Traditional Culture Encyclopedia - The 24 Solar Terms - Dimensions and specifications of common water pipes
Dimensions and specifications of common water pipes
The dimensions of common water pipes are dn15 = 4cm, dn20 = 6cm, DN25= 1 inch, DN32= 1 in2, DN40= 1.5 inch, DN50=2 inch and DN65=2.5 inch.
Water pipe specifications in China
The specifications of water pipes in China are based on the nominal diameter of legal units in China. For example, DN20 represents a galvanized water pipe with a nominal diameter of 20 mm.. The series of galvanized water pipes are: DN 15, DN20, DN25, DN32, DN4O, DN50, DN65, DN80, DN 100, etc.
Decorative piping system
The piping system of home decoration generally consists of water supply system, drainage system, gas system, heating system and other different piping systems.
feed water system
The water supply system is divided into cold and hot water systems, and the cold and hot water pipes cannot be in a water tank, because the water pressure of the cold and hot water pipes is different. If you enter a cylinder, the water pipe will be slightly damaged and leak, which needs maintenance.
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