Metaval’s Orifice Flange Assemblies and associated differential pressure flow solutions are precision-engineered to suit diverse flow conditions across industries. Designed to meet stringent global standards, these assemblies ensure accurate, reliable, and repeatable flow measurement for liquids, gases, and steam.
½” to 24” (larger sizes on request)
ANSI 150# to 2500#
ISO 5167 / ASME B16.36 / ISO/TR 15377
Flange, Corner, D-D/2, Vena Contracta
≤0.5% of measured flow
Available with single or multi-tapping configurations.
Noise, vibration, and erosion control in critical service through multi-stage ROA and multi-hole OFA.
±0.5% to ±2% depending on design
Horizontal or Vertical pipelines
Design Standards: ISO 5167, ISO/TR 15377, ASME B16.36, ASME B16.5, AGA-3, RW Miller
Size Range: ½” to 24” (larger sizes on request)
Pressure Rating: ANSI 150#, 300#, 600#, 900#, 1500#, 2500#
Flange Types: RF, RTJ, FF
Plate Material: SS304, SS316, Duplex 2205, Monel 400, Custom Alloys
Flange Material: Carbon Steel, SS316, Duplex, Monel, etc.
Available with alignment pins, jack screws, and gasket options
Custody Transfer and Fiscal Metering
Oil & Gas Pipelines
Steam and Condensate Lines
Power Generation
Petrochemical and Refining Plants
Chemical Processing
Water & Wastewater Treatment Plants
ISO 9001:2015 | ISO 14001:2015 | ISO 45001:2018
PED 2014/68/EU – Pressure Equipment Directive
ASME B31.3 for Pressure Piping
ILAC-MRA & NABL ISO 17025 Certified Calibration (optional)
In-house NDT, Hydrostatic Testing, and Inspection Available
Get in touch with our team for additional information on product pricing, technical data, project support and more.
