• System Pressure (Maximum): 0-100 psig, 0-7 bar, 0-700 kPa
  • Supply Pressure (Maximum): 100 psig, 7 bar, 700 kPa
  • Supply Pressure (Minimum): 20 psig, 1.5 bar, 150 kPa
  • Pipe Size: 1/4" NPT
  • Materials of Construction:
    • Body: Die Case Aluminum
    • Trim: Plated Steel, Stainless Steel, Brass, Aluminum
    • Diaphragms: Nitrile on Dacron
    • Orifice: Sapphire
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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Selected Configuration

Model #:

Model 81

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Configuration

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Pressure Range

  • bar: 0 to 0.15
  • bar: 0 to 0.35
  • bar: 0 to 1.5
  • bar: 0.035 to 4
  • bar: 0.035 to 7
  • kPa: 0 to 15
  • kPa: 0 to 150
  • kPa: 0 to 35
  • kPa: 3.5 to 400
  • kPa: 3.5 to 700
  • psig: 0 to 2
  • psig: 0 to 20
  • psig: 0 to 5
  • psig: 0.5 to 100
  • psig: 0.5 to 60

Flow Capacity

  • 50 SCFM (85 m³/Hour)

Supply Pressure - Maximum

  • bar: 7
  • kPa: 700
  • psig: 100

Supply Pressure Effect

  • >0.2 psig (0.13 bar, 150 kPa) for 100 psig (7 bar, 700 kPa) change

Output Pressure - Maximum

  • bar: 7
  • kPa: 150
  • psig: 100

Ambient Temperature

  • -40° to 93° C (-40° to 200° F)

Sensitivity

  • >0.1" WC (0.254 cm)

Exhaust Port

  • Tapped Exhaust

Air Consumption

  • Maximum: Less than 0.1 SCFM (1.7 m³/hr)

Exhaust Capacity - Relieving Units Only

  • 5.5 SCFM (9.4 m³/Hour)

Process Connection - Threaded

  • 1/4" NPT
  • 1/4" BSPT

Media

  • Compressed Air
  • Gas

Vent

  • Straight
  • Tapped Exhaust

Actuator Type

  • Tamper-Proof

Mounting

  • Bonnet Mounting

Enclosure/Body Material

  • Diecast Aluminum

Diaphragm Material

  • Nitrile on Dacron

Orifice Material

  • Sapphire

Trim Material

  • Aluminum
  • Plated Steel
  • Stainless Steel