PEX-AL-PEX multilayer pipe, known as MCLP pipe (multilayer composite pipe), consists five-layer' structure. The inner & outer layers are made by PEX-b material, the middle layer is aluminum core which is welded by butt laser welded method or overlap welded method. Between the PEX material & aluminum core, special adhesive is used.
SUNPLAST PEX-AL-PEX multilayer pipe combines the advantages of a metal and plastic pipe, the superior performance makes PEX-AL-PEX multilayer pipe to be the best choice for water plumbing & underfloor heating systems.
※ Flexible and easy to install
※ Good performance for high temperature
The PEX-AL-PEX multilayer pipe can be used at T-max. 95℃ for 50 years.
※ Oxygen barrier pipe
The aluminum core layer can reliably prevents oxygen/gases from permeating into the pipe, this will protect the brass parts from rusting
※ Health & suitable for drinkable water supply.
They are hygienically and neutral in material, even in case of high PH-value fluctuation of the tap water.
※ corrosion free
PEX-b is kind of inert material, it is stable against solvents and other chemicals
Both laser welded PEX-AL-PEX multilayer pipe & overlap welded PEX-AL-PEX pipe are available!!
PEX-AL-PEX multilayer pipe
12×1.5mm, 16×2.0mm, 18×2.0mm, 20×2.0mm, 25×2.5mm/26×3.0mm, 32×3.0mm
Max. pressure rating
Max. Working temperature
Inner & outer layer are PEX-b, Middle layer is Aluminum core
Aluminum welding method
Overlap welded by ultrasonic, or butt laser welded by argon-arc
White or red color for water, or as per request.
Standards follow to
ASTM F 1281/1282, EN ISO21003
Markings on the pipe
Customer's logo can be stamped
Yes, sample available for small quantity needs
To be packed in coils with 50m/100m/200m/500m length, each roll in cartons
Production lead time
Depending on the order quantity.
15 years for normal using
T/T or LC at sight
FOB loading port
Ningbo or Shanghai China
Place of origin
SUNPLAST PEX-AL-PEX multilayer pipe can be provide from 12-32mm (outer diameter). The specific sizes as follows:
Fittings/Installation Tools Available For Multilayer Pipe
SUNPLAST company is available to provide complete sizes of brass fittings & installation tools to support the connection of the PEX-AL-PEX multilayer pipe.
The available multilayer pipe brass fittings & installation tools are:
※ 16-32mm brass compression fittings
※ 16-32mm brass press fittings
※ Installation tools, such as press tool, cutter, reamer, bending spring., etc
Workshop & manufacturing Facility
SUNPLAST company has two manufacturing workshop located in Zhejiang province China. The total area covers more than 10000㎡. The factory is equipment with 6 production lines for PEX-AL-PEX multilayer pipe, They come with high production efficiency and fast traction. Each production line is able to produce 15000-20000m PEX-AL-PEX pipe per day, and the annual output reaches to 10000 tons.
SUNPLAST is committing to provide our customers the best quality products, and we guarantee all of PEX-AL-PEX mutilayer pipe is made of superior quality raw materials from famous suppliers in worldwide, such as Sinopec, Borealis, LG, Dow Chemical, Constab, Sabic.,etc.
SUNPLAST PEX-AL-PEX multilayer pipe are approved by CE certificate & ISO certificate, we are also making NSF certificate for American & WRAS certificate for the UK:
Loading & Shipment
SUNPLAST PEX-AL-PEX multilayer pipe has been exporting to more than 30 countries & areas. Due to superior quality & the best service, we have built long & good business relationship with our customers, and they all satisfy about us all the time, some of our customers even have been working with us for more than 10 years.
Why choose us?
※ More than 15 years' rich experience in manufacturing, we are an expert in this industry.
※ Complete fittings & welding machines to support the connection of pipes
※ Strong after-sale term supports to provide professional guide for installation
※ By using top quality raw material, with long warranty time on quality.
※ Short lead time to satisfy your urgent need request.
※ Quick reply for your enquiries within 12 hours.
※ OEM service available to support a good sale in customers' market.
※ What type of fittings is used with SUNPLAST PEX-AL-PEX multilayer pipe?
A: We supply complete range of Brass Fittings with our Pipes which are of two types brass compression fittings and brass press fittings.
※ Up to what degree the PEX-AL-PEX multilayer pipe can be bending?
A: The bending radius may vary from 2.5 to 5 times the pipe outer diameter and the cross section at the bend remains constant. Once the pipe has been bent it remains in the desired position like a metal pipe
※ What is maximum length of the SUNPLAST Pipe without any joint?
A: SUNPLAST PEX-AL-PEX multilayer pipe can be provided with max. Length of 500m.
※ What’s the main difference between PEX-AL-PEX multilayer pipe & PPR pipe when used in hot water?
A: Both PEX-AL-PEX multilayer pipe & PPR pipe can be used at high temperature hot water for long time. The main difference are:
1.PEX-AL-PEX multilayer pipe is oxygen barrier pipe, PPR pipe is none-barrier pipe. The water in PEX-AL-PEX multilayer pipe will keep health for long time.
2.PEX-AL-PEX multilayer pipe can be packed in 50-500m length in roll, which means less fittings will be requested during the installation, so it is less cost than PPR pipes
3.PEX-AL-PEX multilayer pipe are connected by brass fittings, which is more easily installation than PPR pipe.
※ Can these multilayer pipes and fittings be used for Solar Water Heater?
A: Yes, SUNPLAST PEX-AL-PEX multilayer Pipes and fittings can be used for Solar Water Heater.
Contact us freely for any inquiries on our products by following:
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Sunplast, through over 15 years' development, is now known as one of the leading manufacturers and suppliers of pex-al-pex multilayer pipe/tubing for water plumbing & heating in China. Our factory has introduced many advanced technologies and equipments into it. Please be free to buy the quality and low price products made in China from us.