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Bourdon Tube Pressure Gauge

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Bourdon Tube Pressure Gauge

Hinged Ring Process Gauge, 316SS Wetted Parts
Model No: 232.25

Hinged ring for access to adjustable pointer

Positive pressure ranges to 20,000 psi

Durable aluminum case and ring

Design ASME B40.100

Pressure connection Material: 316L stainless steel Lower back mount (LBM) 1/4” or 1/2” NPT with M4 internal tap

Sizes 4½” & 6” (115 & 147 mm) dial size

Bourdon tube Material: 316L stainless steel ≤1,000 psi: C-type ≥1,500 psi: helical

Accuracy class ± 0.5% of span(ASME B40.100 Grade 2A) ± 1.0% of span(ASME B40.100 Grade 1A)

Movement Stainless steel. Internal stop pin at 1.3 x full scale

Ranges Vacuum / Compound to 200 psi Pressure from 15 psi to 20,000 psi or other equivalent units of pressure or vacuum

Dial White aluminum with black lettering, stop pin at 6 o’clock

Working pressure Steady: full scale value Fluctuating: 0.9 x full scale value Short time: 1.3 x full scale value

Pointer Black aluminum, adjustable

Operating temperature Ambient: -40°F to +140°F(-40°C to +60°C) Medium: +212°F (+100°C) maximum

Case Black-painted aluminum with 3 threaded mounting bolts. Solid front, blowout back safety case. 304 stainless steel blowout back plate.

Temperature error Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4%for every 18°F (10°C) rising or falling. Percentage of span.

Hinged ring Black-painted steel with knurled clamping screw

Weather protection Weather resistant (NEMA 3 / IP54)

Pressure monitoring panels

Suitable for corrosive gaseous or liquid media that will not clog the pressure system or attack 316L SS parts.

Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction