Woodward 8440-2167 Low Pressure CANopen Proportional Gas Valve

Product Brief Introduction Low-pressure rated CANopen proportional gas admission valve, suitable for low inlet pressure biogas, landfill gas fuel control.
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Technical Specifications Supply voltage:24 V DC ±10%; Communication:CANopen CiA408; Operating pressure:0.1–4 bar(g); Operating temperature:-30 °C ~ +110 °C; Enclosure:IP65.

Functional Features Low pressure working range; CANopen digital bus; LVDT closed-loop feedback; soft seat sealing; low-flow cut-off.

Application Scenarios Landfill gas generator, low-pressure biogas cogeneration unit, small low-pressure pipeline gas engine.

Performance Parameters Flow linearity:±2.8% FS; Repeatability:±1.1% FS; Bus update cycle:10 ms.

Material Composition Aluminum valve body; stainless steel plunger; soft rubber valve seat; NBR/FKM composite seal; CAN communication board.

Structural Characteristics Compact inline flow structure; top-mounted solenoid and CAN electronics; small threaded process ports.

Working Principle CANopen bus sends opening command, LVDT closed-loop regulates plunger lift, specially designed soft seat ensures tight shutoff under low gas inlet pressure.

Installation Requirements Install inline; ensure inlet pressure stays within rated low pressure range; install upstream pressure regulator and fine filter.




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