GB/T 44579-2024 in English
VALIDWater distribution and collection devices of thermoplastics materials
- Issued on:2024-09-29
- Implemented on:2025-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$272.00
| Standard No: | GB/T 44579-2024 |
| Document status: | VALID |
| Title in English: | Water distribution and collection devices of thermoplastics materials |
| Title in Chinese: | 热塑性塑料分集水器 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-04-01 |
| ICS Classification: | 83.140.30-Plastics pipes, fittings and valves |
| Chinese Classification: | G33-Plastic profile |
| Professional Classification: | GB-National Standard |
| Related Keywords: | water distribution
hot water systems cold water drinking water thermoplastics materials introduction |
| Related Topics: | Calorific value of plastic
Calorific value of plastic Thermoplastic brittleness test Plastic Moisture Meter Plastic Moisture Meter Thermoplastic brittleness test plastic water meter plastic water container Secondary collector thermoplastic Plastic Analyzer |
《GB/T 44579-2024热塑性塑料分集水器》由TC48（全国塑料制品标准化技术委员会）归口，TC48SC3（全国塑料制品标准化技术委员会塑料管材、管件及阀门分会）执行，主管部门为中国轻工业联合会。
Introduction
1. Background and significance of the standard
GB/T 44579-2024 "Thermoplastic manifolds" standard specifies material selection, design requirements and test methods for manifolds in building hot and cold water, drinking water, heating/cooling systems. The standard aims to improve product quality and ensure the safety and reliability of the system.
2. Comparison of standard frameworks
| Standard dimensions | Material requirements | Design specifications | Test methods |
|---|---|---|---|
| Material selection | PVC-U, PE, PP, etc. must comply with relevant standard requirements. | The wall thickness of the main pipe needs to be reinforced, and the connection between the branch pipe and the main pipe should be smoothly transitioned. | Hydrostatic strength test, melt mass flow rate change rate determination. |
| Design requirements | The material must meet the standards of the corresponding pipeline system. | Branch spacing and flow cross-sectional area are clearly specified. | Appearance, size, sealing and other tests. |
| Performance indicators | The physical and mechanical properties of the material must meet the standards. | Hydraulic balance performance calculation formula is provided. | Thermal cycle test, pull-out resistance test, etc. |
Actual application case: Selection of manifolds for hot water systems
When selecting manifolds for hot water systems, special attention should be paid to their high temperature resistance. For example, the manifold made of PE-RT material can still maintain good hydrostatic strength and hydraulic balance performance at 95°C.
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