常州BURKERT黄铜角阀,宝德角座阀销售
BURKERT★宝德/宝帝角阀★055445S
BURKERT★宝德/宝帝角阀★054844Z
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BURKERT★宝德/宝帝角阀★055960A
常州BURKERT黄铜角阀,宝德角座阀销售
宝德电磁阀分步直动式电磁阀 (即反冲型)原理:它的原理是一种直动和先导相结合,通电时,电磁阀先将辅阀打开,主阀下腔压力上腔压力而利用压差及电磁力的同时作用把阀门开启;断电时,辅阀利用弹簧力或介质压力推动关闭密封件,向下移动关闭阀口.特点:在零压差或约有一定压力时也能可靠工作,一般工作压差不超过0.6MPa,但电磁头功率及体积较大,要求竖直安装。德国BURKERT先导式电磁阀,原理:通电时,电磁力驱动先导阀打开先导阀,主阀上腔压力迅速下降,在主阀上下腔内形成压差,依靠介质压力推动主阀关闭件上移,阀门开启;断电时,弹簧力把先导阀关闭,入口介质压力通过节流孔迅速进入主阀上腔在上腔内形成压差,从而使主阀关闭。
BURKERT★宝德/宝帝角阀★055316Y
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BURKERT★宝德/宝帝角阀★055963Z
BURKERT★宝德/宝帝角阀★055167T
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