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General Service

General Service Marsh Pressure Gauges from MARSH

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Marsh General Service Gauges (PDF)
  Products > Marsh Pressure Gauges
General Service

Marsh Instruments General Service Steel Case Gauges are an economical, general purpose gauge for pressure measurement from vacuum/compound through 5000 psi. Suited for use with water, oil, air, gas, or other non-corrosive media. Typical applications include FRLs, compressors, pumps, boilers, regulators, dryers as well as commercial and industrial equipment.

  • Accuracy: ASME Grade B = ± 3/2/3 (± 2% of range across middle half of scale)
  • Case Size 1½", 2", 2½", 3½", 4½" diameter
  • Case Material: Steel, black painted
  • Case Style:
    CB — Central Back Mount
    LM — Lower Mount
    UC — U-Clamp Mount
    See option tables for Front Flange
  • Tube & Socket: Copper alloy
  • Movement: Brass
  • Connections: ¹/8" & ¼" NPT
  • Ranges: 0 to 30" Hg VAC;
    Compound 30" Hg vac to 400 psi;
    15 to 5,000 psi
  • Dial Standard: Dual scale psi and kPa
  • Dial Color: Black markings on white
  • Pointer: Aluminum, black painted
  • Window: 1½", 2", 2½", 3½" : acrylic, twist-in clearlok;
    4½" : flat glass window w/ steel friction ring
  • Restrictor: Standard for ranges 1,000 psi and above

Marsh Pressure Gauges
Rev. 2/28/2014

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