Standard No.:	GB/T 28799.3-2020
English Name:	Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 3:Fittings
Chinese Name:	冷热水用耐热聚乙烯（PE-RT）管道系统 第3部分：管件
Chinese Classification:	G33    Plastic profile
Professional Classification:	GB    National Standard
ICS Classification:	83.140.30 83.140.30    Plastics pipes and fittings for non fluid use 83.140.30
Issued by:	SAMR and SAMR
Issued on:	2020-11-19
Implemented on:	2021-6-1
Status:	valid
Superseding:	GB/T 28799.3-2012 Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 3: Fittings
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255.0
Delivery:	via email in 1~3 business day

GB/T 28799 的本部分规定了耐热聚乙烯（PE-RT）管件（以下简称管件）的术语、定义、符号和缩略语、材料、产品分类、要求、系统适用性、试验方法、检验规则、标志、包装、运输和贮存。
本部分与GB/T 28799的其他部分一起适用于冷热水管道系统，包括民用与工业建筑的冷热水、饮用水和采暖系统、温泉管道系统和集中供暖二次管网系统等。
本部分适用于PE-RT Ⅰ型和PE-RT Ⅱ型管件。
本部分的PE-RT Ⅰ型管件不适用于温泉管道系统和集中供暖二次管网系统。