First, the characteristics of the upvc tube 1. Lightweight: UPVC material has a specific gravity of only 1/10 of that of cast iron, which is easy to install and reduce costs. 2, superior chemical resistance: UPVC has excellent acid and alkali resistance, in addition to close to the saturation point strong acid or alkali or strong Oxidising agents atmaximun. 3, non-conductive: UPVC material can not be conductive, is not subject to electrolysis, current corrosion, should not require secondary processing. Can not burn, does not support combustion, no fire concerns. 4, easy to install, low cost: cutting and connecting are very simple, the use of PVC glue connection practice can be * safe, easy to operate, low cost. 5, durable: excellent weather resistance, can not be corrupted by bacteria and fungi. 6, the resistance is small, the flow rate is high: the inner wall is smooth, the fluid fluidity loss is small, the dirt is not easy to adhere to the smooth pipe wall, the maintenance is relatively simple, and the maintenance cost is low. Second, UPVC pipe installation method 1. Cutting of pipe: According to the requirements of use, after taking the length, use a hacksaw, a manual cutting saw, a small circular saw blade and other cutting tools to cut the required pipe. After cutting, the two ends should be kept vertically flat, and the burrs should be removed with a file to make the corners, but the angle is made, but Not too big. 2. Bonding of pipe and pipe fittings: UPVC pipe fittings should be assembled before bonding, determine the installation position and mark them. Wipe the pipe and pipe fittings with sandpaper or abrasive cloth and then scrub with cotton yarn with acetone. After the acetone is volatilized, connect the pipe fittings. Apply a layer of adhesive evenly with a brush and do not leak. The flat is inserted and transferred to the desired combination angle for installation. It can be tapped with a mallet to insert the tube into the socket. It can be fixed after about 2-3 minutes. At this time, it is forbidden to forcibly disassemble or turn the direction, otherwise it will cause leakage. After assembly, wipe off excess adhesive from the bond to keep the pipe clean. 3. Connection of the flared tube: First clean the inner wall of the flared tube and the outer wall of the straight tube insertion part, and rotate the rubber ring into the groove of the flared end (the end of the rubber ring has a slope), and then connect the apron to the insertion part of the straight tube. Apply a lubricant. Finally, the straight tube insertion end is aligned with the flared end. According to the construction site, the straight tube can be inserted into the marking position by the wire-receiving machine or the mixing machine, and the length of the flaring mark can be inserted into the straight tube to mark the length (the length should be shorter than the length). Flare length). Steel Pipe Lined With Ultra-high Molecular Weight Polyethylene Pipe
Cross helically wound steel wires reinforced-polyethylene composite pipe (SRCP) is a kind of composite metal plastic pipe with excellent overall performance. With excellent pressure bearing performance, good flexibility, long-term resistance to acid and alkaline corrosion and abrasion, it is suitable for long-distance underground pipes for water supply and drainage, slurry transportation and the like, especially for subsidence region such as mining area, river channel.
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