Differential Pressure Gauges-Bellow Type



  • Bellow type construction
  • Reference Standard: EN - 837
  • All SS internals
  • Chemical seal unit (optional) for process suitability
  • Accuracy ±1% FSD
  • A set of two stainless steel bellows mounted on a force balance enables direct reading of the actual differential pressure
  • Each Bellow of the pressure Gauge can withstand the full static pressure without any damage or shifting being caused to the instrument 

  • Specifications
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Dial 150 mm, aluminium, white background,
black markings
Case SS304 / SS316 with bayonet bezel
Protection Weatherproof to IP-68 (IS:13947 part I / IEC:60529)
Window Safety glass (Shatter proof / Toughened glass)
Pointer Light weight, micrometer adjustable
Sensing Element Bellow
Sensing Material & Wetted parts SS316 / SS316L / Monel / Hastelloy-C
Movement SS304 / SS316
Connection ½" NPT (M) as standard (other on request)
Range Minimum 0 to 1000 mm WC; Higher range as per customer requirement
Static Pressure Upto 60 kg/cm2g, Higher Static Pressure on request
Accuracy ±2% FSD
Blow out disc Provided (top of the case)
Temperature suitability Ambient (-)20°C to 60°C, Media 100°C
Temperature Effect Within ±0.4% FSD/10°C, when temperature changes from reference temperature of 20°C
Option Chemical seal units with Capillary
Liquid filled case
External Knob for zero setting