Hebei Zexu Pipe Manufacturing Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 5000 Ton/Tons per Month |
| Delivery Time | 3-5 days |
| Packaging Details | IN PIECE OR AS CUSTOMER REQUIREMENT |
| After-sale Service | Online technical support, Free spare parts |
| Application | industrial projects |
| Design Style | pre insulated thermal insulation steel pipe |
| Type | pu foam insulation steel pipe |
| Material | as customer requirement, polyurethane |
| Product Name | Waterproof Heat Insulation Materials Insulation |
| Density | 60kg/m3 |
| Function | Thermal Preservation |
| Brand Name | Ze Xu |
| Model Number | pre insulated steel pipe |
| Certification | CE API |
| Place of Origin | Cangzhou, Hebei |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 5000 Ton/Tons per Month |
| Delivery Time | 3-5 days | Packaging Details | IN PIECE OR AS CUSTOMER REQUIREMENT |
| After-sale Service | Online technical support, Free spare parts | Application | industrial projects |
| Design Style | pre insulated thermal insulation steel pipe | Type | pu foam insulation steel pipe |
| Material | as customer requirement, polyurethane | Product Name | Waterproof Heat Insulation Materials Insulation |
| Density | 60kg/m3 | Function | Thermal Preservation |
| Brand Name | Ze Xu | Model Number | pre insulated steel pipe |
| Certification | CE API | Place of Origin | Cangzhou, Hebei |
| High Light | direct buried insulation steel pipe ，ce underground insulation steel pipe ，API insulation steel pipe | ||
Yanshan Manufacturing Underground Direct Buried Pre Insulated Thermal Insulation Steel Pipe For Hot Water Pipeline
| 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#, X42,X52,X60,X70 | Up to standards |
| Spiral steel pipe (≥DN200) | GB/T9711 or SY/T5037 | Q235B,Q355B,X42,X52,X60,X70 | Up to standards | |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2016
Total Annual:
10000000-50000000
Employee Number:
>100
Ecer Certification：
Active Member
Hebei Zexu Pipeline Manufacturing Co., Ltd. has a complete production and operation management system and is one of the first companies in the industry to pass the ISO9001 quality management system certification, HSE environment, and occupational health and safety management sys... Hebei Zexu Pipeline Manufacturing Co., Ltd. has a complete production and operation management system and is one of the first companies in the industry to pass the ISO9001 quality management system certification, HSE environment, and occupational health and safety management sys...
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