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pvc-u螺旋缠绕管的链接方式有哪些?

作者: admin    来源:http://www.laobingguandao.com  时间:2020-03-02    人气:
  管道连接是工程建设中一个非常重要的环节,直接关系到工程的质量。随着管道行业的快速发展,连接管道的方式也越来越多。
  Pipeline connection is a very important link in engineering construction, which is directly related to the quality of the project. With the rapid development of pipeline industry, there are more and more ways to connect pipelines.
  1. 螺纹连接
  1. Threaded connection
  2-3刀,螺纹应清晰、完整、光滑,无毛刺和缠丝。在线程中断或丢失的情况下,不超过线程总数的10%。螺纹也应满足装配公差的要求,锥度为1/16,以防止螺纹之间的松动或紧密配合。拧紧后,将2-3颗牙的螺丝尾露出来,将多余的填料去掉,露出的牙上涂上红铅,以防生锈。红漆刷宽度相同,涂布均匀,无流动、漏涂现象。
  2-3 cutter, the thread shall be clear, complete and smooth, without burr and winding. In case of thread interruption or loss, it shall not exceed 10% of the total number of threads. The thread shall also meet the requirements of assembly tolerance with a taper of 1 / 16 to prevent loosening or tight fit between the threads. After tightening, the screw tails of 2-3 teeth shall be exposed, the redundant packing shall be removed, and the exposed teeth shall be coated with red lead to prevent rusting. The width of the red paint brush is the same, the coating is even, and there is no flow or leakage.
  2. 法兰连接
  2. Flange connection
  法兰生产应该平法兰面,等于对角线长度,完整的焊缝,法兰螺栓孔和铆钉间距均匀,符合规范要求,法兰螺孔的四个角落,应该统一的螺栓法兰连接方向,长度应该是一致的,螺栓材料和相应风管。
  Flange production should be flat flange face, equal to the length of the diagonal, complete weld, flange bolt hole and rivet spacing evenly, meet the specification requirements, flange bolt hole four corners, should be unified bolt flange connection direction, length should be the same, bolt material and corresponding air duct.
  3.焊接连接
  3. Welding connection
  根据规范要求,坡口一般为v形,坡口角度为60-75°,间隙为2-3mm。内壁错边量不宜超过10%的壁厚,≯2毫米;错了外墙≯3毫米。
  According to the requirements of the specification, the groove is generally V-shaped, the groove angle is 60-75 °, and the gap is 2-3mm. The inner wall misalignment should not be more than 10% of the wall thickness, not more than 2 mm; the outer wall misalignment is not more than 3 mm.
  4. 槽连接
  4. groove connection
  检查管材的尺寸、圆度和制造质量,应符合沟槽生产的要求,按规定的时间和时间加工沟槽,并对沟槽的深度等尺寸进行复测。坡口加工不得损伤管道的镀锌层和内涂层。
  Check the size, roundness and manufacturing quality of the pipe, meet the requirements of groove production, process the groove according to the specified time and time, and retest the groove depth and other dimensions. The groove processing shall not damage the galvanized layer and inner coating of the pipeline.
pvc-u螺旋缠绕管
  5. 果酱连接
  5. Jam connection
  清洗插入口,标记插入深度。在指定的深度插入管道,保持轴线垂直。用专用夹具夹紧接头,夹紧后用量规检查夹紧尺寸。
  Clean the insertion port and mark the insertion depth. Inserts the pipe at the specified depth, keeping the grid line vertical. Clamp the joint with a special clamp, and check the clamping dimension with a gauge after clamping.
  6. 热熔连接
  6. Hot melt connection
  清洗热熔件和承插接头上标明的热熔深度。使用专用热熔机在规定的加热时间内对接头进行加热。加热后,按规定的压力和时间将接头熔合,在接头处形成均匀的焊接环。
  Clean the hot-melt depth indicated on the hot-melt parts and socket joints. Use a special hot-melt machine to heat the joint within the specified heating time. After heating, the joint shall be fused according to the specified pressure and time to form a uniform welding ring at the joint.
  7. 套接字连接
  7. Socket connection
  铸铁管连接前,应将影响承座密封性的杂物清理干净,正确放入橡胶密封圈内。根据施工标准,插入并保持两个部分的垂直度。
  Before connecting the cast iron pipe, the sundries that affect the sealing performance of the bearing seat shall be cleaned and put into the rubber sealing ring correctly. The perpendicularity of the two parts shall be inserted and maintained according to the construction standard.

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