Thermal Insulated Steel Pipe with HDPE Casing Pipe for Pipeline Construction Project

Model NO.: lin019
Cross-Section Shape: Round
Connection Type: Welding
Color: Black
Usage: Asphalt, Lubricants, Solvent, Fuel, Petroleum Coke
Type: Heavy Crude Oil
Application: Base Oil, Derivatives, Industrial Lubricant, Oil
Trademark: OEM
Transport Package: Standard Package
Specification: DN25-DN1400
Origin: China
HS Code: 7304192000
Model NO.: lin019
Cross-Section Shape: Round
Connection Type: Welding
Color: Black
Usage: Asphalt, Lubricants, Solvent, Fuel, Petroleum Coke
Type: Heavy Crude Oil
Application: Base Oil, Derivatives, Industrial Lubricant, Oil
Trademark: OEM
Transport Package: Standard Package
Specification: DN25-DN1400
Origin: China
HS Code: 7304192000
Product Description
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
Name  Pre-insulated Pipe
structure work steel pipe/polyurethane insuation layer /HDPE outer protection pipe
the material of insuation layer polyurethane foam
 Installation Method 1.cold installation
2.Prestress Installation
3.Preheat Installation Method
4.One-Time Compensator Installation Method
 
Main Indexes of Polyurethane insulation layer 
 
indexes preference Standard unit standard requirement
Density CJ/T114-4.3.2 kg/m3  ≥60
Average 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/T114-4.3.5 % Immersion in boiling water 90 minute,bubble water absorption should be not more than 10%
Cavity CJ/T114-4.3.1   ≤ 0.033
 
Specification of pre-insulated Pipe
 
Specifications
(mm) 		steel pipe OD×Thickness
(mm) 		Outer protection tube diameter ×Wall thickness
(mm) 		Insulation thickness
(mm) 		Unit weight
Kg/m
32/90 32×2.8 90×2.5 26.5 3
45/110 45×2.8 110×2.5 30.0 4
57/120 57×3.0 120×2.5 29.0 6
60/125 60×3.5 125×3.0 29.5 7
76/140 76×4.0 140×3.0 29.0 9
89/160 89×4.0 160×3.0 32.5 11
108/180 108×4.0 180×3.0 33.0 13
133/200 133×4.5 200×3.2 30.3 17
159/250 159×4.5 250×3.9 41.6 22
219/315 219×6.0 315×4.9 43.1 39
273/365 273×6.0 365×5.6 40.4 49
325/420 325×7.0 420×7.0 40.5 67
377/500 377×7.0 500×7.8 53.7 81
426/560 426×7.0 560×8.8 58.2 94
478/600 478×7.0 600×8.8 52.2 104
529/630 529×7.0 630×9.8 40.7 114
529/655 529×7.0 655×9.8 53.2 117
630/760 630×8.0 760×11.5 53.5 158
720/850 720×8.0 850×12.0 53.0 181
820/960 820×10.0 960×14.0 56.0 252
920/1055 920×10.0 1055×14.0 53.5 281
1020/1155 1020×10.0 1155×14.0 53.5 312
1220/1380 1220×12.0 1380×16.0 64.0 444
1420/1602 1420×14.0 1602×16.0 75.0 590
Advantage of the pre-insulated pipe   
1. good insulation properties
2. low heat loss
3.  heat loss is 25% of the traditional pipe.
4. energy saving
5.  about 30 yeas move the service life, low cost
6. has a strong waterproof and corrosive resistance and high mechanical strength
7. no attached trench ,can be directly buried in the ground or water.

Thermal Insulated Steel Pipe with HDPE Casing Pipe for Pipeline Construction Project

 

Product Description
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
Name  Pre-insulated Pipe
structure work steel pipe/polyurethane insuation layer /HDPE outer protection pipe
the material of insuation layer polyurethane foam
 Installation Method 1.cold installation
2.Prestress Installation
3.Preheat Installation Method
4.One-Time Compensator Installation Method
 
Main Indexes of Polyurethane insulation layer 
 
indexes preference Standard unit standard requirement
Density CJ/T114-4.3.2 kg/m3  ≥60
Average 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/T114-4.3.5 % Immersion in boiling water 90 minute,bubble water absorption should be not more than 10%
Cavity CJ/T114-4.3.1   ≤ 0.033
 
Specification of pre-insulated Pipe
 
Specifications
(mm) 		steel pipe OD×Thickness
(mm) 		Outer protection tube diameter ×Wall thickness
(mm) 		Insulation thickness
(mm) 		Unit weight
Kg/m
32/90 32×2.8 90×2.5 26.5 3
45/110 45×2.8 110×2.5 30.0 4
57/120 57×3.0 120×2.5 29.0 6
60/125 60×3.5 125×3.0 29.5 7
76/140 76×4.0 140×3.0 29.0 9
89/160 89×4.0 160×3.0 32.5 11
108/180 108×4.0 180×3.0 33.0 13
133/200 133×4.5 200×3.2 30.3 17
159/250 159×4.5 250×3.9 41.6 22
219/315 219×6.0 315×4.9 43.1 39
273/365 273×6.0 365×5.6 40.4 49
325/420 325×7.0 420×7.0 40.5 67
377/500 377×7.0 500×7.8 53.7 81
426/560 426×7.0 560×8.8 58.2 94
478/600 478×7.0 600×8.8 52.2 104
529/630 529×7.0 630×9.8 40.7 114
529/655 529×7.0 655×9.8 53.2 117
630/760 630×8.0 760×11.5 53.5 158
720/850 720×8.0 850×12.0 53.0 181
820/960 820×10.0 960×14.0 56.0 252
920/1055 920×10.0 1055×14.0 53.5 281
1020/1155 1020×10.0 1155×14.0 53.5 312
1220/1380 1220×12.0 1380×16.0 64.0 444
1420/1602 1420×14.0 1602×16.0 75.0 590
Advantage of the pre-insulated pipe   
1. good insulation properties
2. low heat loss
3.  heat loss is 25% of the traditional pipe.
4. energy saving
5.  about 30 yeas move the service life, low cost
6. has a strong waterproof and corrosive resistance and high mechanical strength
7. no attached trench ,can be directly buried in the ground or water.

Thermal Insulated Steel Pipe with HDPE Casing Pipe for Pipeline Construction Project

 

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