16mm, 20mm, 25mm & 32mm PEX Pipe for Underfloor Heating

16mm, 20mm, 25mm & 32mm PEX Pipe for Underfloor Heating

PEX pipes for underfloor heating, sized from dn16-32mm or 1/4"-1", Superior quality warranted with 15 years, OEM service available, the most competitive wholesale price available & prompt delivery can be met. Contact us for details of PEX pipes from SUNPLAST!!!
  • Product Details:

    PEX pipe is produced with crosslinked polyethylene. Crosslinking is obtained through a chemical process that increases the bonds between macromolecules to form a more complex structure than the normal polyethylene. Due to the crosslinking, the polyethylene’s performance is greatly enhanced still maintaining the excellent properties of thermoplastics.

    SUNPLAST PEX pipe is a ideal solution for underfloor heating system, it provides a superior, efficient & clean heating system by distributing heated water from a heart source through a piping network. The PEX heating pipe has excellent mechanical performances and the ability to withstand instand high temperature up to 110℃. At the same time, SUNPLAST PEX pipes can be manufactured into coils up to 500 meters, efficient & no-fuss installation has never been so easy.

    Product name

    PEXpipe for underfloor heating

    Sizes available

     16×2.0mm, 20×2.0mm, 25×2.5m, 32×3.0mm

    Max. pressure rating

    PN8 bars

    Max. Working temperature


    Material used

    PEX-b  (Silan Crosslinking PE-Xb pipe, crosslinking is ≥65%)

    Colors available

    Transparent, white, red, blue or as per request.

    Standards follow to

    ISO 15875, ASTM F876/877

    Markings on the pipe

    Customer’s logo can be stamped

    Samples available

    Sample available for small quantity request

    Packing method

    Be packed in coils with 50m/100m/200m/300m/500m. Each coil of pipe be in cartons



    Production lead time

    Depending on the order quantity.
         Normally about 15-20 days for a 40hc container.

    Warranty time

    15 years for normal using

    Payment term

    T/T or LC at sight

    FOB loading port

    Ningbo or Shanghai China

    Place of origin

    Zhejiang, China

    Product Specifications:
    SUNPLAST PEX heating pipe can be provide from 16-25mm & 1/4”-1”, with the specific sizes as follow:  

    Standard: ISO 15875


    Outer Dia.

    Inner  Dia.

    Wall Thick

    Packing Legth


























    Standard: ASTM F876/877


    Packing Length













    Workshop & manufacturing Facility
    SUNPLAST company has two manufacturing workshop located in Zhejiang province China. The total area covers more than 10000㎡. The factory is equipped with advanced production lines for PEX pipes:   




    SUNPLAST is committing to provide our customers the best quality products, and we guarantee all of PEX pipe is made of superior quality raw materials from famous suppliers in worldwide, such as Sinopec, Borealis, LG, Dow Chemical, Constab, Sabic.,etc. 


    Loading & Shipment

    SUNPLAST PEX 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.

    ※ Why PEX pipe is the best solution for underfloor heating system?
    A: PEX pipe made by crosslinked polyethylene has several advantages over metal pipe metal pipe (copper, iron, lead) or rigid plastic pipe (PVC, CPVC, ABS). It is flexible, packed in rolls with 50-500m length, fewer fittings needed. Due to corsslinking, the PEX pipe performs very well at high temperature use, max temperature can reach to 110℃. It resistant to scale and chlorine, doesn't corrode or develop pinholes.
    All those advantages make PEX pipe is the best solution for underfloor heating system

    ※ How about cost-saving when PEX pipe for underfloor heating system?
    A: PEX pipe for underfloor heating system is a kind of cost-saving option, because of:
    1.PEX is less expensive than metal pipe or other plastic pipe.
    2.Less time is spent running pipe and installing fittings than with rigid pipe systems.
    3.Installing fewer fittings reduces the chances for expensive callbacks.

    ※ What kind of fittings can SUNPLAST provide for PEX pipe?
    A: Just same as PEX-AL-PEX multilayer pipe, we can provide two type brass fittings for choice, called: brass compression fittings & brass press fittings.

    Contact us 

    Contact us freely for any inquiries on our products by following:

    Telephone: 0086-574-87226883
    Fax: 0086-574-87467583
    Mob: 0086-15968493053

    24 hours on line contact:
    whatsApp: 0086-15968493053
    Skype: polypipe-manufacturer

    Sunplast, through over 15 years' development, is now known as one of the leading manufacturers and suppliers of 16mm, 20mm, 25mm & 32mm pex pipe for underfloor 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.