管道壁厚的增加直接帶來的性能的提升，PVC水管咨詢，比如：工作壓力增大，剛性增強(qiáng)，PVC水管加盟，線性膨脹系數(shù)降低，耐溫性能提高等等。

The increase of pipe wall thickness directly improves the performance， such as the increase of working pressure， the increase of rigidity，PVC水管品牌， the decrease of linear expansion coefficient， the improvement of temperature resistance and so on.

PPR管格與管件連接端面必須清潔、干燥、無油。

用卡尺和合適的筆在管端測(cè)量并標(biāo)繪出熱熔深度，熱熔深度應(yīng)符合下表規(guī)定：

熔接彎頭或三通時(shí)，按設(shè)計(jì)圖紙要求應(yīng)注意其方向，在管件和管材的直線方向上，用輔助標(biāo)志標(biāo)出其位置。

The connecting end face of PPR pipe lattice and pipe fittings must be clean，渝中區(qū)PVC水管， dry and oil-free.

Measure and plot the hot melt profundity at the pipe end with a caliper and a suitable pen. The hot melt profundity shall meet the requirements of the following table:

When welding elbows or tees， the direction could be noted according to the requirements of design drawings， and the place shall be marked with auxiliary marks in the straight direction of pipe fittings and pipes.

ppr 管材與鋼管法蘭連接

大口徑的 ppr 管材，比如DN 110以上，可以通過法蘭與鋼管進(jìn)行機(jī)械連接，只需要將法蘭上的螺絲擰緊即可。

Flange connection of PPR pipe and steel pipe

Large diameter PPR pipes， such as DN 110 or above， can be mechanically connected with the steel pipe through the flange， and only need to tighten the screws on the flange.

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