TERMIUM Plus®

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UNDERDRAIN NOZZLE [1 record]

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Record 1 2019-11-28

English

Subject field(s)
  • Water Treatment (Water Supply)
CONT

If on backwashing, the water breaks through the sand unevenly in jets or in one place, it is an indication that several of the underdrain nozzles are clogged, the gravel is uneven, or there are obstructions in the bed.

French

Domaine(s)
  • Traitement des eaux
CONT

Lorsqu'au cours du lavage, l'eau remonte irrégulièrement par jets ou en un seul point, c'est que plusieurs des orifices du collecteur sont colmatés, que le gravier est mal réparti ou que le lit est engorgé en plusieurs endroits.

Spanish

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