Consulting email:

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3730-0 Electropneumatic positioner

Single-acting or double-acting positioner for attachment to pneumatic control valves

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  • Electropneumatic positioner

  • Die-cast aluminum or stainless steel housing

  • Attachment to linear actuators according to IEC 60534-6, VDI/VDE 3847, or SAMSON integral attachment

  • Attachment to double-acting actuators with Type 3710 Reversing Amplifier

  • Any mounting position possible

  • Calibrated travel sensor without gears susceptible to wear

  • Analog pneumatic output prevents pulsing in case of leaking actuator

  • Fast-reacting analog control loop

  • High control accuracy (fine tuning) without dead band and continuous pneumatic output

  • Two-wire system with small electrical load below 300 Ω

  • Output pressure limitation adjustable on DIP switch

  • Selectable tight-closing function with fixed switching point

  • Low air consumption of approx. 110 

  • ln/h independent of supply and output pressure

  • Aluminum housing with IP 66 degree of protection

  • Check valve in the exhaust air port

  • Resistant to shock and vibration

  • Extended temperature range also for intrinsically safe operation

  • Travel range selectable within the rated travel range using DIP switch

  • Zero and span adjusted by potentiometers

  • Set point range and direction of action adjustable on DIP switches, e.g. for split-range operation


USAGE

  • Challenging transit times

  • Challenging ambient conditions

  • Throttling service

ATTACHMENT TO

  • Linear actuator, single acting

  • Linear actuator, double acting

EXPLOSION PROTECTION

  • Without certification

  • Type of protection "Intrinsic safety"

COMMUNICATION

  • Not required

CONTROL LOOP

  • 4 to 20 mA

OPTIONAL SOLENOID VALVE

  • Not required

VALVE DIAGNOSTICS

  • Not required


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