Mid-West Instrument
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OEM Diaphragm Type Differential Pressure Indicator / Switch Model 522 OEM Diaphragm Type Differential Pressure Indicator / Switch Model 522
Model 522
Model 522
Literature Links

Product Bulletin
Bulletin_522_OEM_1.pdf

The Mid-West Advantage:
  • 5 Year Warranty
  • 30 + Years Hazardous Location product manufacturer.
  • OEM capability
  • Fast on-time Deliveries
  • Friendly Customer Support
  • Certified Quality System
    CSA B51-09 SAI GLOBAL
Model 522

Description

The Model 522 Series Differential Pressure Indicating Switch is a compact,
weather resistant device for challenging DP Applications and installations.
It is suitable for use in outdoor and "Hose Down" applications. The Rolling
Diaphragm Sensing Element isolates the high and low sides (Reverse Pressure
must be avoided).

Gauge Features:
  • Range: 0-5 PSID (0-0.35 bar) thru 0-50 PSID (0-3.5 bar)
  • Max. Static pressure 1000 PSIG (70 bar).
  • Max. Over Range Differential Pressure: 200 PSID (14 bar) -High over low
  • Aluminum or 316/316L SS Gauge Body.
  • Wetted 316 SS, Ceramic, & Acetal moving components.
  • Available with Buna or Viton Elastomers.
  • Process Connections (End Connected) 1/8" or 1/4" FNPT
  • Weather-resistant construction standard.
  • Dial Accuracy ± 5% F.S. standard.
  • 0.8” weatherproof multicolored Dial
  • 2-1/2” optional dial.
  • Five Year Limited Warranty.
  • Switch options
    • SPST 60W, 240 VAC/VDC, 3 amp

* Viton® is a Registered Trademark of DuPont Dow Elastomers