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    Home > Products Show > Butt welding Aluminum-plastic composite pipe > PEX-AL-PEX (DXPAP2)Pipe > al pex pipe
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    Supplier Details

     Company Name:
    Tianjin Junxing Pipe Industry Group Co.,Ltd

     Contact Person: shirley han

     Tel: 86-22-84783741

            

     Fax: 86-22-24559615

     Email: shirley@tjjxgy.com

     Address:
    No.1 Kaiyuan Road Fu Yuan Economic Development Area in Wu Qing District,Tianjin of China

     WebSite:
    http://www.yeskey.com/space/junxingguanye2815/
    http://www.chinajunxing.com
    http://chinajunxing.en.alibaba.com

      al pex pipe
      Products Visitors:982
      • Product Name:al pex pipe
      • Model:JXDXPAP2
      • Size:DN20
      • Package:100-300M per coil
       
       

      DXPAP2 Pipe

      butt welding Aluminum-plastic composite pipe

      aluminum plastic composite pipe

      PEX-AL-PEX pipe

      They are composed of an inner and outer layer of PEXb, that are bonded by special glue to the intermediate layer of aluminum. ASTMF1335-1998 standard called them" metal pipes with plastic protective layer".

       

      Features

      1. Good quality in pressure resistance and heat resistance

      The highest working temperature can be 98,and working pressure up to 1.25Mpa.

      2.Pressure-time curves,assure long usage time security

      3. High bursting pressure makes secure system

      4. Good quality in oxygen obstruct

      5. Low thermal conductivity

      6. Convenient installation, leakage effectively prevented

      7. Jun Xing plays a leading role in pipe industry, we're sure to provide products with professional quality.

       

      Specifications

      Unit: mm

      Nominal outside diameter

      Outside diameter tolerance

      Inside diameter for reference

      Circularity

      Thickness of pipe wall

      Thickness of Inner PE layer

      Thickness of Outer PE layer

      Thickness of ALlayer

      Coil pipe

      Straight pipe

      Minimum

      Tolerance

      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

      Item

      technical requirements

      coefficient of thermal conductivity   W/m.k

      0.45

      coefficient of thermal expansion   M/m.k

      2.5×10-5

      bend radius                   D: diameter

      ≥5D

      working temperature              ℃

      -40~+98

      working pressure                 Mpa

      1.25

      radical pulling force               N

      2300~2650

      burst strength                    Mpa

      4.0~6.0

       

                                        

       

      Comparison between DXPAP2 and Overlapping Welding Pipe

      DXPAP2 pipe's aluminum layer is thicker than overlapping welding pipe. The GTAW welding method makes pipe stronger and the pipe system safer.

       

      Item

      DXPAP2

      overlapping welding pipe

      Long time working temperature

      98℃

      82℃

      Permit working pressure

      1.25Mpa

      0.86Mpa

       

                                        

      Technical Requirements

      1. Standard Q/12WQ4978-2009

      2. Color: white

      3. Specification: coil pipe: dn16-dn32 length: 100m or 200m/coil

                   Straight pipe: dn16-dn32 4m/p

      Customized specification also available.

       

      Applications

      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.Transportation for low pressure liquid of civil use(hot and cold water, drinking water, air-condition,firefighting and fuel gas).

       

      Features:

      1. Well connected, free of leakage.

      2. Easy installation and construction, free of low temperature impact.

      3. Excellent system compatibility

      4. Long usage life (50-70 years), easy maintenance.

       



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