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4001 - Process Gauge - Lower Mount
Item: 4001

4001 - Process Gauge - Lower Mount

Technical Documents
Technical Documents
4001 Specifications (PDF)
  Products > Marshall Pressure Gauges
4001 - Process Gauge - Lower Mount
Item: 4001

Heavy duty gauges and process gauges are designed for applications where accuracy and durability are critical. Available in a wide variety of configurations, these gauges are fully adjustable and repairable for re-calibration. Phenolic cases include a solid front/blow out back design as an added safety feature.

  • Dial: 4" (100 mm)
  • Case: Stainless steel, dry yet fillable Welded case-to-stem connection
  • Wetted Part: 316 stainless steel
  • Movement: With overload/underload stops
  • Bezel: Removable, stainless steel
  • Lens: Laminated safety glass
  • Pointer: Adjustable, black aluminum
  • Connection: Lower mount
    1/4" or 1/2" NPT
  • Scale: Standard: single scale psi
  • Accuracy: 1% of span ASME B40.1 Grade 1A
  • Ambient Temp: Dry = -30° F to 180° F
    Glycerine Filled = 30° F to 160° F

Marshall Instruments
Marshall Pressure Gauges
Rev. 4/22/2017


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