ISA RP31.1-1977 PDF

Scope: These recommendations cover volumetric turbine flowmeters having an electrical output. The flowmeters are used to measure either flow rate or quantity of liquids@ and can be either self-generating or modulating. Their use in cryogenic fluids will require special considerations@ which are not fully described herein. Purpose This document establishes the following for turbine flowmeters@ especially those 2-inch diameter and smaller. Recommended minimum information to be specified in ordering. Recommended acceptance and qualification test methods including calibration techniques. Uniform terminology and drawing symbols. Recommended installation techniques.

ISA RP31.1-1977 history

1977 ISA RP31.1-1977 Specification@ Installation@ and Calibration of Turbine Flowmeters