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Process Gauges
Designed for the demanding needs of chemical and petroleum processing, U.S. Gauges' Solfrunt process gauges are also widely used in the power generation, aerospace, and marine industries. Solfrunt process gauges design and materials of construction provide reliable operation in applications where corrosive fluids, corrosive atmospheres, vibration, wide ambient temperature fluctuations, and pulsation are present.
Solfrunt Century Series Stainless Steel Gauges
Excellent local indication gauges Solfront Century gauges have high resolution easy-to-read dials for easy visual indication. The all stainless steel construction including wettedCentury Gauge internals makes Century gauges extra rugged. Specifications include:
  • Accuracy: ±1% full scale at 23°C
  • Repeatability: 0.2% of span, with tapping
  • Pressure ranges: vacuum through 11,600 psi
  • Operating temperature: -29°C to 66°C
  • Connections: DIN, JIS, British, NPT
    Solfrunt Series 1900 4½'' Standard Gauges
    U.S. Gauges Series 1900 gauges are available in 30 different vacuum, compound and pressure ranges from 30'' Hg vacuum through 11,600 psi. Calibration adjustments are performed from the rear case without removing internals. Specifications include:
    Series 1900 4½'' Gauge
  • Accuracy: ±½% of span (grade A), except for Type 316. In this type, from 10,000 to 11,600 psi accuracy is ±½% on ascending pressure and ±1% on descending pressure
  • Movement: Geared Arc-Loc with components of corrosion resistant 300 series stainless steel
  • Connections: Brass, alloy steel, 316 stainless steel or Monel, %'' ANPT, standard (¼'' ANPT, optional)
    Solfrunt Series 4½'' Low Pressure Gauges
    U.S. Gauges Series 4½'' Low Pressure Gauges measure pressures as low as a few inches of water. Gauges are available in spans from 30'' H2O to 10 psi. A unique diaphragm design helps these gauges be so sensitive at low pressures. Features include:
  • Accuracy: ±1&37; of span (grade A)
  • Diaphragm: Model 1919: NiSpan "C", silver blazed; Model 1929: 316 stainless steel, heli-arc welded
  • Movement: Heavy brass "U" frame construction with nickel silver rocker arm on stainless steel pivots
  • Connections: Model 1919: brass; Model 1929: 316 stainless steel; ½'' NPT standard (¼'' NPT optional)
    Solfrunt 6'' Gauges
    Series 1900 6'' GaugeU.S. Gauges Series 1900 Solfrunt 6'' gauges have the same rugged construction and accuracy as the 4½ Solfrunt gauges. These gauges help operators read the gauges when there is a distance between the operator and the gauge. Features include:
  • Accuracy: ±0.5% of span (grade 2A)
  • Movement: Geared ARC-LOC with components of corrosion resistant 300 series stainless steel




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