Mid-West Piston Type Differential Pressure Gauge and Switch, Model 123
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Model 123 Piston Type Differential Pressure Gauge & Switch

Brand: Mid-West Instrument
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Mid-West Piston Type Differential Pressure Gauge and Switch, Model 123 Mid-West Piston Type Differential Pressure Gauge and Switch, Model 123
A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control.
Features
  • Simple, rugged, compact design
  • Working pressure up to 5,000 psiG (340 bar)
  • Over-range protection to maximum pressure
  • Body materials: Aluminum or 316L Stainless Steel with 316 stainless steel internals
  • Weather-resistant construction standard
  • Shatter resistant acrylic lens
  • Variety of dial type and sizes: 2-1/2", 3-1/2", & 4-1/2"
  • Available DP Ranges: Inches H2O, psiD, bar, and kPa
  • ¼" Female NPT & ½" Female NPT Process Connections
  • Multiple mounting options available
  • Temperature Limits: -40° to +200° F (-40° to 93° C)

Specifications

Brand

Accuracy

  • ± 3 / 2 / 3 % of Full Scale

Approvals & Certifications

  • CE
  • CSA
  • UL (C,US)

Diaphragm Material

  • Ethylene Propylene (EPR)
  • Neoprene
  • Teflon
  • Viton

Enclosure, Body Material

  • 316 Stainless Steel
  • Aluminum

Environmental Protection

  • IP66
  • NEMA 4X

NACE & NIST

  • NACE MR-0175

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

Pressure Type

  • Differential

Set Point - Decreasing

  • bar: 0 to 7
  • kPa: 0 to 700
  • psi: 0 to 110

Set Point - Increasing

  • bar: 0 to 7
  • kPa: 0 to 700
  • psi: 0 to 110

Switch Type

  • SPDT 3 W, 125 Vac/dc, 0.25 A, 60 W, 240 Vac/dc, 1 A
  • SPST 60 W, 240 Vac/dc, 3 A

System Pressure

  • bar: 0 to 200
  • kPa: 0 to 20,000
  • psig: 0 to 3,000

Documentation

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