Type 3512 and Type 3522 Digital Enclosure Regulators

Type 3512 and Type 3522 Digital Enclosure Regulators from Marsh Bellofram Corporation.

The Type 3512 single loop and 3522 double loop are single units – integrated controller and booster. The 3512/3522 offers solenoid valve technology with forward flow exceeding those of most standard industrial electronic regulators or I/P transducers. Available with a local keypad programming option or RS-485 digital communications for PLC or PC control. Many output pressure ranges are available up to 150 psi. With a reliable twin solenoid valve system, and an integral pressure sensor, an accuracy of ± 0.5% is obtainable.



  • Serial or DeviceNet Interface
  • Digital or Analog Inputs
  • Analog Monitor Output
  • Single Loop and Dual Loop Control
  • Forward Flow up to 60 SCFM
  • Digital Display


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