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  • 11052025
    How to turn HDPE double wall corrugated pipe
    How to turn HDPE double wall corrugated pipe
    Detailed explanation of HDPE double-wall corrugated pipe turning method, using elbow well fittings to connect, master th...
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  • 11052025
    How to block HDPE double wall corrugated pipe
    How to block HDPE double wall corrugated pipe
    Understand the sealing method of HDPE double-wall corrugated pipe and master the use skills of pipeline sealing airbag. ...
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  • 05052025
    How to connect HDPE double-wall corrugated pipe if it is broken?
    How to connect HDPE double-wall corrugated pipe if it is broken?
    This paper introduces the connection method of the heat shrinkable belt after the fracture of HDPE double-wall corrugate...
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  • 05052025
    How to control the elevation of HDPE double-wall corrugated pipe?
    How to control the elevation of HDPE double-wall corrugated pipe?
    Explain the HDPE double-wall corrugated pipe elevation control method in detail, covering the basis of design calculatio...
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  • 05052025
    How to repair HDPE double wall corrugated pipe
    How to repair HDPE double wall corrugated pipe
    This paper introduces the repair methods of small holes and cracks in HDPE double-wall corrugated pipes, explains the re...
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  • 05052025
    How to sample HDPE double-wall corrugated pipe, sampling method of HDPE double-w
    How to sample HDPE double-wall corrugated pipe, sampling method of HDPE double-w
    The sampling method of HDPE double-wall corrugated pipe is introduced in detail, covering the sampling points according ...
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  • 05052025
    What materials are there for double wall corrugated pipes?
    What materials are there for double wall corrugated pipes?
    Detailed introduction of a variety of materials of double-wall corrugated pipes, covering common HDPE, UPVC, steel belt ...
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  • 05052025
    Is HDPE double wall corrugated pipe UV resistant?
    Is HDPE double wall corrugated pipe UV resistant?
    Answer whether HDPE double-wall corrugated pipe is resistant to ultraviolet rays, analyze the protection principle of ul...
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  • 05052025
    What is the role of adding carbon black to HDPE double-wall corrugated pipe?
    What is the role of adding carbon black to HDPE double-wall corrugated pipe?
    Demystify the effect of adding 2% - 3% carbon black to HDPE double-wall corrugated pipes, including anti-ultraviolet ray...
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  • 05052025
    How to repair the broken bellows?
    How to repair the broken bellows?
    Answer the repair method of broken and rotten bellows, covering the overall replacement, repair welding, pipe hoop conne...
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  • 05052025
    What is the reason for the failure of the double-wall corrugated pipe closed wat
    What is the reason for the failure of the double-wall corrugated pipe closed wat
    Analyze the source of leakage in the closed water test of double-wall corrugated pipes, cover the installation of socket...
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  • 05052025
    What does B refer to in structural winding wall B-shaped pipe?
    What does B refer to in structural winding wall B-shaped pipe?
    Analyze the meaning of "B" in the B-type pipe of the winding wall of the structure. According to the ISO standard, B-typ...
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