Orifice Flow Meters
Engineered Orifice Flow Meters for Flexible, Cost-Effective Flow Measurement
PFS offers orifice flow meters for reliable, economical measurement across a wide range of clean liquid, gas, and steam applications.
As one of the most widely used differential flow technologies, orifice meters offer a practical solution for many process conditions. With options such as orifice plates, flange unions, and holding block technologies, they support a range of piping arrangements while allowing for straightforward replacement and lower upfront cost.
Cost-Effective Flow Measurement
Offers an economical measurement solution with low initial capital cost for many standard clean fluid applications.
Flexible Installation Options
Multiple primary elements, union, and meter run configurations help accommodate different piping schemes and project requirements
Easy Replacement & Serviceability
Orifice-based designs support straightforward plate replacement and practical long-term maintenance.
Orifice Plates (OP)
Flow Measurement / Flow Restriction
+/- 0.5-0.75% Uncalibrated Uncertainty
Clean Liquids & Gases, Lower Cost
- Line Size: ½” to 48” standard (special sizes available)
- Recommended Pipe Reynolds number: Greater than 10,000
- Meets ISO, AGA, ASME, API requirements
Orifice Unions (OU)
+/- 0.5 to 0.75% Uncalibrated Uncertainty
Lower Cost, Field Welded Install
- Line Size: ½” to 40”
- Meets ISO, AGA, ASME, API requirements
- Flange Taps / Corner Taps
Orifice Meter Runs
+/- 0.5 to 0.75% Uncalibrated Uncertainty
Liquids & Gases, Pipe Spools Included
- Honing available
- Supplied with any combination of NDE required
- Meets ISO, AGA, ASME, API requirements