The Differential Pressure People
Orange Research is a global leader in filtration, level and flow monitoring. Our differential pressure gauges, flow meters, switches and transmitters are designed and manufactured in the U.S.A and built to perform in the most demanding environments. With more than five decades of proven expertise, we deliver rugged, reliable and cost-effective solutions trusted by customers worldwide.
When you contact Orange Research, you’ll talk directly with knowledgeable people, not a call center. Give us a call to discuss your application and partner with a leading differential pressure gauge manufacturer today.
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See Why Engineers & OEMs Trust Orange Research
Industries & Applications
Orange Research products can be found in dozens of applications and industries. View our popular applications to match your needs to our solutions.
Hydraulic Filter Condition Gauges →
Differential Pressure Filter Monitors →
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OEM Solutions
Orange Research offers a wide variety of standard & custom instruments that can seamlessly integrate into your existing product. Let us design something that has only the features you need, and at the right price.
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Tech Info
In our 50 years, we have gained a deep knowledge of our customers’ needs and we are able to share them with you. Technical, application & problem solving tips are available in this easy-to-read collection.
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Product Catalog
Check out our catalog for more information on our differential pressure, and flow products including specifications, features, and more.
WARNING: Some of our products contain Nickel, a chemical known to the State of California to cause cancer. For more information go to: