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IP8081-03d / IP8181 Smart Electro-Pneumatic Valve Positioner | 4-20mA, Explosion-Proof

IP8081-03d / IP8181 Smart Electro-Pneumatic Valve Positioner | 4-20mA, Explosion-Proof

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उत्पाद का वर्णन
IP8081-03d / IP8181 Smart Electro-Pneumatic Valve Positioner | 4-20mA, Explosion-Proof
The IP8081/IP8181 intelligent electrical valve positioner is a microprocessor-based, two-wire field instrument designed for high-performance valve control. This advanced positioner effectively overcomes frictional and unbalanced forces on valve cores, significantly improving response speed and enabling rapid, accurate positioning.
Key capabilities include changing control types, setting split range control, configuring closed functions, adjusting valve stroke distance, modifying packing friction coefficients, setting valve types, and providing 4-20mA valve position feedback.
Key Features
  • High positioning accuracy up to 0.5% F.S
  • Easy operation with typically one-click setup completion
  • Explosion-proof functionality for safe, reliable performance
  • Automatic tuning and diagnostic capabilities
  • Excellent vibration resistance
  • No zero drift issues common with mechanical positioners
  • Low power consumption for cost-effective operation
  • Two-wire 4-20mA standard signal implementation
Technical Specifications
Parameter IP8081/IP8181 Single Acting IP8081/IP8181 Double Acting
Basic Error ±1% ±2%
Return Difference 1% 2%
Dead Zone 0.4% 0.8%
Rated Stroke 0~(10~100) mm [Angular stroke 0°~50°~90°] 0~(10~100) mm [Angular stroke 0°~50°~90°]
Minimum Operating Current 3.8mA.DC 3.8mA.DC
Voltage 9~36V.DC 9~36V.DC
Maximum Supply Power 0.2W 0.2W
Gas Source Pressure 0.14-0.7MPa 0.14-0.7MPa
Input Signal 4~20mA.DC (conventional two-wire system) 4~20mA.DC (conventional two-wire system)
Output Pressure 0.02-0.5MPa 0.02-0.5MPa
Gas Consumption 5L/min (supply 0.14MPa) 11L/min (supply 0.7MPa)
Output Characteristics Linear
Ambient Temperature -20℃~+60℃ for normal temperature type
Relative Humidity 5%~100%
Explosion Proof Type (Grade) Exd Ⅱ C T6 Gb, Ex tb Ⅲ C T80℃ Db
Input Impedance 4~20mA.DC/500Ω (20mA)
Gas Source Interface NPT1/4 (conventional), G1/4
Power Interface NPT1/2 (regular), G1/2, M20×1.5
Exterior Material Aluminum Alloy Spray Coating Process Treatment
Dimensions Explosion proof: 266×145×110mm
Common: 218×162×106mm
Explosion proof: 266×145×110mm
Common: 218×162×106mm
Weight Explosion proof: ~3.3kg
Common: ~2.3kg
Explosion proof: ~3.3kg
Common: ~2.3kg
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