WIKA - Model 232.54, 233.54 -Bourdon Tube Pressure Gauges

• Intended for adverse service conditions where pulsating or vibration exists
• Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
• Suitable for gaseous or liquid media that will not obstruct the pressure system

Design

• ASME B40.100 & EN 837-1

Sizes

• 2½” & 4” (63 & 100 mm)

Accuracy class

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

Ranges

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

Working pressure

• 2½”: Steady: 3/4 scale value
• Fluctuating: 2/3 full scale value
• Short time: full scale value

4”: 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) - 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
• 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 tight (NEMA 4X / IP 65)

Pressure connection

• Material: 316L stainless steel
• Lower mount (LM) or center back mount (CBM) - 2½”
• Lower mount (LM) or lower back mount (LBM) - 4”
• 1/4” NPT or 1/2” NPT limited to wrench flat area

Bourdon tube

• Material: 316 stainless steel
• ≤1,000 PSI (70 bar): C-shape,
• >1,000 PSI (70 bar): Helical

Movement

• 300-series stainless steel

Dial

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