SDNR是什么材质或是类型的阀

星星亮了 · 发表于 2010-6-13 19:29

想请教下各位大侠，SDNR是什么东东啊？在船检图纸箱柜蒸汽加热系统退审意见中提到： STEAM SUPPLY VALVES, FITTED AT OIL TANK'S INLET AND PIPES ARE EDNED IN THE TANKS FOR THE CLEANING PURPOSE,ARE RECOMMENDED BEING REPLACED WITH A SDNR TYPE.
谢谢啊····！

yrj200911 · 发表于 2010-6-13 20:15

SCREW-DOWN NON-RETURN VALVE截止止回阀

oscar · 发表于 2010-6-13 20:42

翻译的很麻烦啊

[轮机] SDNR是什么材质或是类型的阀