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
With over 50 years of industry experience, we have developed a deep understanding of our customers’ needs and challenges. This collection brings together practical technical insights, application guidance, and troubleshooting tips designed to help you find solutions quickly and confidently.
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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: