Ammonia Gauge - Series 300

These gauges are specifically designed for ammonia applications where economical construction is required.

These gauges feature:

  • Components that are compatible with ammonia
  • A compound range to cover all ammonia services
  • A temperature scale to aid analysis of refrigeration systems

Specifications and Features

  • Dial Size: 2.5"
  • Dial: White coated aluminum with black markings and red temperature marking
  • Case: Drawn steel with corrosion resistant finish
  • Ring and Window: Threaded polycarbonate
  • Accuracy: 2% of span
  • Movement: Precision geared stainless steel
  • Bourdon Tube: 316 stainless steel, soft soldered
  • Connections: Alloy steel, 1/4" NPT, LM

Factory Stocked Gauges

   Ammonia Gas Gauges
Range Model 351
30 - 0 - 150 psi 0332-B31AF000
30 - 0 - 300 psi 0332-B31AR000

Mounting Styles and Dimensions

Gauge Size A B C G H M W Wt(oz)
2 1/2" 2.25 1.02 2.47 1.95 0.38 0.8 9/16 6.0

Note: All Dimensions are shown in inches.