Product Description

PEX-AL-PEX Multilayer Pipe/Tubing For Water Plumbing & Heating PEX-AL-PEX

The PEX-AL-PEX multilayer pipe has a five-layers' structure: the PEX-b (cross-linking polyethylene) in inner & outer layers ensures the pipe can be used for hot water (the max. working temperature reaches to 95℃).  The aluminum core layer in middle greatly strengthen the pipe’s intensity (The PEX-AL-PEX multilayer pipe can bear much higher working pressure than single layer PEX pipe, whose max. working pressure can reach to PN1.0Mpa), at the same time, it can reliably prevents oxygen/gases from permeating into the pipe, which can protect the steel/brass accessories from rusting for long time use. The two layers of adhesive between PEX & aluminum layers ensure the pipes’ entirety & reliability.

The PEX-AL-PEX multilayer pipe combines all advantages of a metal and plastic pipe. The superior performance makes PEX-AL-PEX multilayer pipe be the best choice for hot water plumbing & underfloor heating systems. 

※ Flexible and easy to install PEX-AL-PEX Multilayer Pipe Bending

The PEX-AL-PEX multilayer pipe is flexible, with min. bend radio 5 times of pipe outer dia. The pipe can be installed easily, no welding, only very simple tools required.                        

※ Good performance for high temperature

The PEX-AL-PEX multilayer pipe are stable for use for high temperature, with max. working temperature 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.

The PEX-AL-PEX multilayer pipe is 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   

Product name : PEX-AL-PEX multilayer pipe

Sizes available : 12× 1.5mm, 16×2.0mm, 20×2.0mm, 25×2.5mm, 26×3.0mm, 32×3.0mm

Max. working pressure rating : PN10 bars  (PN12.5 bars for laser weld pipe)

Max. Working temperature : 95℃

Material  : Inner & outer layer are PEX-b, Middle layer is Aluminum, Adhesive between PEX & Aluminum

Aluminum welding method : Overlap welded by ultrasonic, or butt laser welded by argon-arc

Colors available : Regular customer is white, red & yellow or as per request.

Standards follow to : ASTM F 1281, EN ISO21003, DIN8077/8078

Markings on the pipe : OEM or as per request

Technical Index

PEX-AL-PEX multilayer pipe are made into GB/T 18997 standard, at the same time, it can conforms to EN ISO21003 standard in Europe & ASTM F 1281/1282 standard in the USA. 

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