Standard No.:	JB/T 7245-2017
English Name:	Steel and iron shut off valve and lift check valve in refrigeration
Chinese Name:	制冷系统用钢制、铁制制冷剂截止阀和升降式止回阀
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2017-11-07
Implemented on:	2018-4-1
Status:	valid
Superseding:	JB/T 7245-1994 Globe Valve for Refrigeration Device
Target Language:	English
File Format:	PDF
Word Count:	8000 words
Translation Price(USD):	240.0
Delivery:	via email in 1~3 business day

本标准规定了制冷系统用钢制、铁制制冷剂截止阀和升降式止回阀的术语可定义、型式和基本参数、要求、试验方法、检验规则及标志、包装、运输和贮存。
本标准适用于公称压力PN≤65, 公称通径DN6～DN450，温度-60℃～+150℃、以 R22、R717、R744、R404A、R134a、R32、R407C、R410A等为常用制冷剂的制冷通用管路钢制和铁制截止阀和升降式止回阀。
制冷系统用钢制和铁制调节阀、截止止回阀可参照本标准执行。