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Applicable manufacturing standars


Asbestos cement pipe, for general plumbing requirements in Drain, Waste and Vent ( DWV ) systems, is made according to the following standards:
  • CSA (Canadian Standard Association) B-127.1-99 ("Drain, Waste and Vent Systems")
  • CGSB (Canadian Government Specifications Board) 34-GP-22M ( Standard for: Pipe, Asbestos-Cement, Drain )
Types of pipe existing in categorie " DWV ":
  • The type 1, (pipe from 200 to 600 Ø, or of 8 " in 24 " Ø) classifies 3000
  • The type 2, (pipe from 75 to 150 Ø, or of 3 " in 6 " Ø) classifies 4000
The numbers identifying the above-mentioned classes correspond to the load, in pound by linear foot, which a sample of pipe can resit under three-edge bearing test.
  • Type 1: 3000 lbs in the linear foot, or 44 kN / m
  • Type 2: 4000 lbs in the linear foot, or 58 kN / m