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Technical standard for tee pipe fitting

Technical standard for tee pipe fitting

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  • Time of issue:2020-12-07 13:36
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(Summary description)The production of tee pipe fittings is carried out in accordance with certain technological methods and principles to ensure good production quality and guarantee in actual use.

Technical standard for tee pipe fitting

(Summary description)The production of tee pipe fittings is carried out in accordance with certain technological methods and principles to ensure good production quality and guarantee in actual use.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2020-12-07 13:36
  • Views:
Information

The production of tee pipe fittings is carried out in accordance with certain technological methods and principles to ensure good production quality and guarantee in actual use. The geometric dimensions of tee pipe fittings include outer diameter, inner diameter and wall thickness. It is the requirement to pack, to small pipe fitting, be like exit, need to do wooden case, about 1 cubic meter, stipulate the quantity of tee pipe fitting in this kind of box cannot exceed 1 ton about, this standard allows suit, namely big set is small, but total weight cannot exceed 1 ton commonly. For large items, a single package is necessary, as for the 24 package. In addition is the packaging mark, mark is to indicate the size, steel number, batch number, manufacturer's trademark. Steel seal should be put on the tee pipe fitting, and packing list, warranty and other documents should be attached. Controlling the radius of curvature is also required. For example, if the radius is 1.5D, then the radius of curvature must be within the required tolerance.

The production technology of tee pipe fittings is also basically like this. According to the tee pipe fittings of different specifications for cutting. Sand blasting should be done after blanking, and the surface iron oxide should be removed before forming. The forming method is hydraulic bulging. There is a mold, the bottom of the mold is straight, the top flange hole. After the pipe is put in, the pipe is fixed with the hydraulic cylinder, the two sides are filled with liquid to bulge inward, squeeze the pipe into a "convex" shape, and then cut the bulge from the appropriate place, also make a groove. It goes through two shot peening treatments. Because of the processing process, there is work hardening, so also need heat treatment. The production process flow of tee pipe fitting is such a situation.

Since most of the tee pipe fittings are used for welding, in order to improve the welding quality, the end is turned into a groove, leaving a certain Angle, with a certain edge, this requirement is also more strict, the edge thickness, Angle and deviation range are specified, the geometric size than the pipe fittings many items. The surface quality and mechanical properties are basically the same as those of the pipe. For the convenience of welding, the steel type is the same as that of the connected pipe. It is that all the tee pipe fittings should go through the surface treatment, the inner and outer surface of the iron scale through shot peening treatment spray off, and then coated with anti-corrosion paint. This is both for export purposes and for domestic purposes as well as to facilitate transportation and prevent corrosion and oxidation.

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