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Help Center3PE Anti-corrosion Bend/resin Powder Inner and Outer Plastic Coated Pipe Fittings/epoxy Powder Elbow
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Hot wound tape, heat shrink winding tape, mainly used for elbow, bend, tee and insulating flange and other special-shaped pipe fittings anti-corrosion and pipe layer damage repair, can also be used for anti-corrosion treatment of the whole pipeline. It is composed of radiation cross-linked polyolefin substrate and special sealing hot melt adhesive, which can form a good bond with polyolefin substrate, steel pipe surface and solid epoxy coating. During heating installation, while the substrate shrinks radially, the internal composite adhesive layer melts and covers tightly, forming a solid anti-corrosion body outside the pipeline. Elbow 3pe anti-corrosion butt welding large diameter elbow 3pe anti-corrosion Xiami waist elbow 1. Define the bending radius. 2. Make an angle ABC equal to 22.5 degrees (we assume that the corner tip is to the left), and the length of the two lines BA and BC exceeds the bending radius. 3. Take point B as the center of the circle, the bending radius as the radius arc, intersect BA at D4, take point D as the center of the circle, and the outer diameter of the pipe is the radius as a circle. 5. Starting from point 1, divide the circumference of the circle clockwise into 12 equal parts, mark each point, clockwise as point 1, point 3, point 4, point 5, point 6, point 7, point 2, point 9, point 10, point 11, point 126, connect point 12 and point 3 intersect BA at 13, and extend the intersection BC at b; point 11 and point 4 intersect BA at 14 and extend the intersection BC at c; point 10 and point 5 intersect BA at 15 and extend the intersection BC at d; point 9 and point 6 intersect BA at 16 and extend the intersection BC at e; Point 8 and point 7 intersect BA at 17 and extend the intersection BC at f. 7. The perpendicular line of BA at point 1 intersects BC at a; the vertical line of BA at point 2 intersects BC at g.8, at this time the line segments 1a, 13b, 14c, 15d, 16e, 17f, and 2g are the lines we need, and we call them 1 line, 2 lines, 3 lines, 4 lines, 5 lines, 6 lines, 7 lines in turn. 9. Draw a straight line segment equal to the outer diameter circumference of the pipe, and divide it into 12 equal parts, marking the equal equinox points, including a total of 13 points at both ends. 10. Line 1, line 2, line 3, line 4, line 5, line 6, line 7. Copy to each point. The positioning method is: 1. From left to right, there are 4 lines, 5 lines, 6 lines, 7 lines, 6 lines, 5 lines, 4 lines, 3 lines, 2 lines, 1 line, 2 lines, 3 lines, and 4 lines; 2. Each line should have a vertical circumference straight section; 3. The points 15, 16, 17, 2, 17, 16, 15, 14, 13, 13, 13, 14, and 15 of the corresponding line segments should be on the circumference straight line segment. 11. Smooth the connection point defgfedcbabcd. 12. At this time, the smooth curve, the 4 lines at both ends and the graphic formed by the circumference straight line segment are the pattern of the two sections of the elbow we want. 13. Draw another mirror image of the two sections of the elbow with the circumference straight line as the symmetry line in the plane, and the whole figure obtained is the middle section.
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