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4 Cards in this Set

  • Front
  • Back

What are the factors affecting pressure loss

Internal diameter of hose


Output flow of water


Height above/below pump (metres)


Length of hoseline

What is the calculated pressure loss for a length of 45mm hose

1 bar

What is the calculated pressure loss for a length of 70mm hose

0.2 bar

What is the calculated pressure loss for elevation

0.1bar/metre - calculated on 0.3 bar per floor