Rifeng pipe is five-layer composite pipe that combines the advantages of a metal and plastic pipe and eliminates the disadvantages of both materials at the same time. The aluminum core is absolutely diffusion tight; it reliably prevents oxygen/gases from permeating into pipe. It compensates and reduces snap-back forces and heat expansion with changes of temperature.
Overlapped welded pipe is co-extrued with one step with perfect adhesive between inner layer and aluminum, high and stable pressure resistance, of which welding style is ultrasonic.
Butt welded pipe is moulding with several steps that is argon-arc welding style.
Butt welding Aluminum-plastic composite pipe RPAP5/PERT-AL-PERT Pipe
The multilayer pipes PERT/AL/PERT are composite pipes that are produced by the overlapping method .They are composed of an inner and outer layer of PERT, that are bonded by a special glue to the intermediate layer of aluminium. By that way, a perfect oxygen barrier is accomplished, that ensures their perfect unruptured connection.
They are characterised as pipes of the century,because they combine the advantages of metal pipes (small linear expansion and high mechanical strength) with the advantages of plastic pipes (flexibility, without formation of salts inside the pipe, resistance to electro corrosion, low noise level, fast and easy installation )
The materials used to form PERT-AL-PERT Pipe are as follows:
Outer Layer: Polyethylene raised temperature (PE-RT) plastic coat: protects the aluminium core and allows the outer shell to be coloured without contaminating the water.
Adhesive layer: interface zone between the outer PE-RT layer and the aluminium core. Bonds the material together and prevents shear slippage.
Aluminium layer: thin layer of lap welded aluminium which forms a 100% oxygen barrier to protect against corrosion and allows the pipe to have the form-stable characteristic.
Adhesive layer: interface zone between the inner PE-RT layer and the aluminium core. Bonds the material together and prevents shear slippage.
Inner layer:inner layer of clear PE-RT. Inert and does not affect the water in any way. Allows for a smooth wall surface to reduce pressure drops for water flow.
Advantages of PERT-AL-PERT Pipe :
1.Great flexibility
2.No salts are deposited on the inner surface
3.Without electrolysis
4.Small thermal expansion
5.Resistance to adverse conditions (high temperature, high pressure)
6.Wide range of dimensions
7.Easy connection to all conection systems of plastic pipe
8.Guaranteed quality and insurance for their good function
9.100% oxygen barrier existence
Applications of PERT-AL-PERT Pipe :
1.Cold and hot water distribution.
2.Solar system, air-conditioning and refrigeration system
3.Underfloor heating PEX systems
4.Medical, foodstuff and chemical industries PEX pipe systems
5.Gas and air distribution.
Technological equipments for the production of composite multilayer pipes (PE-RT / Al / PE-RT, PEX / Al / PEX, PP-R / Al / PP-R, PE-RT / EVOH, PEX / EVOH) for water supply, heating, gas supply .
Equipment for the production of non-metallic composite oilfield pipes RTP/TCP
PEX-AL-PEX pipe/ DXPAP2 Pipes :
Junxing PEX-AL-PEX pipe is a five-layer composite pipe that combines the advantages of a metal and plastic pipe and eliminates the disadvantages of both materials at the same time. The aluminum core is absolutely diffusion tight; it reliably prevents oxygen/gases from permeating into pipe. It compensates and reduces snap-back forces and heat expansion with changes of temperature.
Junxing PEX multilayer composite pipe consists of an overlapped or butt welded aluminum core with an inner and outer layer or high temperature-resistant polyethylene. All layers are permanently bonded together by intermediate adhesive layers. The aluminum thickness for Junxing PEX pipe has been selected to meet compressive and flexural strength requirements.
Overlapped welded PEX pipe is co-extruded with one step with perfect adhesive between inner layer and aluminum, high and stable pressure resistance, of which welding style is ultrasonic.
Butt welded PEX pipe is moulding with several steps that is argon-arc welding style.
The color of PEX pipe is optional.
Performance Index of PEX-AL-PEX pipe:
1.Lineal Expansion Coefficient:2.3x10-5
2.Thermal Ratio: R=0.004m2 K/M
3.Surface State: E=0.004MM
4.Max Working Temperature:95227;C
5.Max Working Pressure: 1.25MPa
6.Density:1.47 gr/cm3
7.Life Span: &Y50 years
Applications of PEX-AL-PEX pipe:
1.Construction cold and hot water supply
2.Household heating system
3.Solar system
4.Swimming pool
5.Central air conditioner system.
Multilayer screens pipes are used for oil and water exploiting.
They consists of two screens or multilayer screen and the stuffing between the screens.They have great sand controling capacity, and so far it is a advanced sand controling technology under the well.
Meanwhile, our company can offer a whole set of sevice, such as the related process, the solution of the related technology and so on.
Furthermore, we can supply the product according to the clients specific requirements. And we can supply the products according to the clients specific discription.
51406 Multilayer Pipe Suppliers
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Circular steel pipe is both openings and have hollow concentric sections of steel larger than the surrounding. The specifications of steel pipes are indicated by appearance dimensions and inner diameter and wall thickness, with a wide range of dimensions from very small diameter capillary to large round steel pipe of several meters in diameter. Round steel pipes can be used for pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry, and special uses. It can be divided into seamless, ERW, LSAW, SSAW steel pipe according to the production process.
We produce and sell steel pipes, carbon steel pipe, GI pipe, carbon steel pipe , SS pipes and Spiral steel pipe in long term.
Our factory have plenty of steel in stock and customers can find the right products.
We deals Galvanized Steel Pipes used for Agriculture and Irrigations, Water Pipeline, Road Barriers. In addition to round pipes, we can also supply galvanized pipes in square and rectangular sections.Hot Dip Galvanized pipes in sizes from 1/2" To 6 OD and in wall thickness ranging from 1MM to 6MM. Our company is specializing in the galvanized pipes, welded pipes and other pipes. Surface hot dipped galvanized, Pre-gavanized, electro galvanized, painted, threaded, beveled, grooved, engraved Usage Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Lowpressure fluid pipe for water oil or gas, Boiler pipe.
Pipe fittings are the general names of parts and components that play the role of connection, control, direction change, diversion, sealing and support in the pipeline system. Steel fittings are pressure fittings. According to the different processing technology, it is divided into four categories, namely, butt welding pipe fittings (divided into weld and no weld), socket welding and threaded pipe fittings, flange pipe fittings.
According to the application:
1. pipe fittings for connecting pipes are: flanges, live joints, pipe hoops, clamps, clamps, throat hoops, etc.
2. changing the direction of the pipe: bends, bends.
3. pipe fittings changing pipe diameter: variable diameter (different diameter pipe), different diameter elbow, branch pipe table, reinforcing pipe.
4. pipe fittings with additional piping branches: three links, four links.
5. pipe fittings for pipe sealing: gasket, raw material belt, thread, flange blind plate, pipe plug, blind plate, head, welding plug.
6. pipe fittings for pipe fixing: clasp, hook, ring, bracket, bracket, pipe clamp, etc.
According to the connection :1, welded pipe fittings 2, threaded pipe fittings 3, clamping pipe fittings 4, clamping pipe fittings 5, socket pipe fittings 6, rubber ring connection pipe fittings
According to the material divided into 1, cast steel pipe fittings 2, forged steel pipe fittings 3, alloy pipe fittings 4, stainless steel pipe fittings.
Pipe fittings are widely used in municipal, petrochemical, west-to-east gas transmission, ships and nuclear power.
We are mainly for customers to provide a variety of pipelines. The pipes we sell include plastic pipes, PVC pipes, HDPE pipes, LDPE pipes, PE pipes, PPR pipes, PC pipes, ABS pipes, PA pipes, PU pipes, hoses, soft tubes, all kinds of plastic granule materials, and recycled regrind materials. Gi pipes, stainless steel pipes, seamless pipes, MS pipes, carbon steel, composited pipes, water tubes, corrugated pipes, fittings, valves, flanges, nuts, and screws. And other environmental plastic and stainless steel pipes
for residential construction households. With meeting international standard quality, the pipes are of different thicknesses, lengths, and applications.
51406 Multilayer Pipe Suppliers
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