There are data on the chemical resistance of pipes depending on the transported fluid, the recommended size and the choice of the distance between the elements fixing pipes. All these factors must be considered in the design phase of the system of internal drainage.
For various sizes of pipes designed as fasteners PEX pipes, vacuum valves and vent cap for ventilated risers, transitions to an iron pipe.
Pipes of ASTO production “PEX Canada ‘have good sound insulating properties and resistance to hot water, and suitable for any non-pressure sewer pipes according to DIN EN 12056 and DIN 1986-100. PEX Pipes are available ASTO sizes from DN 56 to DN 200.