Standard No.:	JB/T 7947-2017
English Name:	Gas welding equipment. Blowpipes for welding|| cutting and related processes
Chinese Name:	气焊设备 焊接、切割及相关工艺用炬
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Industry and Information Technology
Issued on:	2017-11-7
Implemented on:	2018-4-1
Status:	valid
Superseding:	JB/T 5101-1991 Cutting Torch for Burning Machine JB/T 6969-1993 Injection-type torches for welding JB/T 6970-1993 Injection-type torches for cutting JB/T 7947-1999 Equal pressure welding torch and cutting torch
Language:	English
File Format:	PDF
Word Count:	18000 words
Price(USD):	690.0
Delivery:	via email in 1~5 business day

本标准规定了焊接、切割及相关工艺用炬的分类及型号、主要参数和基本参数、材料、安全和技术要求、试验和方法、检验项目和验收规则、标志、包装和质量文件等。
本标准适用于焊接厚度范围在20mm以内的焊炬，和切割厚度范围在300mm以内的手工及切割机用割炬。也可供烤炬、汽油火焰的焊接、切割及相关工艺用炬参考。
本标准不适用于透平焊炬。