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  • Certificate of calibration on 1986/87 NEL calibrations in water of thin orifice plates for the EEC 100 mm assembly using ISO and AGA pressure tapping specifications

Abstract

The six EEC orifice plates were calibrated in the 100 mm meter run in the NEL cold-water test facility, to check consistency with the initial testing in 1980 and 1983. Then the pressure tapping hole size of the flange tests was increased to the AGA maximum permitted size; the discharge coefficients were not found to be affected.

Additional information

Authors: SMITH D J M, National Engineering Laboratory, Flow Measurement and Turbomachinery Division, Glasgow (GB)
Bibliographic Reference: EUR 13755 EN (1991) 113 pp., MF, ECU 8
Availability: (2)
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