Model 233.34SUBSEA Subsea Gauge Stainless Steel

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  • Subsea environments: tested to working depths of 10,000 ft. (3,048 m) of sea water
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system

Product features

  • Excellent load-cycle stability and shock resistance
  • Solid front thermoplastic case
  • Positive pressure ranges to 30,000 psi (2,000 bar)
  • Black dial face with white enlarged numerals for subsea visualization
  • Optional easy-to-assemble Lexan Shield kit for extra protection


ASME B40.100

4½” (115 mm) dial size

Accuracy class
± 0.5% of span (ASME B40.100 Grade 2A)
± 1.0% of span (ASME B40.100 Grade 1A)
for 20,000 psi (1,600 bar) range and above

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.

Operating temperature
Ambient: -4°F to +150°F (-20°C to +66°C) – glycerine filled
Medium: max. +212°F (+100°C)

Vacuum/compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 30,000 psi (2,000 bar) or other equivalent units of pressure or vacuum

Working pressure
Steady: full-scale value
Fluctuating: 0.9 x full-scale value
Short time: 1.5 x full-scale value

Pressure connection
Material: 316L SS
Lower mount (LM) or lower back mount (LBM)
Optional: ½” NPT (male)
High-pressure autoclave, F250C (9/16-18 UNF RH female)
or consult factory

Bourdon tube
Material: 316L SS
≤ 1,000 psi (70 bar): C-shape,
> 1,000 psi (70 bar): Helical

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