The Dwyer Instruments OP-O-3 is a complete orifice plate flow metering package designed for accurate flow measurement in industrial processes. This Series OP flowmeter incorporates a stainless steel orifice plate with a unique holder or carrier ring containing metering taps and integral gaskets, ensuring precise and reliable performance. It is engineered for use wherever conventional flow orifice plates are applied, offering a cost-effective and efficient alternative to other primary differential producers.
Key Features & Highlights
- Complete orifice plate flow metering package with stainless steel orifice plate
- Unique holder or carrier ring with built-in metering taps (1/4 female NPT standard)
- Simplified installation: slips between standard flanges, no orifice flanges required
- Corrosion-free materials for long-term reliability and accuracy
- Available in line sizes from 1/2 to 24 inches
- Compatible with a wide range of liquids and gases
- Proven accuracy and energy efficiency across diverse applications
Applications
The Dwyer Instruments OP-O-3 is ideal for use in HVAC systems, industrial process control, and various fluid handling applications where accurate flow measurement is critical. It is suitable for both liquid and gas service, making it a versatile choice for engineers and plant operators seeking dependable flow metering solutions.





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