WIKA Model 332.25 Hinged Ring Test Gauges

316 SS Wetted Parts

Applications

  • Pressure monitoring panels
  • Suitable for corrosive gaseous or liquid media that will not clog the pressure system or attack 316L SS parts.
  • Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction

Product Features

  • Hinged ring for access to adjustable pointer
  • Durable aluminum case
  • Positive pressure ranges to 20,000 psi (1,600 bar)
  • Mirror band dial
  • Knife edge pointer

Specifications

    • Design
      ASME B40.100

 

    • Sizes
      4½" (115 mm)

 

    • Accuracy Class
      Ranges: ± 0.25% of span (ASME B40.100 Grade 3A) for pressure range 600 psi (40 bar)
      ± 0.50% of span (ASME B40.100 Grade 2A) for pressure range > 600 psi (40 bar) and < 2,000 psi (160 bar)
      ± 0.25% of span (ASME B40.100 Grade 3A) for pressure range ? 2,000 psi (160 bar)

 

    • Ranges
      Vacuum / Compound to 200 psi (16 bar)
      Pressure from 15 psi (1 bar) to 20,000 psi (1,600 bar)
      or other equivalent units of pressure or vacuum

 

    • Working Pressure
      Steady: full scale value
      Fluctuating: 0.9 x full scale value
      Short time: 1.3 x full scale value

 

    • Operating Temperature
      Ambient: -40°F to +140°F (-40°C to +60°C)
      Medium: +212°F (+100°C) maximum

 

    • Temperature Error
      Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% of span for every 18°F (10°K) rising or falling.

 

    • Weather protection
      Weather resistant (NEMA 3 / IP54)



    • Pressure connection
      Material: 316L stainless steel
      Lower back mount (LBM)
      1/4" or 1/2" NPT with M4 internal tap

 

    • Bourdon tube
      Material: 316L stainless steel
      1,000 psi (70 bar): C-shape,
      > 1,000 psi (70 bar): Helical

 

    • Movement
      Stainless steel. Internal stop pin at 1.1 x full scale

 

    • Dial
      White aluminum with black lettering, mirror band dial and stop pin at 6 o'clock

 

    • Pointer
      Black aluminum, adjustable

 

    • Case
      Black-painted aluminum with 3 threaded mounting bolts.
      Solid front, blowout back safety case. 304 stainless steel blowout back plate

 

    • Hinged ring
      Black-painted steel with knurled clamping screw

 

    • Window
      Flat instrument glass with silicone rubber gasket

 

  • Mounting bolts
    10-24 UNC threads
Model 332.25

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  • WIKA 50675796 Mechanical Pressure Gauge
    50675770

    WIKA

    Product Type: Test Gauges

    WIKA Type 332.25 Mechanical Pressure Gauge, 1/4" NPT, 5000 PSI, 4.5" White Aluminum Dial, +/-0.5% Accuracy, Black Painted Aluminum Case, Black Aluminum Adjustable Pointer, 316L Stainless Steel Helical Bourdon Tube, Lower Back, Hinged Ring Test, Solid...
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