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A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

    Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
     
    Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
    • Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
    • Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
    • Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
    • Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers
    • Buy cheap A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube from wholesalers

    A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

    Ask Lasest Price
    Brand Name : Ze Xu
    Model Number : XB-DN600
    Certification : CE API
    Price : CN¥38.77 - CN¥1,938.45 / Meter | 500 Meter/Meters (Min. Order)
    Payment Terms : L/C, T/T
    Supply Ability : 10000Meter/Meters per Month
    Delivery Time : 3-5 days
    • Product Details
    • Company Profile

    A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

    building rigid polyurethane foam heat resistant preinsulated thermal insulation pipe supplier for underground


    Packaging & Delivery
    Packaging Details
    Packed with the plastic cap to protect the ends of the pipe or as your special requirement.
    Port
    Tianjin Xingang
    Picture Example:
    package-img
    Lead Time :
    Quantity(Meters)1 - 10001001 - 5000>5000
    Est. Time(days)1535To be negotiated
    Structure
    Steel pipe-- insulation layer--HDPE outer protection pipe
    Steel pipe standard and material
    1. GB 20#, Q235B
    2. ASTM A53 GrB
    3. API Spec 5L 16Mn, X42-X80
    Steel pipe process
    1. Seamless,
    2. Spiral steel pipe( SAW)
    3. Straight steel pipe(ERW)
    Material of insulation layer
    Bayer/Basf Germany
    Foaming technology
    CFC-free water
    Material of HDPE
    Shanghai Jin Fei, Qilu petrochemical,Tianjin zhongsha petrochemical(level 100)
    Application
    1. district heating
    2. district cooling
    3. crude oil transportation
    4.cogeneration project
    Laying mode
    Mainly used for direct buried, and can be used in trenches.
    Specification
    DN25-1800mm(1 inch-72 inch)
    Medium temperature
    Less than 120℃( accidental peak 140 ℃)
    Medium pressure
    Less than 2.5MPa
    Advantages
    1. Unique trinity structure
    2. Low thermal conductivity, small the heat loss
    3. Water-proof
    4. Anti-corrosive
    Related products
    1. The pre-insulated pipe with alarming line
    2. Joint materials
    3. Insulation fittings
    Main Indexs of Pre-insulated Pipe
    Product Name
    Product Indexes
    Reference Standard
    Unit
    Standard Requirement
    Finished product
    Steel pipe without thermal insulation layer
    CJ/T114-4.4.1
    mm
    150-250
    Increasing rate of HDPE outer protection pipe
    CJ/T114-4.4.2
    %
    ≤ 2
    Axis eccentricity
    CJ/T114-4.4.3
    mm
    see clause 4.4.3
    Expectation of life
    CJ/T114-4.4.4.1
    year
    120℃ 30 years
    Shear strength(170℃,1450h after aging)
    CJ/T114-4.4.4.2
    MPa
    (23±2℃)>0.12
    (140±2℃) >0.08
    Shock resistance
    CJ/T114-4.4.5
    3kg/2m
    see clause 4.4.5
    Resistance value between alarm line
    CJ/T114-4.4.6
    more than 20MΩ
    Outer protection pipe
    Density
    CJ/T114-4.2.3.1
    kg/m3
    ≥940
    Elongation at break
    CJ/T114-4.2.3.4
    %
    ≥350
    Tensile yield stength
    CJ/T114-4.2.3.4
    MPa
    ≥19
    Longitudinal shrinkage rate
    CJ/T114-4.2.3.5
    %
    ≤3
    Long term Mechanical properties
    CJ/T114-4.2.3.6
    80℃ 4.0MPa
    >1500h free from damage
    The difference of the melt flow rate
    CJ/T114-4.2.3.2
    g/10min
    ≤0.5
    Carbon Black content
    CJ/T114-4.2.3.1
    %
    2.5±0.5
    Polyurethane insulation layer
    Density
    CJ/T114-4.3.2
    kg/m3
    ≥60
    Average pore size
    CJ/T114-4.3.1
    mm
    ≤0.5
    Percentage of close area
    CJ/T114-4.3.1
    %
    ≥88
    Compressive strength
    CJ/T114-4.3.3
    MPa
    ≥0.3
    Water absorption
    CJ/T114-4.3.4
    %
    Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10%
    Coefficient of thermal conductivity before aging
    CJ/T114-4.3.5
    w/(m.k)
    ≤0.033
    Cavity
    CJ/T114-4.3.1
    ≤1/3 the thickness of insulation layer
    Working steel pipe
    Seamless steel pipe(≤DN150)
    GB8163
    20#
    Up to standards
    Spiral steel pipe (≥DN200)
    GB/T9711 or SY/T5037
    Q235B
    Up to standards

    Quality A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube for sale
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