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MORE +PVC-UH high performance PVC pipe for water supply
Published:
2020-12-31
The high performance hard PVC pipes (PVC-UH) produced by Shandong Huitongda Plastic Industry Co., LTD for water supply are made of hard polyethylene (PVC) with graded minimum strength (MRS) greater th
Performance and advantages of high performance hard PVC pipes (PVC-UH) for water supply
The high performance hard PVC pipes (PVC-UH) produced by Shandong Huitongda Plastic Industry Co., LTD for water supply are made of hard polyethylene (PVC) with graded minimum strength (MRS) greater than or equal to 25Mpa as raw materials, which are extruded and fitted with an integrated steel framework socket seal ring by an automatic extruder. In the test and evaluation of various indexes of the product, all the performance indexes are superior to the requirements stipulated in CJ/T493-2016 formulated by the Ministry of Urban Construction of China.
Compared with PVC-U pipe, PVC-UH pipe has better performance, wider application range and more obvious advantages.
I. Performance characteristics
Color: Blue
1. High strength and corrosion resistance
Pvc-uh pipes refer to ISO1452-2 standard, and the classification requirements of mixed ingredients for pipes are clearly stipulated, that is, MRS≥25Mpa of mixed ingredients for PVC-UH pipes. Therefore, the water pressure resistance, impact resistance and tensile strength of the pipe are better than the common pipe.
2. Convenient connection, reliable and stable
Compared with PVC-U pipe and other types of pipe socket, pvC-UH pipe adopts one-piece steel skeleton sealing ring. It is characterized by the integration of the gasket and the spout, which is quick and convenient to install, and avoids the problems such as the distortion, deformation and dislocation of the rear gasket in the installation, thus ensuring the installation quality and the sealing of the connection.
3. Online stress tests
Advanced production technology, higher detection requirements, pipe at double nominal pressure to do the whole pipe hydrostatic test, maintain at least 5s, pipe and cap should be no rupture and leakage. Pressure testing shall be carried out on both the pipe and the flaring part. The test ensures the quality of each off-line pipe (including the socket part), realizes the process inspection and real-time monitoring of pipe, and ensures the product is 100% qualified.
4. Excellent sanitary performance
PVC-UH pipe adopts organic tin or calcium - zinc formula instead of the traditional compound lead salt formula, the realization of green lead-free formula system, so as to make the water more hygienic. Pvc-uh pipes can be safely used in the field of drinking water transportation, providing favorable resources for China to realize direct drinking of tap water.
2. Wider application areas
1. Building water supply
Small-caliber PVC-UH pipes can be widely used in building drinking water pipes, with advantages of low cost, corrosion resistance, high strength, reduced maintenance and replacement.
2. Municipal water supply, pipe gallery construction and water conservancy projects
3. Large caliber PVC-UH pipes can replace cast iron pipes and cement pipes, with good fluidity, light quality, low cost and easy installation.
4. Medium water and chemical medium transportation, municipal confined water drainage, etc.
Iii. Pvc-uh has the following advantages over PVC-U pipe
1. Stricter requirements for mixing ingredients
2. With the increase of large-diameter specifications, compared with PVC-U pipe, the caliber of PVC-UH pipe increases to 1600mm.
3. Higher test requirements
(1) Flattening test and performance index of circular tensile strength were added. Compared with PVC-U pipe, the requirements of external forces on the pipe were increased, so that the pipe could meet the performance requirements of large-diameter pipe gallery construction and the product quality of each pipe could be controlled from the process of product production.
(2) Compared with the test requirements of PVC-U pipe, the technical requirements of PVC-UH pipe, such as density, veca softening temperature, longitudinal shrinkage rate, dichloromethane dipping test, falling water impact, hydrostatic strength, etc., are compiled according to ISO 1452-2, and the performance indexes of the pipe are higher.
4. Unique connection mode
Pvc-uh pipe adopts different connections from PVC-U pipe:
(1) One-piece steel frame sealing ring structure: the rubber ring and the flapping are integrated to avoid hidden dangers such as misplacement, deformation and movement of the rubber ring in the process of pipe installation. Improved the sealing of the connection to ensure the installation quality.
(2) Steel-plastic connectors: Solve the problem of connecting large-diameter PVC pipes.
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