PE gas pipe execution standard: GB15558.1-2015
1. Good sanitary performance: no heavy metal salt stabilizer is added during processing of PE pipe, the material is non-toxic, no scale layer, no breeding bacteria, and it can solve the secondary pollution of urban drinking water.
2. Excellent corrosion resistance: Except for a few strong oxidants, it can withstand the corrosion of various chemical media; no electrochemical corrosion.
3. Long service life: Under rated temperature and pressure conditions, PE pipes can be used safely for more than 50 years.
4. Good impact resistance: PE pipe has good toughness and high impact strength. Heavy objects directly press through the pipeline, which will not cause the pipeline to rupture.
5. Reliable connection performance: The strength of the PE pipe hot-melt or electric fusion interface is higher than the pipe body, and the joints will not be disconnected due to soil movement or live load.
6, good construction performance: light weight pipeline, simple welding process, convenient construction, low overall engineering cost.
1. Electric heating fusion: use special electric welding machine to connect straight pipe and straight pipe, straight pipe and pipe fittings. Generally used for tubes below 160mm.
2. Hot-melt butt connection: It is connected by a special butt welder pipe, which is generally used for pipes above 160mm.
3. Steel-plastic connection: flanges, threaded fasteners and other methods can be used for connection.
4. In order to facilitate construction and ensure construction quality, corresponding tools should be prepared.
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