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pex multilayer composite pipe/al composite pipe for solar water heater/al coated plastic pipe
Technical Specification of pex multilayer composite pipe/al composite pipe for solar water heater/al coated plastic pipe
| Nominal diameter | Tolerance | Diamater | Roundness | Thickness of pipe wall | Thickness of pipe wall | Thickness of pipe wall | Thickness of pipe wall | ||
| Coil | Straight | Minumun | Tolerance | e(n) | e(w) | e(a) | |||
| 16 | +0.30 | 12.1 | ≤1.0 | ≤0.5 | 1.7 | +0.50 | 0.9 | 0.40 | 0.25 |
| 20 | 15.7 | ≤1.2 | ≤0.6 | 1.9 | 1.0 | 0.30 | |||
| 25 | 19.9 | ≤1.5 | ≤0.8 | 2.3 | 1.1 | 0.35 | |||
| 32 | 25.7 | ≤2.0 | ≤1.0 | 2.9 | 1.2 | 0.50 | |||
Physical Mechanics Features of PEX-AL-PEX multilayer composite pipe/pex composite pipe/aluminum-plastic composite pipe
| Coefficient of thermal conductivity | 0.45W/m.k |
| Thermal expansion coefficient | 2.5x 10 -5 M/m.k |
| Bending radius | ≥5D(D:Tube diameter) |
| Working tempurature range | -40°C~95°C |
| Work pressure | ≤1.25Mpa |
| Penstock radial tension | 2300~2365 N |
| Blasting strength | 4.0~6.0 Mpa |
Difference between butt welding pex-al-pex pipe and laser welding pex-al-pex pipe:
| Item | DXPAP2,RDPAP7 | Overlapping welding pipe |
| Long time working tempurature | 95°C | 82°C |
| Permit working pressure | 1.25Mpa | 0.86Mpa |
Applications of pex multilayer composite pipe/al composite pipe for solar water heater/al coated plastic pipe :
1. Hot water heat supply system
2. Domestic boiler pipe for heat supply and water supply
3. Bathing water supply system(solar water heater, electric heater, etc)
4. Transporation for low pressure liquid of civil use(hot and cold water, drinking water, air-condition,
firefighting and fule gas.)
Product Advantages of pex multilayer composite pipe/al composite pipe for solar water heater/al coated plastic 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 connection system of plastic pipe
8. Guaranteed quality and insurance for their good function
9. 100% oxygen barrier existence.










Q:What material are you specialized in?
A: We manufacture PE, HDPE, PPR, PB, PE-RT, Aluminum composite pipes and fittings.
Q: Do you produce PVC pipes and fittings?
A: Sorry, dear friend. We are more professional PE and PPR pipe and fittings.
Q: Please tell me your largest outer diameter for pipes.
A: We can produce 1600mm diameter as the largest size.
Q: The price of your products is higher than others.
A: We can't promise you the best price, but we can promise you the best quality. We import raw material from famous companies such as LG Chemical, Iydellbasell, Chervrom, Sinopec.
Q: For pipe fittings, what do you do mainly?
A: For fittings, coupling, elbows, tee, reducer, valve and cap are our main products.
Q:Where is your factory located in?
A: Our factory located in Tianjin City, which is only one hour away from Beijing airport.
Q: Can you provide us some samples for testing?
A: Of course, my friend. For small amount of samples, we can provide you for free.
Q: How is our customer service?
A: all our sales representatives can speak fluent English. They will answer all of your questions in 24 hours.
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