Dwyer OP-N-1 Orifice Plate Flowmeter
The Dwyer OP-N-1 is a complete orifice plate flow metering package designed for accurate and reliable flow measurement in industrial applications. This flowmeter incorporates a stainless steel orifice plate with a unique holder or carrier ring that contains metering taps and integral gaskets, ensuring a leak-tight and corrosion-free installation. The OP-N-1 is engineered to replace conventional orifice plates and other primary differential producers, offering improved efficiency and cost-effectiveness.
Key Features & Highlights
- Complete Package: Includes stainless steel orifice plate, carrier ring, metering taps, and gaskets.
- Easy Installation: Slips between standard flanges; no special orifice flanges required.
- Standard Corner Tap Configuration: Ensures accurate pressure differential measurement.
- Corrosion-Free Material: Stainless steel construction for long-term reliability.
- Built-In Metering Taps: 1/4″ female NPT standard for easy connection.
- Wide Range of Sizes: Available from 1/2″ to 24″ line sizes.
- Proven Performance: Accurate and energy-efficient across various applications.
Applications
The Dwyer OP-N-1 is suitable for use with compatible liquids and gases in industries such as water treatment, HVAC, chemical processing, and more. It is ideal for flow measurement in pipelines where accurate differential pressure measurement is required.





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