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. and utilized in the most demanding environments. Customers worldwide rely on us for rugged, reliable and cost-effective solutions.
Differential Pressure
Gauges, Switches & Transmitters
Reliable Magnetic Movement
No Mechanical Seals
150 psi – 7500 psig (10 bar – 517 bar) Line Pressures
Standard & Custom Configurations
Flow
Meters, Switches & Transmitters
Easy-to-Read Pointer & Dial Gauge
Industrial Quality
High Line Pressures to 5000 psi
Available With or Without Enclosures
Cryogenic Tank
Monitoring Solutions
Remote Tank Monitoring
Current or Voltage Outputs
High Pressures, Up to 1500 psi
Various Metals Available
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 →
View All Industries and Applications →
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.
Contact Us About Our Custom Solutions →
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.
View Technical Articles and Resources →
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: