DIN EN 14812:2007 建筑物内水处理设备.化学药品剂量.预调剂量系统.性能要求、安全和试验.德文版本EN 14812:2005+A1-2007
Water conditioning equipment inside buildings - Chemical dosing systems -
Pre-set dosing systems - Requirements for performance, safety and testing(includes Amendment A1:2007)
English version of DIN EN 14812:2007-09
This European Standard specifies definitions, principles of construction (but not dimensions) and design, requirements on performance and operation as well as methods for testing the performance of chemical pre-set dosing systems for conditioning water intended for human consumption inside buildings (see [8]) which are permanently connected to the mains supply.