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 )

One type of pipe exist in categories " DWV ":

• The type 2, (pipe from 75 to 600 Ø, or of 3 " in 24 " 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 2: 4000 lbs in the linear foot, or 58 kN / m