Standard

AWWA C701

Revidert

Merknad: Denne standarden har en ny utgave: AWWA C701

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Omfang

This standard describes the various classes of cold-water turbine meters in sizes ¾ in. (20 mm) through 20 in. (500 mm) for water supply customer service and the materials and workmanship employed in their fabrication. The turbine meters described in this standard are divided into class I and class II meters. Both classes of meters register by recording the revolutions of a turbine set in motion by the force of flowing water striking its blades. Class I. Class I meters are the vertical-shaft and low-velocity, horizontal-shaft models. Class II. Class II meters are the in-line, horizontal-axis, high-velocity-type turbines characterized by lower head loss and a wider normal operating flow range than class I models.

Dokumentinformasjon

  • Standard fra AWWA_AC
  • Publisert:
  • Versjon: 0
  • Varetype: IS