Technical Specifications Supply voltage:24 V DC ±10%; Control signal:4–20mA; Position feedback:4–20mA; Operating pressure:0.5–10 bar(g); Operating temperature:-30 °C ~ +120 °C; Enclosure:Ex explosion-proof housing, IP66.
Functional Features Flameproof explosion-proof construction; closed-loop LVDT feedback; zero shutoff; anti-spark internal design.
Application Scenarios Classified hazardous gas zone, gas compressor station, oilfield gas power unit, explosion-proof cogeneration plant.
Performance Parameters Flow linearity:±2.2% FS; Repeatability:±1% FS; Response time:<22 ms.
Material Composition Cast aluminum flameproof valve housing; stainless steel internals; FKM seals; explosion-proof sealed electronic chamber.
Structural Characteristics Flameproof enclosure; inline flow body; explosion-proof cable gland for wiring entry.
Working Principle 4–20mA signal controls valve opening, LVDT closed-loop regulation. Flameproof housing contains internal sparks and prevents ignition of surrounding flammable gas.
Installation Requirements Install inline; use certified explosion-proof cable and cable gland; ground equipment per explosion-proof standard; calibrate valve.
Usage Notes Only qualified explosion-proof technicians perform installation and maintenance; do not open housing when power on.
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