Model 233.55

Bourdon Tube Pressure Gauge

All Stainless Steel Construction, Panel Builder Gauge

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Applications

  • Panel builder and control industry
  • Suitable for corrosive environments with 316 stainless steel wetted parts
  • Used in gaseous and liquid media

Product features

  • Equipped with socket restrictor and glycerine filled case
  • Off-set case liquid filling port
  • LBM process connection
  • Crimped tamper-proof bezel ring

Specifications

Design
ASME B40.100

Size
2½” (63mm)

Accuracy class
2½” + ASME B40.100 Grade A 2/1/2%

Scale ranges (all ranges not stocked)
Vacuum/Compound up 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

Socket Material
316L Stainless Steel

Movement
Stainless Steel

Dial
White aluminum with black lettering; stop pin

Pointer
Black aluminum

Case
304 Stainless Steel with vent plug and SS crimping ring.
Welded case/socket connection

Front Flange
300 series Stainless Steel, polished

Working Range
Steady: ¾ of full scale value
Fluctuating: 2/3 of full scale
Short time: full scale value

Bourdon Tube
Material: 316 Stainless Steel
≤1,000 PSI (70 bar): C-shape,
>1,000 PSI (70 bar): Helical

Operating Temperature
Ambient: -4°F to 140°F (-20°C to 60°C)
Media: 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)

Vent Plug
Flat rubber - over 300 PSI (20 bar)
Field cuttable nipple - vacuum through 300 PSI (20 bar)
With yellow vent lever - available

Restrictor
316 Stainless Steel; 0.023” (0.6mm) orifice, standard

Bourdon Tube Pressure Gauge<br>
Model 233.55 LBM

Bourdon Tube Pressure Gauge
Model 233.55 LBM

  • Bourdon Tube Pressure Gauge<br>
Model 233.55 LBM
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