How to correctly compare the performance of GB elb

How to correctly compare the performance of GB elbow and stamping elbow

The performance of the GB elbow is the long-term pressure performance. From the design stress, the pressure performance of the GB stamping elbow is improved.But due to various factors, the actual wall thickness of floor heating pipe is usually 2mm.And all kinds of pipes made of this wall thickness can meet the requirements of floor heating, and the pressure resistance advantage of the GB stamping elbow pipe cannot be reflected.

Thermal conductivity: The tubes used for floor heating shall have a marked thermal conductivity.

Low temperature shock resistance: P-E-RT and PEX have better low temperature shock resistance.In winter construction, the pipe is not easy to be broken by punching, which increases the flexibility of construction arrangement.

The environment of the elbow is also greatly improved: PE-RT can be recycled, and does not pollute the environment.And PEX can not be recycled will produce secondary pollution.

Machining performance stability of elbow: PEX has problems such as controlling cross-linking degree and cross-linking uniformity. Machining is complex and directly affects pipe performance.

Carbon steel elbow how to manufacture standard

Carbon steel elbow manufacturing standards: national standard, American standard, Japanese standard, German standard, Russian standard.The wear of GB elbow has always been a factor affecting the production of civilization, with the continuous development of science and technology, and continuous innovation.Cast stone, cast steel, welding and other materials have appeared.

Hot push bend deformation characteristics is depending on the rules of the metal material volume before and after plastic shaped pipe diameter, concluded that chooses the pipe diameter less than bend diameter, through core clubs of billet deformation process, the arc was tight spot metal activity, counter to other parts of the thinned by expanding, then get the wall thickness of the elbow.The forging press should have good rigidity, and the movable beam and piston should have good guiding accuracy to ensure the precision of the forging.

The application range of butt welding, butt welding is widely used because of its high production efficiency and easy automation.Manufacturer commonly used seamless elbow forming process are hot push, stamping, extrusion and so on.Seamless elbow has long service life.

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