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The technical requirements of pipe fittings
Source :本站   Time:3/10/2015 9:32:01 PM   hit:

  The following are the technical requirement or technical data of pipe fittings :

  Geometry size including outside diameter, inside diameter and wall thickness. Also require control curvature radius. Such as the length of the radius of 1.5 d, then the radius of curvature must be within the tolerance range of required. Because most of these pipe fittings are used for welding, in order to improve the welding quality, end car into groove, leave a certain Angle, with a certain edge, this one is more strict, how thick, Angle deviation range has a regulation, for how much and a lot more than pipe item geometry size. The same is the surface quality and mechanical properties of the basic and the pipe. For convenient welding, and thesame is the connected the pipe steel grade. Fourth, the all the pipes must be dealed with after surface treatment, the internal and external surface of iron oxide by shot blast spray drop, then coated with anticorrosive paint. This is both for export purpose, moreover, for the convenience of transportation, we have to prevent corrosion in domestic. Fifth, the requirement for the packaging, for a small fitting, such as export, you need to do the wooden case, about 1 cubic meters, the specified number of bend in this case about no more than a ton, the standard allows suit, namely large sets of small, but the total weight not more than 1 ton. For bulk will be a single package, like 24 “must be a single package.Another is the packing mark, mark is to indicate the size, steel grade, batch number, trademarks, manufacturer. Steel seal on fitting to play, and accompanied by the packing list and warranty document.

  Hebei holy day pipe group co., LTD. Co., is engaged in the production and service parts supply, we have the ability to produce all kinds of pipe fittings.Our main products are elbow, T-shirt, bend, reducer, cap, flange and socket.We've been in this line for about 20 years.Our products are exported to many countries and regions in southeast Asia, the Middle East, Europe and the United States.Our products enjoy good reputation both at home and abroad market.

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