Standard No.:	GB/T 29462-2012
English Name:	Isolation valve for power station
Chinese Name:	电站堵阀
Chinese Classification:	J98    Boiler and its auxiliary equipment
Professional Classification:	GB    National Standard
ICS Classification:	23.060.99 23.060.99    Other valves 23.060.99
Source Content Issued by:	AQSIQ;SAC
Issued on:	2012-12-31
Implemented on:	2013-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~3 business day

本标准规定了电站堵阀的术语和定义、订货要求、结构型式、技术要求、试验方法和检验规则、标志、包装、保管、运输、交付文件和使用维修等内容。
本标准适用于以下参数范围的电站锅炉的主蒸汽和再热器系统水压试验用堵阀。
a) 公称压力PN4.0MPa~63.0MPa,最高工作温度不大于450℃;
b) 工作压力P4.0MPa~32.0MPa,最高工作温度不大于620℃;
c) 公称尺寸DN175~DN1200。