Mid-West Instrument
Tel: (586) 254-6500 · Fax: (586) 254-6509
6500 Dobry Dr., Sterling Heights, Michigan 48314
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Differential Pressure Piston Type Gauge & Switches - Model 123
Model 123
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Installation/Operation

Instrument Installation
Recommendations

Install.pdf
 Typical Manifold Installation
The Mid-West Advantage:
  • 5 Year Warranty
  • 30 + Years Hazardous Location product manufacturer.
  • OEM capability
  • Fast on-time Deliveries
  • Friendly Customer Support
  • 3rd Party Certified Quality System
Model 124
High Working Pressure: 10,000 PSI
Common Applications
  • Sub Sea / Deep Well
  • High Pressure Filter/Strainer Monitoring
  • Compressed Air
  • Hydraulic
  • Refrigerant
  • Pump Performance Testing
  • Heat Exchanger Pressure Drop Monitoring
Product Features
  • DP Ranges from 0-5 PSID to 0-400 PSID
  • Piston Sensing Element
  • Working Pressure up to 10,000 PSIG (689 bar)
  • Proof Pressure 20,000 PSIG
  • Over-Range Protection, High over Low and Low over High
  • Gauge Housing 316L Stainless Steel
  • Wide Range of Elastomers
Product Features/Benefits
  • Simple Rugged Designs
  • Glass Reinforced Thermoplastic Gauge Front Is Standard
  • Weather Resistant & Corrosion Resistant Gauge Front
  • Shatter Resistant Lens
  • 1 Year Warranty

Specifications:

  • Differential Pressure Range 0-5 PSID to 0-400 PSID (0-0.35 to 0-27.6 bar)
  • Available in a Variety of Equivalent Ranges & Scales
  • Accuracy ±2%*
  • Operating Temp -40ºF to +200ºF (-40ºC to +93ºC)
  • Dial Size 2-1/2" Round (Standard), 3-1/2" Round (Optional), 4-1/2" Round (Optional)
  • Working Pressure 10,000 PSIG
  • Material of Construction of Body - 316/316L Stainless Steel, adjusting Screws & end plugs
  • Materials of Construction of Internals - 316 Stainless Steel
  • Switch Options
    • SPDT 3W, 125 VAC/VDC, 0.25 amps
    • SPDT 60W, 240 VAC/VDC, 1.0 amps
    • SPST 60W, 240 VAC/VDC, 3.0 amps
  • Electrical Enclosures Weather-Resistant, NEMA 4X
  • CE Marked in Accordance With Low Voltage Directive
  • Transmitter Options
Special Features:
  • Over-range Protection Full to Maximum Working Pressure
  • Panel Mounting Standard
  • Pipe Mounting Kit Optional - 2" U-Bolt
  • Wall Mounting Optional - Rear Mount
  • NACE Compliance Optional
*(ASME B 40.100 Accuracy Grade B)