Industrial Process Pressure Gauge – Vetrix VPG Series

Features

  • High dynamic load
  • Rugged construction
  • Low wear
  • Versatile applications
  • Reducing of stocking costs
  • Low weight
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The time proven system technology of the glycerine pressure gauges has been integrated in a new stainless steel case with modern design. The glycerine filling of the case protects the measuring system against wear by pulsating pressures and mechanical vibration; at the same time it provides lubrification of the moving parts. The glycerine pressure gauges are suitable for gaseous and liquid media that do not corrode copper alloys. The pressure gauges are equipped with a pressure compensating diaphragm. This diaphragm avoids a pressure rise in the case that is due to temperature bound volume expansion of the liquid filling, thus avoiding indicated errors.

Application

  • Food Industry
  • Chemical Industry
  • Shipyards
  • Water Treatment
  • Waste Water
  • Power Plant
  • Hydraulics
  • Pumps
  • Compressors, High Pressure Cleaning Devices

Specification

Model VPG Options
Nominal Size 63 / 100 / 150 –
Accuracy class 2.5” is 1.6%, 4” is 1% –
Ranges 0…1 bar to 0…1000 bar –
negative or positive or negative and positive gauge pressure
Application Constant load: 3/4 x full scale value –
Alternating load: 2/3 x full scale value
Overpressure protection full scale value –
Case Stainless steel 1.4301 bright Polished
Bezel Stainless steel 1.4301 bright –
Mounting None Front flange, stainless steel
polished, triangular bezel,
polished stainless steel
Window Plexiglass Trogamid T
Dial Aluminium, white, scale and imprint black Dual scale
Pointer Aluminium, black red max pointer
Movement CuZn-alloy –
Measuring element Copper alloy up to 40 bar Bourdon tube; above 60 Bar: –
helical tube; stainless steel 1.4571   400 bar helical tube
Thread
– position
– thread		 CuZn-alloy above ⁄4” BSP/NPT; ⁄2” BSP/NPT | back,central Other threads on request
Liquid filling Glycerine < 2.5 bar 86.5%, 2.5 bar 99.5% –
Temperature
– Medium
– Ambient		 Tmin. -25°C, Tmax. 80°C
Tmin. -25°C, Tmax. 60°C		 –
Temperature drift 0.3%/10K if deviation from normal temperature 20°C –
Protection IP 65 to EN 60 529/IEC 529 –
Orifice – Ø 0.3; Ø 0.4; Ø 0.8 Brass
Weight approx. 0.21 kg –

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