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Koso EPB801 Electric Valve Positioner for Accurate Positioning
Product Overview
The Koso EPB801 Electric Valve Positioner is a critical accessory for pneumatic control valves, designed to precisely regulate valve position in industrial processes. It converts 4-20 mA DC input signals into pneumatic output to drive valves while providing mechanical feedback for accurate position tracking.
Technical Specifications
Attribute
Value
Brand
Koso
Type
EPB801
Air Supply
140 To 700 KPa
Linearity/Hysteresis
+/-1.0% / 0.5%
Max. Capacity
Output Atmosphere 175 Nl/min. At Sup. 140 KPa [gaug]
Air/Electric Wiring Connection
Rc. 1/4 / G1/2
Key Features
Precision Control: 4-20 mA DC input signal with mechanical feedback for accurate positioning
Versatile Compatibility: Adaptable to straight stroke (12-100 mm) and angular stroke (0-90°) actuators
Optimized Pneumatics: 0.14-0.50 MPa gas source pressure with low 5 NL/min consumption
High Accuracy: Backlash <1% and dead zone <0.4% for precise control
Rugged Construction: Aluminum alloy housing with IP protection for harsh environments
Safety Certified: Available in flameproof and standard models for different environments
Performance Parameters
Input Signal: 4-20 mA DC (with split range options available)
Temperature Range: -20°C to +80°C (standard model)
Relative Humidity: ≤90%
Housing Material: Aluminum alloy (3.5 kg weight)
Air Connection: ZG1/4 thread
Warranty & Environmental
Warranty: 1 year
Operating Temperature: Standard model: -20°C to +80°C
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments .
We have been specializing... Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments .
We have been specializing...