Polyurethane pre-insulated direct-buried insulation pipe is closely combined with the steel pipe (or PE pipe) for conveying medium, polyurethane rigid foam insulation layer, and high-density polyethylene outer casing. It is mainly used for thermal insulation projects for conveying fluid media. This product is mainly used in urban central heating pipe networks, chemical and petroleum transportation pipelines, water pipelines in extremely cold areas, industrial pipeline engineering in factory areas, and central air conditioning supply and return water. It has characteristics such as efficient insulation, waterproof and anti-corrosion, simple construction, and low heat loss, with a service life of up to 30 years or more.
Хэрэгжүүлэх стандартууд
Inner pipe material
SOIESENSEN SOUNGONGOC, SPERAL гагнуурын гагнуур, PEP хоолой гэх мэт.
Загварын дарамт шахалт
P≤1.6MPa
Conveying medium
Халуун ус, хүйтэн ус, агааржуулагч хангамж, буцах ус, etc.
Загварын температур
T≤140 ℃
Ж төсв
En253, gb / t29047-2021
Polyurethane density
≥60KG / m3
Үйлчлэх хугацаа
30-аас их буюу тэнцүү
Outer casing density
> 940 KG / M3 ба ≤960 KG / M3
Бүтээгдэхүүний давуу талууд
(1) It is closely combined into a trinity by the inner working steel pipe, rigid polyurethane foam insulation layer, and high-density polyethylene outer protective pipe.
(2) Good insulation performance, low heat loss, long-term operation can save a lot of energy, and the effect of energy saving and emission reduction is significant.
(3) The company has production bases in Hebei, Inner Mongolia, Tianjin, and Liaoning, with complete production facilities and quality assurance systems.
(4) Strictly supply according to relevant domestic and foreign standards and owner requirements, with an annual supply of insulation pipelines reaching 5000km.
(5) Long-term cooperation with nearly a hundred logistics companies to ensure timely and effective transportation of insulation pipes to the project site, ensuring the construction period.
(6) Optional installation of warning lines, equipped with an alarm system to promptly detect pipeline network operation problems, improving the safety and stability of pipeline network operation.
(7) Equipped with a production line for electric fusion sleeves for joint repair, using the same batch of raw materials as the finished pipes, ensuring a high degree of fusion between the finished pipes and joint repair materials.
(8) Adopt direct burial method for laying, no need for additional pipe trenches, convenient and fast construction, effectively reducing the overall project cost, with a normal operation service life of up to 30 years or more.
Бүтээгдэхүүний үзүүлэлтүүд
Steel pipe
outer diameter
（φ,mm）
Steel pipe
wall thickness
(mm)
Outer casing
outer diameter
(φ,mm)
Outer casing
wall thickness
（mm）
Insulation layer
thickness
（mm）
Single meter weight
of insulation pipe
（kg）
32
3
100
2.2
31.8
3.2
42
3
110
2.5
31.5
4.2
48
3
120
2.5
33.5
4.8
57
3.5
125
3
31
6.3
76
4
140
3
29
9.0
89
4
160
3
32.5
10.6
108
4
180
3
33
12.8
133
4
200
3.2
30.3
15.6
133
4.5
225
3.5
42.5
18.1
159
4.5
225
3.5
29.5
21
159
4.5
250
3.9
41.6
22
219
6
315
5.9
43.1
38
273
6
365
5.6
40.4.4.4.4
49
325
7
420
7
40.5
67
377
7
500
7.8
53.7
81
377
8
500
7.8
53.7
90
426
7
525
8
41.5
90
426
8
550
8.8
53.2
103
478
7
580
8.8
42.2
102
478
8
600
8.8
52.2.2
116
529
7
630
9.8
40.7
115
529
8
655
9.8
53.2
130
630
8
760
11.1
53.9
158
630
9
760
11.5
53.5
173
720
8
850
12
53
182
720
9
850
12
53
199
820
9
960
13
57
230
820
10
960
14
56
253
920
10
1055
14
53.5
283
920
12
1055
14
53.5
328
1020
10
1155
14
53.5
314
1020
12
1155
14
53.5
363
1120
12
1256
14
54
398
1220
12
1370
16
59
444
1220
12
1380
16
64
447
1220
14
1370
16
59
503
1220
14
1380
16
64
506
1420
14
1580
16
64
588
1420
14
1600
18
72
602
1420
16
1580
16
64
656
1420
16
1600
18
72
670
1620
14
1780
16
64
670
1620
16
1800
18
72
764
● Custom production can be carried out according to user requirements; optional leakage warning system, automatic detection of pipeline network leakage faults, automatic alarm, high safety and stability.
● The design and calculation of product specifications need to consider specific application conditions, involving many parameters, please contact Yuanfeng Company.
Product aliases: polyurethane foam insulation pipe, polyethylene insulation pipe, pre-fabricated buried insulation pipe, insulation pipeline, insulation steel pipe, hot water insulation pipe, plastic-coated steel insulation pipe, heating pipeline, black jacket insulation pipe, buried insulation pipe, thermal pipe network, etc.
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