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A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
Specifications
Brand Name :
Ze Xu
Model Number :
XB-DN600
Certification :
CE API
Place of Origin :
Cangzhou, China
MOQ :
Quantity(Meters) 1 - 1000 1001 - 5000 >5000
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
Packaging Details :
Packed with the plastic cap to protect the ends of the pipe or as your special requirement.
Application :
Mall, district heating and cooling
After-sale Service :
Online technical support, Onsite Installation, Onsite Training, Onsite I
Material: :
polyurethane
Length: :
usually 5.8/11.8m/pcs or customed
Certificate: :
ISO9001,14001, CE, GOST, RISE
Steel pipe without in :
150-250mm
Service: :
OEM ODM
PU density :
more than 60kg/m3
Specification of ste :
l pipe: DN25-1400mm
Description

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:
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
Lead Time :
Quantity(Meters) 1 - 1000 1001 - 5000 >5000
Est. Time(days) 15 35 To 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
MΩ
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

A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation TubeA53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

Product tags

6 inch pipe insulation

,

4 inch pipe insulation

,

pipe insulation calculation
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A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

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Product Detail
Brand Name :
Ze Xu
Model Number :
XB-DN600
Certification :
CE API
Place of Origin :
Cangzhou, China
MOQ :
Quantity(Meters) 1 - 1000 1001 - 5000 >5000
Price :
CN¥38.77 - CN¥1,938.45 / Meter | 500 Meter/Meters (Min. Order)
Contact Supplier
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube
A53 Underground 72 Inch 11.8m Thermal Insulation Pipes , Thermal Insulation Tube

Hebei Zexu Pipe Manufacturing Co., Ltd.

Active Member
6 Years
hebei, cangzhou
Since 2016
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Forged Pipe Fittings, Socket Weld Pipe Fittings, Threaded Pipe Fittings
Total Annual :
10000000-50000000
Employee Number :
>100
Certification Level :
Active Member
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