First, butt welding plastic pipe
1 , especially a solid composite pipe welded longitudinally welded aluminum intermediate layer between the substrate within high complex contracts the outer material , the medium density polyethylene , aluminum and polyethylene hot melt adhesive to using extrusion molding step is made .
Special solid welded aluminum composite pipe combines the advantages of metal and plastic pipe , and remove their disadvantages. Special solid laser welded aluminum pipe reasonable structure , excellent physical and chemical properties , high technology content , economical, clean and hygienic , installation is extremely simple, and lower total cost . Traditional metal pipe weight , short life, easy to rust , easy bleeding , shortcomings and easy scaling ; special solid plastic composite pipe welded plastic pipe to overcome the pure strength, resistance to mechanical shock, bleeding light oxygen ( breeding microorganisms ) , etc. defects in special solid welded plastic composite pipe for its excellent performance undisputed architectural cold piped water system and other areas of the preferred pipe.
2 , the solid material is special aluminum pipe finished as follows:
① • Outer layer: polyethylene body temperature (PE - RT), plastic coat : protect the core of aluminum and allows no contaminated water colored casing .
② • adhesive layer : PE - aluminum outer layer and the interface region between RT ground . Prevent shear slip .
③ • aluminum layers : a thin layer of welded aluminum ring, thus forming a 100% oxygen barrier properties , corrosion protection , to ensure the stability characteristics of the pipeline .
④ • adhesive layers : the interface between the inner PE - RT layer aluminum core area. Prevent shear slip .
⑤ • inner : inner clear PE - RT. Inert, does not in any way affect the water. Smooth inner wall surfaces , can reduce the water pressure drop .

Second, the plastic pipe characteristics
• Temperature , pressure resistance
Special solid long-term use of laser welded aluminum pipe temperature is 95 ℃, short-term up to the maximum allowable temperature 110 ℃. Hot and cold water working pressure of 1.0 MPa, gas pipe working pressure of 0.4 MPa.
Size
• Good pressure resistance , long life
And pressure under conditions of use prescribed , special solid laser welded aluminum pipe service life of over 50 years. Forced aging test results synthetic materials National Institute of Ministry of Chemical Industry has proved particularly solid laser welded aluminum tube life of up to 50 years.

• Thermal expansion coefficient, hot water , heating pipes ideal
Special solid laser welded aluminum pipe thermal expansion coefficient of 2.5 × 10-5m (m • k), only polyethylene pipe 1/8 , essentially equivalent aluminum , will not cause leakage or damage the pipe deformation decoration , etc., are very suitable for hot and cold water supply, heating pipes .
• opaque oxygen permeability , environmental health
Special solid laser welded aluminum tube health non-toxic , does not rust , and special solid laser welded aluminum pipe intermediate metal layer of aluminum , oxygen permeability opaque , water wall will not photosynthetic process to produce microbial breeding secondary pollution of water . Special solid laser welded aluminum pipe has been made " related to drinking water health products health permits ."
• Low thermal conductivity
Special solid laser welded aluminum pipe thermal conductivity of 0.45W / m • k, steel pipe about 1/100 , a relatively small metal pipe for water piping heat loss , good insulation effect.
• good corrosion resistance
Special solid laser welded inner and outer layers of polyethylene plastic pipe , is a crystalline non-polar materials, chemical performance is very stable. At room temperature , insoluble in any of the known polyethylene solvents , the ability of acid, alkali , salt solution etching .
• Ease of construction and installation
Bendable not rebound , reduce the large joints ; easy installation easy and saves a lot of man-hours.
• Flame
Special laser welded solid laser welded aluminum plastic composite pipe structure makes it far superior flame retardant polyethylene pipe . By the National Fire Protection Building Materials Quality Supervision, Inspection and Test Center, special solid laser welded aluminum pipe GB8624 burning properties of the electrical cable casing retardant plastics material requirements (B1) level .
• excellent hydraulic performance
Special solid laser welded aluminum pipe wall roughness of 0.007mm, due to the inner wall is very smooth, fluid conveying little resistance when water loss , no furring ; laser welded aluminum composite structure , set rigid in one , you can quickly eliminate the impact of the pipeline pressure within the system , will not produce water hammer noise.
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Third, special solid laser butt welding plastic pipe
Special solid (TOOGO) company introduced Ruishi Kai package (SWISS CAB) produced by laser butt welding plastic pipe production line , is the use of the world's most advanced laser welding technology to produce plastic pipe manufacturers. Kai Po (SWISS) laser butt welding aluminum-plastic composite pipe production line , the company inherited the German HAAS laser welding equipment and Siemens electrical automatic control system , equipped with a plastic pipe laser seam tracking system , the entire production line to do the right every process real-time monitoring to ensure the quality and stability of the product. High temperature, high pressure , corrosion resistance, excellent performance , is the construction of cold , heat pipe of choice for pipes, heating delivery system .
1, the laser beam welding is used instead of an arc flame , the light can not accurately control the weld , and consistency , so as to ensure the quality of welding hundred percent . 2 , laser welding speed, high precision , weld flat , small, good quality.
3 , the use of arc welding flame , the only occurrence of the larger role of the welding torch , the inner layer of plastic will usually produce a 2-3 mm wide , dark prints.
4 , with the ultrasonic welding technology in Germany compared to the quality of laser welding on the pull tension up to one hundred percent , and ultrasonic welding can only achieve a 60% , so the laser welding of aluminum-plastic composite pipe in the mass ratio of the ultrasonic bonding better .
5 , since the laser welding speed, a small heated area during welding , aluminum welding in the fast does not affect the inner plastic pipe and adhesives. Arc welding is a flame , heat welding area, will lead to the melting of the plastic tube that received damage occurs , and binders such as heat diaspora situation .

Fourth, special solid laser butt welding plastic pipe characteristics:
[ Butt ] using laser laser butt welding technology, welding firm , high peel strength, high burst pressure .
[High temperature , low temperature resistance ] products can be high temperature short-time 110 ℃, resistance to low temperature -40 ℃.
[ ] Special solid tube construction is simple cut can live freely without bending deformation rebound , the installation tool is simple, because the plastic pipe can be bent to reduce the amount of connectors used to connect copper pipe fittings using prefabricated fittings, without threaded .