underground API 5L high density polyethylene HDPE polyurethane foam PUR pre insulated pipe from chinese manufacturer
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- Supplier: Tangshan Xingbang Pipeline Engineering Equipment Co. Ltd.
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Product Overview
Description
Products Description
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 | |||||
Related Products
Product Specification
Specification | Work steel pipe OD*thickness (mm) | HDPE Outer protection pipe OD*thickness (mm) | Thickness of insulation layer (mm) | ||
DN(mm) | Inch | ||||
25 | 1" | 32*3.0 | 90*2.5 | 26.5 | |
40 | 1-1/2" | 45*3.5 | 110*2.5 | 30 | |
50 | 2" | 57*3.5 | 120*3.0 | 28.5 | |
70 | 2-3/4" | 76*4.0 | 140*3.0 | 29 | |
80 | 3" | 89*4.0 | 150*3.0 | 27.5 | |
100 | 4" | 108*4.5 | 180*3.0 | 33 | |
125 | 5" | 133*4.5 | 225*3.5 | 42.5 | |
150 | 6" | 159*5.0 | 250*3.9 | 41.6 | |
200 | 8" | 219*6.0 | 315*4.9 | 43.1 | |
250 | 10" | 273*6.0 | 365*5.6 | 40.4 | |
300 | 12" | 325*7.0 | 420*7.0 | 40.5 | |
350 | 14" | 377*7.0 | 500*7.8 | 53.7 | |
400 | 16" | 426*7.0 | 560*8.8 | 58.2 | |
450 | 18" | 478*8.0 | 600*8.8 | 52.2 | |
500 | 20" | 529*8.0 | 655*9.8 | 53.2 | |
600 | 24" | 630*8.0 | 760*11.5 | 53.5 | |
700 | 28" | 720*8.0 | 850*12.0 | 53 | |
800 | 32" | 820*10.0 | 960*14.0 | 56 | |
900 | 36" | 920*10.0 | 1055*14.0 | 53.5 | |
1000 | 40" | 1020*10.0 | 1155*14.0 | 53.5 | |
1100 | 44" | 1120*12.0 | 1256*14.0 | 54 | |
1200 | 48" | 1220*12.0 | 1370*16.0 | 59 | |
1200 | 48" | 1220*14.0 | 1370*16.0 | 59 | |
1400 | 56" | 1420*14.0 | 1580*16.0 | 64 | |
1400 | 56" | 1420*16.0 | 1600*18.0 | 72 | |
Remark:
1. Insulation pipes are executed the national standard of GB/T29047-2012 and the Ministry of Construction standard CJ/T114-2000.
2. According to the customer's requirement, we can also make other specifications of steel pipe and HDPE oter protection pipe and insulation layer.
Company Introduction
1.The company's test center successfully approved the review through the CNAS field.
2.In 2015, our company got 4 kinds management system certificates,such as quanity ,enviroment ,HSE,health and safety
3.Up to now, we have services for more than 130 cities and more than 800 projects at home and abroad.
4.For open Europe market, We got CE certificate in 2014
5.For open Middle East market , we are applying EHP certificate from RISE Lab in 2018, still now our insulation layer specifications are meet EN253 request
we have our own lab and invested more than $5000 on various third party tests every year.
Member of National Standards Compilation for insulation
pipe. We participated in the formation of 18 industry standards
pipe. We participated in the formation of 18 industry standards
OEM &ODM
we have an R&D team, 14 technicians, we can produce according to customer's requirement.
Engineering case
Steam pipeline for underground
Location: Korea
Project demand: 350℃，2.5MPa
Service life: 30 years
Quantity:5864 Meters
Crude oil transportation project
Location: African Congo
Diameter: DN65-350MM
Project demand: anticorrosive
Service life: 30 years
Quantity:1450 Meters
Quantity:1450 Meters
District cooling project
Location: Vietnam
Diameter: DN50-600MM
Project demand: 10℃，1.6MPa
Service life: 30 years
Quantity: 5602Meters
Project demand: 10℃，1.6MPa
Service life: 30 years
Quantity: 5602Meters
Oil transportation project
Location: Uganda
Diameter: DN65-450MM
Project demand: 60℃，1.6MPa
Service life: 30 years
Quantity: 50000Meters
Project demand: 60℃，1.6MPa
Service life: 30 years
Quantity: 50000Meters
Chemical material transportation
Location: Korea
Diameter: DN168MM
Project demand: 65℃，smooth inner wall
Quantity: 1600Meters
Project demand: 65℃，smooth inner wall
Quantity: 1600Meters
District cooling project
Location: Cambodia
Project demand: 10℃，1.6MPa
Service life:30 years
Quantity: 3692Meters
Quantity: 3692Meters
Our Team
Spirit: Harding working and enterprising as well as harmonious and innovative.
Goal: Prosperity of our industry, maintaining a high standard of integrity
FAQ
1: Are you a manufacturer or a trading company?
We are a insulation and anti-corrosive manufacturer which has more than 28 years' history.
We are a insulation and anti-corrosive manufacturer which has more than 28 years' history.
Lcated in Yutian industry Zone,Tangshan City, Hebei Province, China.
100KM from Beijing Airport;
110KM from Tianjin Airport;
125KM from Tianjin seaport.
2: How do you control the products' quality?
a. Use good-qualityauxiliary materials
b. Establishing and perfecting supplier examination mechanism.
c. Effectively controls the product quality by implementing the verification method of the "three-inspection system"
d. Chinese people's insurance insured products
3: Can I customize some other sizes of products?
Yes! We can produce according to the customer's request.
100KM from Beijing Airport;
110KM from Tianjin Airport;
125KM from Tianjin seaport.
2: How do you control the products' quality?
a. Use good-qualityauxiliary materials
b. Establishing and perfecting supplier examination mechanism.
c. Effectively controls the product quality by implementing the verification method of the "three-inspection system"
d. Chinese people's insurance insured products
3: Can I customize some other sizes of products?
Yes! We can produce according to the customer's request.
We provide OEM/ODM.
4:Can we get a sample? how to pay?
If you need some samples to test, we can make as per your request .You should pay for the transportation freight of samples and our samples cost, while the samples cost can be refundable after you place the order if the amount meets our requirement.
4:Can we get a sample? how to pay?
If you need some samples to test, we can make as per your request .You should pay for the transportation freight of samples and our samples cost, while the samples cost can be refundable after you place the order if the amount meets our requirement.
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