pipe insulation for heat supply in XingBang factory - DN50
| Type: Other Heat Insulation Materials | Place of Origin: Hebei China (Mainland) | Brand Name: XingBang | Model Number: DN50 |
| color: yellow,black | length: 12meter or as request | steel pipe specification: 57*3.5mm | insulation thickness: 28.5mm |
| HDPE pipe specification: 120*3.0mm | certification: ISO9001,14001 |
| Product name | pipe insulation for heat supply in XingBang factory |
| heat supply pipe pipe insulation insulation pipe | |
| Composition | 1.inner steel pipe 2.polyurethane insulation layer 3.outer HDPE protection pipe |
| Usage | 1.urban centralized heat supply 2.warm room 3.coal mine 4.petroleum 5.chemical and other anti-corrosion insulation field |
| Medium temperature | 50-140centigrade |
| Working pressure | Less than 2.5Mpa |
| Working lifetime | 30-50years |
| Laying method | 1.direct bury 2.built on stilts 3.trench |
| Technology | 1.Advanced Corona treatment 2.Impeller blasting 3. Leakage alarm line |
| Standards | CJ/T114-2000, CJ/T155-2001, EN253:2003 GB/T9711.1-1997, GB/T8163-1999 |
| Advantages | 1.good insulation properties ,low heat loss (the 25% of traditional pipes), 2.energy saving 3.waterproof and corrosion resistance 4.no trench, be directly buried in ground or water |
our certifications
Indexes
| performance indexes | Reference standard | Standard requirements | Our values |
Outer casing tube | |||
| Density (kg/m3) | EN253-4.3.1.1 CJ/T114-4.2.3.1 | ≥944 ≥940 | 948.2 |
| Breaking elongation(%) | EN253-4.3.2.5 CJ/T114-4.2.3.4 | ≥350 ≥350 | 811 |
| Tensile yield strength: (MPa) | CJ/T114- | ≥19 | 20.5 |
| Longitudinal retraction rate (%) | EN253-4.3.2.6 CJ/T114-4.2.3.5 | ≤3 ≤3 | 1.23 |
| Long term mechanical properties | EN253-4.3.2.7 CJ/T114-4.2.3.6 | >2000h(80°C,4.0MPa) unbroken | qualified |
| Melt flow rate difference (g/10min) | EN253-4.3.1.2 CJ/T114-4.2.3.2 | ≤0.5 ≤0.5 | 0.08 |
| Carbon black content(%) | EN253-4.3.1.1 CJ/T114-4.2.3.1 | 2.5±0.5 2.5±0.5 | 2.4 |
Polyurethane foam thermal insulation layer | |||
| Density(kg/m3) | EN253-4.4.3 CJ/T114-4.3.2 | ≥60 ≥60 | 71.1 |
| Average aperture(mm) | EN253-4.4.2 CJ/T114-4.3.1 | <0.5 ≤0.5 | qualified |
| Obturator rate(%) | EN253-4.4.2 CJ/T114-4.3.1 | ≥88 ≥88 | 94 |
| Compression strength (MPa) | EN253-4.4.4 CJ/T114-4.3.3 | ≥0.3 ≥0.3 | 0.58 |
| Water absorption(%) | EN253-4.4.5 CJ/T114-4.3.4 | After immersion 90minutes in the boiling water,bibulous rate should not be more than 10% of the original size | ≤5.53 |
| Thermal conductivity before agingW/(M*K) | EN253-4.5.5 CJ/T114-4.3.5 | ≤0.033 ≤0.033 | 0.032 |
| cavity | EN253-4.4.2 CJ/T114-4.3.1 | ≤1/3(the thickness of the insulation layer) | qualified |
Finished tube | |||
| Pipe end without soaking zone(mm) | EN253-4.5.1 CJ/T114-4.4.1 | ≥150 150-250 | 220±30 |
| Increase rate of outer casing tube diameter(%) | CJ/T114-4.4.2 | ≤2 | 1.2 |
| Axis eccentricity(mm) | EN253-4.5.3 CJ/T114-4.4.2 | Reference to the 4.5.3terms Reference to the 4.4.3terms | qualified |
| Life expectancy | EN253-4.5.4.2 CJ/T114-4.4.4.1 | 120°C30years,115°C50years ,120°C30years | qualified |
| Shear strength MPa(170°C,1450h after aging) | EN253-4.5.4.2 CJ/T114-4.4.4.2 | (23±2°C≥0.12 (140±2°C)≥0.08 | 0.181 0.106 |
| Shock resistance | EN253-4.5.4.2 CJ/T114-4.4.5 | Reference to the 4.5.6terms Reference to the 4.4.5terms | qualified |
| Resistance value between alarming lines(MΩ) | CJ/T114-4.4.6 | 20MΩ-∝ | qualified |
Welcome to have a visit to our factory
Any inquiry ,please feel free to contact me,Hily Yue
Tel&Fax:86-315-5773300
Mob:86-18331512911
Skype:yhjhily
We are sincerely wish to cooperate and build long term business relationship with you.
After receiving your inquiry, i'll give you the quotation,payment term,delivery time ,shipment and detail informations.
| Packaging Detail:the end with plastic film packaged or as request |
| Delivery Detail:within 20-30days after receiving your deposit or depends |
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