Bourdon tube differential pressure gauge
4503 / 4906 / 4901 series
Stewart-Buchanan Gauges
Differential Stainless Steel pressure gauge
Differential pressures are commonly used in industrial process systems. Differential pressure gauges have two inlet ports, each connected to one of the volumes whose pressure is to be monitored. In effect, such a gauge performs the mathematical operation of subtraction through mechanical means, obviating the need for an operator or control system to watch two separate gauges and determine the difference in readings.
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