Feature/特征: 

Automatic operation by foat switch (EA series only)/通過浮控開關自動運行(EA系列)

 Dewatering very low water level/殘余水量低 Rust-proof materials/耐腐蝕材料 

Application/應用: 

Fountain, clean water drainage application/噴泉，清水排水系統 

Water supply from wells and rivers/水井和河流向上供水

ce="宋體" >應用: Hot water heating systems of all kinds/熱水采暖系統 Industrial circulation systems/工業循環系統 Cold water system and air-conditioning systems/冷水和空調系統 Roof tank to water tap transfer(ST20/11 with fow switch)/屋頂水箱向下供水增壓(ST20/11配流量開關)