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Wilkerson R21 Series Dial-Air Regulator, Port Sizes 1/4, 3/8 1/2, 3/4; Flows to 220 SCFM

R21 Series Dial-Air Regulator

Brand: Wilkerson Corporation
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Features
  • Balanced Valve Design
  • Non-Rising Pressure Adjusting Dial
  • High-Relief Flow (3/16" Relief Orifice)
  • Two 1/4" NPT Gauge Ports, Usually Used for Additional Outlets
  • Piston Operated

1 - 12 of 12 Part Numbers
R21-02-000
R21-02-000
  • Port Size - 1/4"
  • Pressure Range - High Flow 5 to 160 PSIG (0.4 to 11 bar)
R21-02-L00
R21-02-L00
  • Port Size - 1/4"
  • Pressure Range - Low Pressure 2 to 40 PSIG (0.1 to 3 bar)
R21-02-R00
R21-02-R00
  • Port Size - 1/4"
  • Pressure Range - Remote 5 to 160 PSIG (0.4 to 11 bar)
R21-03-000
R21-03-000
  • Port Size - 3/8"
  • Pressure Range - High Flow 5 to 160 PSIG (0.4 to 11 bar)
R21-03-L00
R21-03-L00
  • Port Size - 3/8"
  • Pressure Range - Low Pressure 2 to 40 PSIG (0.1 to 3 bar)
R21-03-R00
R21-03-R00
  • Port Size - 3/8"
  • Pressure Range - Remote 5 to 160 PSIG (0.4 to 11 bar)
R21-04-000
R21-04-000
  • Port Size - 1/2"
  • Pressure Range - High Flow 5 to 160 PSIG (0.4 to 11 bar)
R21-04-L00
R21-04-L00
  • Port Size - 1/2"
  • Pressure Range - Low Pressure 2 to 40 PSIG (0.1 to 3 bar)
R21-04-R00
R21-04-R00
  • Port Size - 1/2"
  • Pressure Range - Remote 5 to 160 PSIG (0.4 to 11 bar)
R21-06-000
R21-06-000
  • Port Size - 3/4"
  • Pressure Range - High Flow 5 to 160 PSIG (0.4 to 11 bar)
R21-06-L00
R21-06-L00
  • Port Size - 3/4"
  • Pressure Range - Low Pressure 2 to 40 PSIG (0.1 to 3 bar)
R21-06-R00
R21-06-R00
  • Port Size - 3/4"
  • Pressure Range - Remote 5 to 160 PSIG (0.4 to 11 bar)
1 - 12 of 12 Part Numbers

View_Details

Specifications

Brand

Flow Capacity

  • 1/4”: 117 scfm (55 dm³/s)
  • 3/8”: 180 scfm (85 dm³/s)
  • 1/2”: 195 scfm (92 dm³/s)
  • 3/4”: 220 scfm (103 dm³/s)

Adjusting Range Pressure

  • 0 to 40 psig (0 to 2.8 bar)
  • 0 to 160 (0 to 11 bar)

Bleed Rate

  • 0.05 scfm (0.024 dm³/s)

Maximum Supply Pressure

  • 300 psig (20.7 bar)

Operating Temperature

  • 32° to 150° F (0° to 65.5° C)

Port Size

  • NPT / BSPP-G: 1/4
  • NPT / BSPP-G: 3/8
  • NPT / BSPP-G: 1/2
  • NPT / BSPP-G: 3/4

Gauge Port (2 Ea.)

  • NPT / BSPT-Rc: 1/4

Weight

  • 2.3 lb (1.04 kg)

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