Mid-West Instrument
Tel: (586) 254-6500 · Fax: (586) 254-6509
6500 Dobry Dr., Sterling Heights, Michigan 48314
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OEM Diaphragm Type Differential Pressure Indicator - Model 555 OEM Diaphragm Type Differential Pressure Indicator - Model 555
Model 555
Models 555

Description

The Model 555 Series Differential Pressure Indicator offers a two sided
dial providing easier installation regardless of flow direction. It is used
on filters & strainers. The Rolling Diaphragm Sensing Element isolates
the high and low side of the indicator assuring filter efficiency (Reverse
pressure must be avoided).

Literature Links

Product Bulletin
Bulletin 555_OEM_11.pdf

with aluminum base
Bulletin_555A_11.pdf

Installation/Operation
555A-V.pdf
555A.pdf

Specifications:
  • Differential Pressure Range 0-5 PSID (0-0.35 bar) to 0-50 PSID (0-3.5 bar)
  • Accuracy ±5% F.S.
  • Dual Color Coded Dials (custom scales available)
  • Working Pressure 300 PSIG (20 bar)
  • Max. Operating Temp. +200º F (93ºC)
  • Body Material - Glass Filled Nylon (GFN)
  • Internal Materials - GFN, Ceramic, & Stainless Steel
  • Elastomers Buna-N (std.), Viton®* (opt.)
  • Direct Mounting SLOTTED INTERNAL HEX HEAD BOLT 3/8"-24 UNF 1.75" SPACING
    • 1/4" FNPT Adapter (opt.)
    • Other Connection Options Available
  • Dimensions 2.27H" x 1.5W" x 2.88L"

* Viton® is a Registered Trademark of DuPont Dow Elastomers

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