Covers protective caps for flanged valves with/without internal coating. Use of these is limited to protection during transport and storage to stop dirt entry and connecting surface damage. They do not protect against the result of incorrect handling. Protective caps for pipe fittings and valves with threaded and welded ends are not covered.

- NF EN 12351-1999 工业阀门.带法兰连接的阀门用保护帽( 作废 )
- 发布日期:2018-07-20 实施日期:1999-10-01 发布部门:
- 简介:Covers protective caps for flanged valves with/without internal coating. Use of these is limited to protection during transport and storage to stop dirt entry and connecting surface damage. They do not protect against the result of incorrect handling. Protective caps for pipe fittings and valves with threaded and welded ends are not covered.