The document relates requirements, types, material and marking to protective caps for flanged valves with and without internal coating.
- DIN EN 12351-1999 工业阀门.带法兰联接的阀门用护罩.德文标准12351:1999（ 现行 ）
- 发布日期：2018-07-20 实施日期： 发布部门：
- 简介：The document relates requirements, types, material and marking to protective caps for flanged valves with and without internal coating.