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Bourdon Tube Pressure Gauge...

WIKA 233.50-E-BG425Z-GD-UZHZCZZ-ZZZZZZZ

UZHZCZZ

This block defines construction details:

  • U → Thread type (commonly BSP or NPT)
  • Z → Special option / standard config
  • H → Dial size (typically 100 mm or 160 mm)
  • Z → Standard pointer
  • C → Window type (often laminated safety glass or polycarbonate)
  • Z Z → Additional standard options

Technical Specifications

Specification Details
Brand WIKA
Series 233.50
Measurement Principle Bourdon Tube
Case Material Stainless Steel
Wetted Parts Stainless Steel
Filling Glycerin-filled
Safety EN 837-1 (blow-out back)
Mounting Bottom entry
Dial Size Typically 100 mm / 160 mm
Accuracy Class 1.0 or 1.6 (depending on range)
Protection Typically IP65

Performance & Operating Conditions

  • Operating Temperature:
    • Ambient: -20°C to +60°C
    • Media: Up to ~200°C (without cooling element)
  • Vibration Resistance:
    Excellent (due to liquid filling)
  • Pressure Range:
    Typically from 0…0.6 bar up to 0…1000 bar (depends on BG425Z)

Mechanical Design Highlights

  • Bourdon Tube:
    • C-type or helical (depending on pressure range)
  • Movement: Precision stainless steel mechanism
  • Window:
    • Safety glass or polycarbonate (impact resistant)
  • Sealing: Designed for harsh industrial environments

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