Bourdon Tube Pressure Gauge, Stainless Steel - 232.50, 233.50

Brand: WIKA Instruments Ltd.
For the process industry, standard version, NS 63, 100 and 160.
Features
  • Excellent load-cycle stability and shock resistance
  • All stainless steel construction
  • Positive pressure ranges to 20,000 psi (1.600 bar)
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Images are representations only.
For the process industry, standard version, NS 63, 100 and 160.
Features
  • Excellent load-cycle stability and shock resistance
  • All stainless steel construction
  • Positive pressure ranges to 20,000 psi (1.600 bar)

Specifications

Design

  • ASME B40.100 & EN 837-1

Sizes

  • 2½”, 4” & 6” (63, 100 and 160 mm)

Accuracy Class

  • 4” & 6”: ± 1.0% of span (ASME B40.100 Grade 1A)
  • 2½”: ± 2/1/2% of span (ASME B40.100 Grade A)

Ranges

  • Pressure from 0/10 (0.6 bar) to 0/20,000 psi (1,600 bar) - 6” or other equivalent units of pressure or vacuum
  • - 2½”, 4”
  • Pressure from 0/15 psi (1 bar) to 0/15,000 psi (1,000 bar)
  • Vacuum / Compound to 200 psi (16 bar)

Working Pressure

  • 4” & 6”: Steady: Full Scale Value, Fluctuating: 0.9x Full Scale Value, Short time: 1.3x Full Scale Value
  • 2½”: Steady: ¾ scale value, Fluctuating: 2/3 Full Scale Value, Short time: Full Scale Value

Operating Temperature

  • Medium: +392° F (+200° C) maximum - dry, +212° F (+100° C) maximum - liquid-filled
  • Ambient: -40° F to +140° F (-40° C to +60° C) - dry, -4° F to +140° F (-20° C to +60° C) - glycerine-filled, -40° F to +140° F (-40° C to +60° C) - silicone-filled

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 tight (NEMA 4X / IP65)

Pressure Connection

  • 1/4" NPT or 1/2" NPT (other connections available)
  • Center back mount (CBM) for 2½” size
  • Lower mount (LM) or lower back mount (LBM)
  • Material: 316L stainless steel

Bourdon Tube

  • 1,000 psi (100 bar): C-shape
  • Material: 316 stainless steel

Movement

  • Stainless steel

Dial

  • White aluminum with black lettering; 2½” with stop pin

Case

  • For Pressure Ranges < 300 psi, case has compensating valve/fill plug to vent case Pressure
  • 4” and 6”- with blow out plug on back of case and fill plug on top of case
  • 2½”- with pressure relief/fill plug on top of case
  • 304 Stainless steel

Bezel Ring

  • Stainless steel, bayonet-type

Window

  • Polycarbonate (2½”) and Safety Glass (4” & 6”) with Buna-N gasket

Case Fill

  • Glycerine 99.7% - Type 233.50

Typical Applications

  • With liquid-filled case for applications with high dynamic pressure pulsations or vibration
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction

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