Dec 02,2020
What are the technical requirements for elbow sellers to produce elbows?
Under normal circumstances, the elbows sold by elbow sellers can be divided into 45°, 90°, 180°, etc. according to the angle. These three elbows are more commonly used, and according to The engineering needs also include other abnormal angle elbows such as 60°. The materials for producing elbows mainly include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.
Dec 25,2020
Briefly describe the correct maintenance method of the flange
Gaskets will leak after long-term use of the pipeline. When replacing the gasket, it is difficult to open the connecting flange. The simple self-made tool shown in Figure 8-6 can be used to force the two flanges apart. The number and diameter of the bolt holes on the adapter flange and the specifications of the connecting bolts are specified in the relevant adapter flange standards. The flange bolt holes are generally 2 to 3mm larger than the diameter of the bolt or stud.
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(500 meters west of Anqiu Toll Station on National Highway 206)
Tel：+86-536-6946199
Tel：+86-18953665511
Mail: Li@wtrwfhk.com zhang@wtrwfhk.com
