Standard No.:	GB/T 26478-2011
English Name:	Globe valves for ammonia and lift check valves
Chinese Name:	氨用截止阀和升降式止回阀
Chinese Classification:	J16    Valve
Professional Classification:	GB    National Standard
ICS Classification:	23.060.50 23.060.50    Check valves 23.060.50
Issued by:	MOH
Issued on:	2011-5-12
Implemented on:	2011-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240.00
Delivery:	via email in 1~3 business day

本标准规定了氨用截止阀和升降式止回阀的结构形式、技术要求、材料、试验方法、检验规则、标志、涂漆、包装和贮运。
本标准适用于公称压力PN10~PN40,公称尺寸不大于DN300,适用温度为-46℃~150℃,使用介质为氨气、氨水和液氨,端部连接形式为螺纹、焊接和法兰连接的截止阀和升降式止回阀。
氨用节流阀可参照本标准。