Pingdingshan cast iron drain pipe PVC drain pipe recent prices

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　　Pingdingshan cast iron drain pipe PVC drain pipe recent prices

　　According to the different forms of bridges, the daily maintenance work of the drainage system includes (1) if the drainage pipes and channels on the bridge deck are blocked, they should be promptly unblocked and kept unobstructed regularly. The lower end of the drainage pipe should be exposed 5-10cm above the bottom of the upper structure. (2) When the waterproof layer of the beam bridge is damaged, it should be repaired in a timely manner. The waterproof layer should be made of materials with good waterproof performance; When laying the waterproof layer, it should be carried out at a temperature not lower than+5 ℃. (3) The bridge deck should maintain a transverse slope of 1.5% to 3.0% to facilitate bridge drainage. (4) When the longitudinal slope gradient of the bridgehead junction is greater than 3%,In order to prevent a large amount of rainwater from leaking into the bridge deck from the bridgehead, it is advisable to set up intercepting ditches at the bridgehead (5). For closed drainage systems installed on urban bridges and overpasses, regular inspections should be conducted to ensure that all drainage pipes are unobstructed, cracked or damaged; Whether the facilities of the system, such as the pumping pump, are working properly, and if there is any blockage, they should be cleared in a timely manner. If there is any damage, they should be replaced in a timely manner. The total length of the circular drainage pipe is 420mm, with a straight pipe length of 320mm. The steel sleeve and grille cover are 10mm in total. The outer diameter of the horn mouth is 215mm, the inner diameter is 161mm, and the inner diameter of the circular drainage pipe at the bottom is 100mm. The individual weight ranges from 8kg to 18kg, with different specifications and prices. The price of the circular bridge cast iron drainage pipe varies between 70-150 yuan; The commonly used rectangular drain pipe is 600mm, with an outer diameter of 170mm and an inner diameter of 140mm. The inner diameter of the bottom outlet is 100mm; the price of rectangular bridge cast iron drain pipe is mostly around 100-300 yuan! The construction of circular drainage pipes should be carried out in accordance with the design requirements. The drainage pipes should protrude from the bottom of the structure by no less than 30mm and have a longitudinal spacing of no more than 4m. Since 2018, due to various factors such as coal import policies and the normalization of environmental production restrictions, the fluctuation of steel raw material prices has increased, posing great challenges to the stable operation and high-quality development of steel enterprises. In this context, more and more steel industry chain enterprises are participating in the market. Due to the impact of 2020, steel demand has been weak, inventory has risen, steel prices have declined, and companies are facing difficulties in recovering funds. Some steel companies are breaking through, and tools have enabled many companies to find new growth opportunities in this industrial capacity and survival battle.

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