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Bourdon Tube Pressure Gauge

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Bourdon Tube Pressure Gauge

All Stainless Steel Construction, Panel Builder Gauge
Model No: 233.55

Equipped with socket restrictor and glycerine filled case

Off-set case liquid filling port

LBM process connection

Crimped tamper-proof bezel ring

Design ASME B40.100

Size 2½” (63mm)

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

Bourdon Tube Material: 316L Stainless Steel 30“ Hg (Vac) to 1000 PSI C-type 1500 PSI to 20,000 PSI helical type

Socket Material 316Ti 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

Scale ranges (all ranges not stocked) Vacuum/Compound to 30“ HG/0/200 PSI Pressure from 15 PSI to 20,000 PSI or other equivalent units of pressure or vacuum

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

Operating Temperature Ambient: -4°F to 140°F (-20°C to 60°C) Note 1 Media: 212°F (+100°C) maximum

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.

Weather protection Weather-tight (NEMA 4X/IP 65)

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

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

Panel builder and control industry

Suitable for corrosive environments with 316 stainless steel wetted parts

Used in gaseous and liquid media