Dimension ratio is an important but often misunderstood concept for PVC pipe. Some of the confusion arises because of the use of both “Dimension Ratio” (DR) and “Standard Dimension Ratio” (SDR) in product standards. Mathematically, the concepts are simple:
Read MoreBuried pipes are protected from sunlight during their service life, but in the period prior to installation, at the manufacturer’s storage facility, the merchant’s yard, or on the intended site, any pipes and fittings left exposed are subject to weathering. The impact that this has will depend on th......
Read MoreThe head of PE pipe equipment adopts the most advanced basket head or spiral split pipe extrusion compound head design, which is convenient for adjustment and uniform material extrusion. The sizing sleeve adopts unique slotting process and water ring cooling to ensure the forming accuracy of pipes.
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