钢制管路法兰 类型与参数
Steel pipe flange - Types and parameters
2015-10-10
GB/T 13402-2019
大直径钢制管法兰
Large diameter steel pipe flanges
2019-05-10
ISO 7005-1-2011
Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
管法兰第1部分:工业和一般服务管道系统用钢法兰
2011-07-15
CB/T 49-2007
船用搭焊钢环松套钢法兰
Marine combination pipe flanges of slip-on steel outer flanges of fillet weld-on steel inner flanges
2007-03-23
CB/T 52-2007
船用铜管折边松套钢法兰
Marine steel pipe flanges for expanded end copper pipes
2007-03-23
DIN 2874
Flanged steel pipes and flanged steel or cast iron pipes and fittings with PTFE or PFA linings - Technical delivery conditions
内衬PTFE或PFA的钢法兰管及钢和铸铁法兰配件.技术规范