Standard No.:	GB/T 26255.2-2010
English Name:	Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels―Part 2:Metal fittings for pipes of nominal outside diameter greater than 63 mm
Chinese Name:	燃气用聚乙烯管道系统的机械管件　第2部分：公称外径大于63mm的管材用钢塑转换管件
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:	AQSIQ; SAC
Issued on:	2011-01-14
Implemented on:	2011-6-1
Status:	superseded
Superseded by:	GB/T 26255-2022 Steel-plastic-transition fittings for polyethylene(PE) piping systems for the supply of gaseous fuels
Superseded on:	2022-11-1
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255.0
Delivery:	via email in 1~3 business day

GB 26255的本部分规定了用于公称外径大于63mm的符合GB 15558要求的燃气聚乙烯管道系统中的PE管材与金属管材或管件连接用机械管件的术语和定义、符号和缩略语、材料、一般要求、性能要求、试验方法、标志和标签及包装、运输、贮存等。
本部分适用于承载元件是金属部分的钢塑转换管件，规定了其端部抗载荷能力。本部分规定钢塑转换管件与PE管材一起用于燃气输送系统，包括钢塑直接头、弯头、法兰、三通钢塑转换件等形式，接头为永久性或可拆装的。钢塑转换管件和金属管材或管件组装可采用法兰或焊接连接。