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Miniature Pressure Regulators for Corrosive Media

0 to 5 psig


Item# AR91-005

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$62.00
10-24 C$58.90
25-49 C$57.66
50-99 C$55.18
100-199 C$53.94
200+ C$52.70

In stock

Lead Time (If not in stock): 3 weeks
0 to 5 psig AR91-005 AR91-005
  • Designed for Applications with Limited Space and for Low Flow or Dead-End Service
  • Small Package Size and Lightweight Construction
  • Corrosion Resistant Anodized Aluminum Exterior
  • Excellent Stability and Repeatability
  • Self Relieving
  • Low-Cost

AR91-005 Model Options

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Pressure Range
Pressure Port Size
Pressure Port Type
Maximum Inlet Pressure
Media Type

The AR90 Series miniature pressure regulator is a compact, low cost unit which operates in pressure ranges up to 100 psi, with a maximum supply pressure of 250 psi. It provides reliability and accuracy for low flow and dead end applications, but is not designed for critical flow applications. The unit is designed with a corrosion resistant anodized aluminum body with a standard fluorocarbon diaphragm.

Supply Pressure Effect: <0.25 psig (17.02 mbar)
Exhaust Capacity (@5 psi > Setpoint): 0.1 to 0.3 SCFM (2.8 to 8.5 LPM) typical
Max. Supply Pressure: 250 psig (17.2 bar)
Flow Capacity: 2.5 SCFM (71 LPM) typical
Total Air Consumption:3 SCFH (84.6 LPM) typical
Port Size: 1/16-27 NPT or 5 mm metric thread
Materials of Construction:
  Body: Anodized Aluminum
  Adjusting Screw: Plated Steel
  Trim: Brass, Acetal
  Diaphragm: Fluorocarbon with Polyester Fabric
  Knob: Acetal Resin
  Spring: Music Wire
Dimensions: 22.2 x 22.2 x 84.6 mm (0.875 x 0.875 x 3.33')
Weight: 0.06 kg (2.2 oz)
Mounting Options: Pipe or Panel
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