GB/T 33608-2017 in English
VALIDUnplasticized poly(vinyl chloride)(PVC-U)structured-wall pipes for soil and waste discharge inside buildings
- Issued on:2017-05-12
- Implemented on:2017-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$194.00
《GB/T 33608-2017建筑排水用硬聚氯乙烯（PVC-U）结构壁管材》由TC48（全国塑料制品标准化技术委员会）归口，主管部门为中国轻工业联合会。
Introduction
GB/T 33608—2017 Standard Overview
This standard specifies in detail the terminology, material requirements, classification and marking, physical and mechanical properties and test methods of rigid polyvinyl chloride (PVC-U) structural wall pipes for building drainage. It is applicable to structural wall pipes made of polyvinyl chloride resin as the main raw material and formed by extrusion.
Comparison of Standard Frameworks
| Chapter | Main Content | Key Requirements |
|---|---|---|
| 1. Scope | Scope of application and scope of non-application | Clearly applicable to PVC-U structural wall pipes for building drainage |
| 3. Terms and Definitions | Explanation of core terms | Including professional terms such as screw rib and structural wall thickness |
| 5. Classification and Marking | Pipe classification and marking requirements | Solid wall internal spiral pipe, hollow wall pipe, hollow wall internal spiral pipe |
Technology Evolution Analysis
The application of PVC-U pipes in the field of building drainage has evolved from solid wall to structural wall, which is mainly reflected in:
- Material improvement:Resin quality has been improved and the types of additives have been optimized.
- Structural innovation:Development from a single solid wall to a multi-cavity structure improves drainage efficiency and compressive performance.
- Process upgrade:The advancement of extrusion molding technology has reduced production costs and improved product quality.
Implementation suggestions
Case analysis: Application of PVC-U pipes in a building drainage system
In a high-rise residential project, hollow wall spiral pipes with a diameter of 110mm in accordance with the GB/T 33608-2017 standard were used. During the construction process, strictly follow the following steps:
- Material selection:Select appropriate PVC-U pipes according to design requirements and site conditions.
- Installation precautions:Ensure that the pipe curvature is ≤0.5% and the out-of-roundness is ≤0.024 times the nominal outer diameter.
- Performance test:Re-check key indicators such as density and Vicat softening temperature.
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