Technical Specialties

Mallard Regulator

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Mallard Instrument Filter/Pressure Regulator

Designed to provide clean, accurate air pressure to instruments, valves and other automatic control equipment. Used extensively to supply air to pneumatic controllers, transmitters transducers valve positioners air cylinders and a wide range of pneumatic control systems. Port size 1/4" (NPT)



  • Superior regulation characteristics
  • Rugged, corrosion-resistant construction
  • Excellent stability and repeatability
  • Built-in 40 micron filter and dripwell (5601 only)
  • Self-relieving
  • Low droop at high flow
  • Variety of mounting options
  • Low cost


  • Brass Internals
  • Flow Capacity: 20 scfm @ 100 psig supply, 20 psig outlet
  • Sensitivity: 1" of water
  • Supply Pressure: 250 psig maximum
  • Air Consumption: Less than 6 scfh