And our automatic ball valve and LCD thermostat have got patent in China and CE certification in Europe.
韦纳电动球阀和彩色液晶温控器，均获国家专利，电动球阀也具有欧洲CE认证。
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .
本发明公开了一种压差式自动关闭阀，该阀包括阀体、通端盖、阀芯球、弹簧座、弹簧、进口端、出口端；
When the water level drops, the main valve is composed of a floating ball switch control to open the water inlet to the water tank, automatic replenishment.
当水位下降后，主阀由浮球开关控制打开进水口向水池汪水，实现自动补水。
The principle and key points in the design of floating decanter with automatic rubber ball valve were introduced, and the performance of domestically produced large floating decanter was described.
介绍了采用自动橡胶球阀的浮动式滗水器设计原理和设计要点，并详述了完全国产化生产的大型浮动式滗水器在实际运行中的性能。
The utility model discloses a three-jaw quick joint automatic opening and closing ball valve used for connecting a sprinkling standpipe and a sprinkler.
本实用新型是用于连接喷灌立管和喷头的一个三爪快速接头的自动开关球阀。
The automatic drainage in front of the ball valve closed;
将自动排水器前面的球阀关闭；
The automatic drainage in front of the ball valve closed;
将自动排水器前面的球阀关闭；
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