15230713671
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产品类型：Gb elbow
产品型号：168
产品厚度：sch40
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Gb elbow
GB elbow performance is large: long-term pressure performance, GB elbow from the design stress, GB stamping elbow pressure performance is strong.But due to various factors, the actual wall thickness of floor heating pipe is usually 2mm.And under this wall thickness, all kinds of pipes can meet the requirements of floor heating. The pressure resistance advantages of GB stamping elbow pipes can not be reflected: thermal conductivity;The tubes for permanent floor heating need to have good thermal conductivity.Low temperature heat resistance, PEX has good low temperature impact resistance.Winter construction pipe is not easy to be impacted and rupture, increase the flexibility of the construction arrangement.
GB elbow does not pollute the environment.
GB elbow connection is: direct welding or flange connection, the above connection is commonly used.
Elbow production standards: national standard, water standard, American standard, Japanese standard, Russian standard, etc.
Seamless elbow
What are the main production processes of seamless elbow in the production process and seamless elbow forming process?
Stamping method: seamless elbow in the production of the punch with a taper core to expand the tube end to the required size and form,
Forging method: seamless elbow in the production of the pipe end or part of the forging machine to be stretched, so that the outside diameter is reduced, commonly used forging machine has rotary, connecting rod, roller type.
Rolling method: seamless elbow is usually made without mandrel, suitable for thick wall tube inner edge.The core is placed in the tube, and the outer circumference is pushed by a roller for processing the circular edge.
Blowing method: seamless elbow in the production of a kind of rubber is placed in the pipe, the above with a punch contraction, so that the pipe protruding forming;The other method is hydraulic bulging, in which a liquid is filled in the middle of the tube and the pressure of the liquid bulges the tube into the desired form.
1502-1503.
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