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Trerice 450B Process Pressure Gauge 4.5″ Dry Dial

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The Trerice 450B Process Pressure Gauge 4.5″ Dry Dial is designed for the petrochemical and industrial process industries. This solid front, blow-out back gauge is noted for its fiberglass reinforced polypropylene turret case and screwed ring; its sturdy interior design; and its field liquid-fill capability (no kit required). The 450 Series can withstand the most rugged industrial applications, while maintaining precise accuracy. Wetted parts are bronze tube/brass socket, stainless steel, or Monel.


  • 41/2″ Dial Size
  • ±0.5% Accuracy
  • Solid Front/Blow-Out Back
  • Field Liquid Fillable


  • DIal Size: 41/2 inch
  • Fill Glycerine. Dry None (Note: Other fills available. See Options & Accessories)
  • Movement: Stainless steel
  • Connection: Lower male or lower back male, 1/4 or 1/2 NPT
  • Case: Fiberglass reinforced polypropylene, turret, solid front with blow-out back
  • Ring: Threaded fiberglass reinforced polypropylene
  • Window: Acrylic
  • Pointer: Micro adjustable, black finished
  • Dial Face Aluminum, white background with black graduations and markings

Additional Features

  • Overload and underload stops
  • Accuracy ±0.5% Full Scale, ASME B40.100 Grade 2A
  • Maximum Temperature 450B: 250°F (121°C)
  • Approximate Shipping Weight 450B: 2.2 lbs [1.00 kg]
  • * Ranges over 10,000 PSI have Ni-Span-C tube.

Optional Features

  • Please consult the Options & Accessories Section for details.
  • For correct use and application of all pressure gauges, please refer to: Pressure Gauge Standard ASME B40.100.


Additional information

Weight 2.2 lbs
Dimensions 7 × 6 × 3.25 in
Manufacturer Part Number


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