Differential Pressure (DP)
Gauges - Switches - Transmitters
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Orange Research is a global leader in filtration, level and flow monitoring. Our rugged and reliable differential pressure gauges, flow meters, switches and transmitters are designed and manufactured in the U.S. and utilized in the most demanding environments.
Differential Pressure Introduction →
DP Selection Guide →
Piston vs Diaphragm Gauge →
Dial Cases & Options →
Applications →
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WARNING: Some of our products contain Nickel, a chemical known to the State of California to cause cancer. For more information go to: