Devices to prevent pollution by backflow of potable water. Pipe interrupter with permanent atmospheric vent DN 10 to DN 20. Family D, type C
防止饮用水回流污染的装置 管道断路器 带永久性大气通风口DN 10至DN 20 D族 C型
2005-12-21
BS EN 14453-2005
Devices to prevent pollution by backflow of potable water. Pipe interrupter with permanent atmospheric vent DN 10 to DN 20. Family D, type C
防止饮用水回流污染的装置 管道断路器 带永久性大气通风口DN 10至DN 20 D族 C型
2006-01-25
DIN EN 14453
Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C
防止饮用水回流污染的装置.带永久大气通风口DN 10至DN 20的管道断路器.D系列 C型;德文版EN 14453:2005
2005-08-01
UNE-EN 14452-2005
Devices to prevent pollution by backflow of potable water. Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20. Family D, type B
防止饮用水回流污染的装置 带大气通风口和移动元件DN 10至DN 20的管道断路器 D族B型
2005-12-14
DIN EN 14452
Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
防止饮用水回流污染的装置.带大气通风口和移动元件DN 10至DN 20的管道断续器.D系列 B型;德文版EN 14452:2005