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• Standard Mounting Options: LM, CB and U-Clamp
• Brass or Stainless Steel
• Glycerine Filled

Marsh Instruments Liquid-Filled Gauges are designed to perform in rugged applications and harsh environmental conditions – especially where pulsation and vibration are a problem. Liquid Filled Gauges offer a significant cushioning and dampening effect, reducing pointer flutter and internal gauge damage; also lubricating the internals, and reducing corrosion. All stainless steel Liquid Filled Gauges feature a ventable top fill plug for pressure relief and ease of venting after installation. Pressure ranges are available through 10,000 psi, with high pressure ranges offering a Helical Bourdon Tube for longer gauge life and increased durability. The hermetically sealed construction reduces the chance of leaks, and makes field filling an easy option. Typical applications include refineries, chemical plants, offshore platforms, oil rigs, marine applications, general industrial application and OEM processes.

Specifications:

• ACCURACY
• ASME Grade B 3/2/3% (2% of range across middle half of scale) CASE SIZES 63mm (2.47) diameter
• CASE MATERIAL 304 Stainless Steel
• CASE STYLE
• Rolled ring, hermetically sealed case
• CB Center Back Mount
• LM Lower Mount
• UC U-Clamp Mount
• TUBE & SOCKET Copper alloy or 316 stainless steel
• MOVEMENT Brass
• CONNECTION 1 4 NPT
• RANGES
• 0 to 30 Hg VAC;
• Compound 30 Hg to 400 psi;
• 15 to 10,000 psi
• DIAL STANDARD Dual scale psi and kPa
• DIAL COLOR Black markings on white
• POINTER Aluminum, black painted
• WINDOW Polycarbonate
• FILL MEDIUM Glycerine Standard
• RESTRICTOR Standard for all ranges
• VENT PLUG Rubber plug with snip-off feature Weight Filled 1.0 lb. Dry 0.7 lb.

Also See:

• Marsh Bellofram Diaphragm Gauge
• Marsh Bellofram Severe Service Gauge – 2.5″ / 63mm Face, Liquid Filled, 1/4″ NPT Bottom Mount
• Marsh Bellofram Severe Service Gauge – 2.5″ / 63mm Face, Liquid Filled, 1/4″ NPT Lower Back U-Clamp
• Marsh Bellofram General Gauge – 2″ Dial, 1/4″ NPT Center Back Mount
• Marsh Bellofram General Gauge – 2-1/2″ Dial, 1/4″ NPT Bottom Mount
• Marsh Bellofram Precision Gauge

Resources:

• Marsh Bellofram 63mm Severe Service Gauge Datasheet
• Marsh Bellofram Product Memorandom in relation to California Proposition 65

0 to 15 in H2O (vacuum) 250LPB-15WV 251LPB-15WV 0 to 32 in H2O (vacuum) 250LPB-32WV 251LPB-32WV 0 to 55 in H2O (vacuum) 250LPB-55WV 251LPB-55WV 0 to 100 in H2O (vacuum) 250LPB-100WV 251LPB-100WV 0 to 15 in H2O/oz (pressure) 250LPB-15WO 251LPB-15WO 0 to 32 in H2O/oz (pressure) 250LPB-32WO 251LPB-32WO 0 to 55 in H2O/oz (pressure) 250LPB-55WO 251LPB-55WO 0 to 100 in H2O/oz (pressure) 250LPB-100WO 251LPB-100WO 0 to 200 in H2O/oz (pressure) 250LPB-200WO 251LPB-200WO 0 to 5 psi/kPa (pressure) 250LPB-5PSI 251LPB-5PSI 0 to 10 psi/kPa (pressure) 250LPB-10PSI 251LPB-10PSI 250 LPB 250LP