Dp Gauge
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Working Principle:
The pressure chamber consist of two stainless steel diaphragms, mechanically linked by rigid connecting rod. To compensate for high static pressures, the cavity between the two diaphragms is filled with hydraulic fluid (silicon oil).
When equal pressure is applied on both diaphragms, they are at zero position. When there is a difference in pressures acting on the two diaphragms, they are deflected away from the high pressure side, towards the lower pressure side, causing a displacement of the connecting rod.A precision mechanism translates the linear displacement of the diaphragm connecting rod to angular movement of the gauge’s dial pointer. The connecting rod has intermediate flanges on either side, which protects the diaphragms against excess differential pressure.
Key Features:
High corrosion resistant, due to stainless steel diaphragm
Robust, wear-resistant movement
Rinseable pressure chamber, insensitive to dirt
Overpressure protected upto 250 bar
Key Specifications:
Measuring range: 0~ 60 mbar to 0 ~ 400 mbar, 0~0.6 bar to 0~25 bar, 0~40 kPa to 0~1600 kPa
Max pressure load: PN 250, PN 400 (range > 0.6 bar)
Operating temperature: Ambient: -20°C to +80°C; Media: -20°C to +80°C
Protection class: IP54 per DIN EN 60529
Accuracy: +/- 1.6% full scale
Measuring system: Pressure chamber chrome-nickel-steel 1.4404 / AISI 316L/ Standard diaphragm
Pressure chamber material: 1.4404
Pressure transfer liquid: Silicon oil
Circular dial type 100 or 160 mm diameter indicator
Industrial areas:
Manufacturing and chemical plants
Onshore and offshore area
Petrochemical, solvent industry
Sewage, effluent treatment plants
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