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How To Prevent PE Pipe Fittings Longitudinal Expansion
Nov 24, 2017

PE pipe fittings in winter or summer construction of the thermal expansion and contraction phenomenon, easily damaged PE pipe fittings, it must be to prevent PE pipe fittings longitudinal expansion and contraction.

PE pipe fittings should be serpentine laying in the trench, slightly curved arc, leaving a margin, and in the installation of PE pipe, as far as possible without a retractor or dual spool short tube instead of scaler. PE pipe fittings pier and town pier production, both sides should be synchronized with a one-time pouring of concrete to complete. The base of PE pipe fittings must be covered with fine sand and not less than 100 mm. After the PE pipe fittings are installed, the backfill work on both sides and the top of the pipe 500 mm must be backfilled and compacted, and the backfill compaction coefficient should not be less than 95%.

PE pipe fittings installed in hot weather, should be as far as possible at night until 8:00 in the morning before construction, the temperature is low, the appropriate contraction of the pipe backfill and the last interface meet, and must be rammed to prevent pipe expansion and contraction produced Large internal stress damage.


  • Contact Us

    Shandong Wenyuan Environmental Technology Co.,Ltd
    Add:Ai Village, Jinling Hui Nationality Town, Linzi Distract,Zibo City,Shandong Province, China.
    Tel:+86-533-2277785
    Fax:+86-533-2076888
    Ph:+8615053357718(Wechat)

    Skype:alice.chen73

    Whatsapp:008615053357718
    E-mai:alice@wenyuangroup.com

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