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ISO 5167 – Part 4 Venturi Tubes

Monday, June 3, 2019 | Steve Clark

Part 4 of ISO 5167 covers three different manufacturing methods of classical Venturi tubes; as-cast, machined and fabricated.

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ISO 5167 – Part 3 Nozzles and Venturi Nozzles

Monday, June 3, 2019 | Steve Clark

Part 3 of ISO 5167 currently covers two types of standard nozzles, the 1932 ISA nozzle and the long radius nozzle as well as the Venturi nozzle which has the same upstream face as the 1932 nozzle but includes a divergent section similar to that of a conventional Venturi device.

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ISO 5167 – Part 2 Orifice Plates

Friday, May 17, 2019 | Steve Clark

Part 2 of ISO 5167 covers the most widely used differential pressure device of all, the orifice plate. It specifies the geometry and methods of use as well as performance coefficients and uncertainty expectations in detail.

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ISO 5167 – Part 1 General Principles and Requirements

Sunday, April 28, 2019 | Steve Clark

Part 1 of ISO 5167 covers the general principles of differential pressure flow meters in circular cross section conduits. It is an essential Part to read in conjunction with the more ‘primary device specific’ Parts 2 through to Part 6, since it identifies terms and symbols used throughout the whole standard.

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Origins of ISO 5167 - Measurement of Fluid Flow by Means of Differential Pressure Devices

Sunday, April 14, 2019 | Steve Clark

ISO 5167 is at the heart of the Solartron ISA flow metering product range. Formally introduced in 1980 it superseded the 1967 ISO R-541 standard for differential pressure flowmeters.

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