Drain is used for drainage, such as drainage, rainwater drainage and other residential real estate projects. Drain pipe itself no pressure, no pressure, and no requirement for health indicators, if you want to distinguish the pipe quality good or bad, it depends on the toughness and tensile properties.
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| water supply pipe |
Water supply, water supply used to do is self-evident, of course, there are some for irrigation, drainage and the biggest difference lies in the need to be able to withstand the pressure, if it is for a water supply project is concerned, we still need health indicators, non-toxic and pollution-free detection indicators.
Very different, tubing and connections work pressure and hygiene standards are not the same, the drainage must not be used for water supply, but water you can use to do the drainage, but a lot more expensive.
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