ICS

83.140.30

CCS

G33

中華人民共和國國家標準

GB/T44579—2024

熱塑性塑料分集水器

Waterdistributionandcollectiondevicesofthermoplasticsmaterials

2024-09-29發布2025-04-01實施

國家市場監督管理總局發布

國家標準化管理委員會

GB/T44579—2024

目次

前言

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Ⅲ

1

范圍

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1

2

規范性引用文件

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1

3

術語和定義

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2

4

符號和縮略語

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2

4.1

符號

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2

4.2

縮略語

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2

5

材料和部件

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3

5.1

分集水器

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3

5.2

閥門

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3

5.3

密封件

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3

6

設計

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3

7

要求

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4

7.1

外觀

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4

7.2

顏色

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4

7.3

尺寸

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4

7.4

靜液壓強度

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5

7.5

分集水器物理力學性能

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6

7.6

組合件密封性

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7

7.7

水力平衡性能

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7

7.8

透光率

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7

7.9

衛生要求

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7

7.10

熱循環試驗

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7

7.11

耐拉拔試驗

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8

8

試驗方法

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8

8.1

狀態調節

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8

8.2

外觀及顏色

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8

8.3

尺寸

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8

8.4

靜液壓強度

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8

8.5

熔體質量流動速率變化率

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8

8.6

氧化誘導時間

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8

8.7

灰分

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8

8.8

密度

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8

8.9

維卡軟化溫度

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9

Ⅰ

GB/T44579—2024

8.10

烘箱試驗

························································································

9

8.11

墜落試驗

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9

8.12

顏料分散

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9

8.13

密封性試驗

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9

8.14

水力平衡性能

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9

8.15

透光率

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9

8.16

衛生要求

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9

8.17

熱循環試驗

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9

8.18

耐拉拔試驗

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9

9

檢驗規則

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10

9.1

檢驗分類

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10

9.2

組批和分組

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10

9.3

出廠檢驗

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10

9.4

型式檢驗

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10

9.5

判定規則

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11

10

標志、包裝、運輸和貯存

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11

10.1

標志

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11

10.2

包裝

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11

10.3

運輸

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11

10.4

貯存

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11

11

技術說明

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11

附錄A（資料性）

技術說明

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12

參考文獻

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13

Ⅱ

GB/T44579—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規則》的規

定起草。

請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。

本文件由中國輕工業聯合會提出。

本文件由全國塑料制品標準化技術委員會（SAC/TC48）歸口。

本文件起草單位：上海信領閥業有限公司、上海白蝶管業科技股份有限公司、浙江偉星新型建材股

份有限公司、愛康企業集團（浙江）有限公司、菲索測量控制技術（蘇州）有限公司、天津軍星管業集

團有限公司、浙江中財管道科技股份有限公司、杭州合豐塑膠有限公司、江蘇品升管業股份有限公司。

本文件主要起草人：朱利平、柴岡、靳鐵標、楊興月、張銑、吳曉芬、王百提、朱小勇、楊譯臣、

唐輝。

Ⅲ

GB/T44579—2024

熱塑性塑料分集水器

1范圍

本文件規定了熱塑性塑料分水器、集水器（以下簡稱“分集水器”）材料、設計、要求、試驗方

法、檢驗規則、標志、包裝、運輸和貯存。

本文件適用于建筑冷熱水、飲用水、采暖/制冷、水處理等系統中分集水器的制造與試驗。

2規范性引用文件

下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用

于本文件。

GB/T1033.1塑料非泡沫塑料密度的測定第1部分：浸漬法、液體比重瓶法和滴定法

GB/T2828.1計數抽樣檢驗程序第1部分：按接收質量限（AQL）檢索的逐批檢驗抽樣計劃

GB/T2918塑料試樣狀態調節和試驗的標準環境

GB/T3682.1塑料熱塑性塑料熔體質量流動速率（MFR）和熔體體積流動速率（MVR）的測

定第1部分：標準方法

GB/T6111流體輸送用熱塑性塑料管道系統耐內壓性能的測定

GB/T8801硬聚