Standard No.:	GB/T 43492-2023
English Name:	Thermal preinsulated ductile iron pipes|| fittings and accessories
Chinese Name:	预制保温球墨铸铁管、管件和附件
Chinese Classification:	H48    Steel tube and cast iron pipe
Professional Classification:	GB    National Standard
Source Content Issued by:	State Administration for Market Regulation; Standardization Administration of China
Issued on:	2023-12-28
Implemented on:	2024-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	17000 words
Translation Price(USD):	510.0
Delivery:	via email in 1~5 business day

本文件规定了预制保温球墨铸铁管、管件和附件的技术要求、试验方法、检验规则和标识。
本文件适用于在工厂预制完成，保温材料为硬质聚氨酯泡沫塑料，输送温度不低于0　℃、设计温度不高于130　℃的水，公称直径为DN40~DN1600的预制保温球墨铸铁管、管件和附件，包括：
――用于给水、排水、供热、供冷等管道工程；
――用于有压或无压输送（供热用途时设计压力不超过2.5 MPa)；
――用于地下（直埋、管沟、综合管廊)或地上（架空)敷设。