP8081/1P8181 intelligent electrical valve positioner is an intelligent two-wire field instrument based on microprocessor technology. It is a high-performance electrical valve positioner that can effectively overcome frictional forces and unbalanced forces on the valve core, improve the response speed of the regulating valve, and enable rapid and accurate positioning; It has functions such as changing control type, setting split range control, setting closed function, changing valve stroke distance, adjusting packing friction coefficient, setting valve type, and 4-20mA valve position feedback. It is used in conjunction with traditional mechanical-electrical valve positioners, making the installation and debugging of valve positioners more convenient, with lower maintenance costs and higher control accuracy.

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    Product Overview

    High positioning accuracy, up to 0.5% F.S.

    Easy to operate; generally only one click is needed to complete the setting.

    It has an explosion-proof function, safe and reliable performance.

    Automatic tuning, automatic diagnosis.

    Good seismic performance. Long-term use will not cause zero drift problems like mechanical locators.

    Low power consumption, low-cost operation.

    Adopting a two-wire 4-20mA standard signal.

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    Specifications

     

    Model IP8081/IP8181
    Item Type Single Double
    Basic Error ±1% ±2%
    Return Difference 1% 2%
    Dead Zone 0.4% 0.8%
    Rated Travel 0~(10~100) mm
    [Angular travel (angular travel) 0~(50°~90)]
    Minimum Operating Current 3.8mA DC
    Voltage 9~36V.DC
    Maximum Supply Power 0.2W
    Air Pressure 0.14~0.7MPa
    Input Signal 4~20mA.DC (conventional) two-wire system
    Output Pressure 0.02-0.5MPa
    Gas Consumption 5L/min
    (gas supply 0.14MPa)
    11L/min
    (gas supply 0.7MPa)
    Output Characteristic linear
    Ambient Temp. The room temperature type is -20℃~+60℃
    Relative Humidity 5%~100%
    Explosion Proof Type(grade) Explosion proof type
    (Ex db IIC T6 Gb, Ex tb IC T80℃ Db)
    Supply Impedance 4~20mA.DC / 500Ω (20mA)
    Air Connection NPT1/4 (conventional) G1/4
    Exterior Material NPT1/2(conventional), G1/2, M20×1.5
    Power Interface Aluminum alloy spraying process treatment
    External Dimensions Explosion-proof type: 266×145×110 (mm)
    (length×width×height)
    Normal type: 218×162×106 (mm)
    (length×width×height)
    Weight Explosion-proof type: about 3.3 kg
    Ordinary type: about 2.3 kg

    Application & Case

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