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The six EEC thin orifice plates were dimensionally checked before and after flow calibration tests were carried out in the NEL cold-water test facility. No measurable changes were found in the flatness, surface texture and concentricity of the plates, but the edge radii had increased slightly.

Additional information

Authors: NATIONAL ENGINEERING LABORATORY, National Engineering Laboratory, Engineering Metrology Business Centre, Glasgow (GB)
Bibliographic Reference: EUR 13731 EN (1991) 16 pp., MF, ECU 4
Availability: (2)
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