SN NS 7308-1981 标准详情
- 标准号:SN NS 7308-1981
- 中文标题:
- 英文标题:Valves - Cast steel gate valves - With flanges DN 40 to DN 500 - Flexible wedge - Stainless steel seats - Rising stem - Nominal pressure PN 25 - Max. temperature 400 degrees C Rarmatur - Sluseventiler av stest - Med flenser DN 40 til DN 500 - Fleksib
- 标准类别:挪威标准SN NS
- 发布日期:1981-02-01