Type 3511 and Type 3521 Digital Enclosure Regulators

Type 3511 single- and Type 3521 double-loop digital servo pressure controllers, available with analog or digital outputs, combine all the advantages of reliable solenoid valve technology in a rugged weatherproof enclosure for greater durability and performance.  The configurable units feature forward flow equivalent capabilities of up to 19 SFCM for standard industry electronic regulators or I/P transducers, when using the built-in air volume booster (Type 3511).  Reverse flow (exhaust) of up to 7 SCFM is possible.  With available pressure ranges from 0 to 150 psig, the controllers offer local keypad programming option (with optional four-digit display) or RS-485 digital communications for PLC or PC digital control, housed in a rugged, weatherproof enclosure.  Units offer dual solenoid valves with an integral pressure transducer and advanced microprocessor control, as well as Proportional-Integral-Derivative (PID) control.  The double loop version (Type 3521) permits 0-10 VDC feedback from a remote sensor.



  • Serial or DeviceNet interface
  • Digital or analog inputs
  • Analog monitor output
  • Single- and dual-loop control
  • Forward flow up to 19 SCFM
  • Digital display
  • Weatherproof housing


  • Gripper Control
  • Welding Operations
  • Actuator Control
  • Machinery Automation
  • Precision Robotics
  • Tire Production & Testing
  • Web Tension
  • Semiconductor Equipment
  • Molding & Forming Operations
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