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Bourdon Tube Industrial Stainless Steel Gauge
■Intended for adverse service conditions where pulsating or vibration exists
■Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
■Suitable for gaseous or liquid media that will not obstruct the pressure system


Product Description

WISTOM is the industry-leading source of quality pressure and temperature measurement instrumentation for a wide range of industrial applications and processes.Our team of engineers possesses both the experience and knowledge to customize each design for your unique project needs. We have team of innovative problem solvers who pride ourselves in providing solutions tailored to our customer’s requirements, regardless of the degree of difficulty,fulfill all of your engineering needs.

Product features

  • Vibration and shock resistant (with liquid filling)

  • All stainless steel construction

  • Pressure ranges up to 15,000 psi (1,000 bar)


Sizes : 2½”& 4” (63 & 100 mm)

Accuracy class

2½”± 2/1/2% of span (ASME B40.100 Grade A)

4”: ± 1% of span (ASME B40.100 Grade 1A)


Vacuum / Compound to 200 psi (16 bar)

Pressure from 15 psi (1 bar) to 15,000 psi (1,000 bar) or other equivalent units of pressure or vacuum

Working pressure

2½”Steady: 3/4 scale value

Fluctuating: 2/3 full scale value

Short time: full scale value

Operating temperature

Ambient: -40°F to +140°F (-40°C to +60°C) - dry

-4°F to +140°F (-20°C to +60°C) - glycerine filled

-40°F to +140°F (-40°C to +60°C) - silicone filled

Medium: +212°F (+100°C) maximum

Pressure connection

Material: 316L stainless steel

Lower mount (LM) or center back mount (CBM) - 2½”

Lower mount (LM) or lower back mount (LBM) - 4”

1/4” NPT or 1/2” NPT limited to wrench flat area

Bourdon tube

Material: 316 stainless steel

≤1,000 PSI (70 bar): C-shape

>1,000 PSI (70 bar): Helical

Movement : 300-series stainless steel

Dial:White aluminum with black lettering; 2½”size with stop pin

Product quality and process control (man-machine material method and environmental measurement)

1. Raw material procurement and warehousing inspection: wistom strictly controls the procurement of various raw materials to ensure that the quality of raw materials meets the inspection standards. And professional technicians are responsible for warehousing inspection.

2. Production process control: the company is equipped with 5 high-pressure air compressors, dozens of professional commissioning platforms, multiple overpressure test platforms, multiple fatigue test platforms, multiple sets of precision piston pressure gauges, air tightness test platforms, spinning machines, oil filling equipment, laser marking machines and other professional production equipment to ensure high-quality and accurate production of products.


Q:Does the dealer have a preferential price?

A:Of course, dealers enjoy preferential prices. If you want to know the preferential prices of dealers, please contact us directl.

Q:Why choose for wistom ?


  • 1,000+ stocked products with fast global shipment

  • Excellent technical support & an online technical information center

  • Verified high-quality products at the most competitive online price

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