Mallard Controls is a CIRCOR brand that manufactures instruments and valves for the control of pressure, liquid levels, and processes for oil and gas applications: compressor stations, gas gathering systems, pressure control, process control, and treatment facilities.

Check Valves

  • Piston check

Control Valves

  • Closed yoke
  • Open yoke
  • Freezeless
  • 3-Way

Liquid Level Controllers

  • Pneumatic
  • Electric
  • Accessories

Liquid Level Switches

  • Pneumatic
  • Electric

Pressure Controllers

  • Proportional-plus-Reset
  • Proportional

Pressure Regulators

  • Air set
  • High Flow
  • High pressure
  • Self-operating

Sight Glasses & Gauge Valves

  • Gauge valve
  • Level gauge