北京华德液压全系列 具体型号及报价请联系客服
北京华德遥控阀部分型号:
DBTA1-30B/315G24NZ4 DBTB1-30B/315G24NZ4
DBTA1-30B/315G24NZ5 DBTB1-30B/315G24NZ5
DBTA1-30B/315G24NZ5L DBTB1-30B/315G24NZ5L
DBTA1-30B/315W220-50NZ4 DBTB1-30B/315W220-50NZ4
DBTA1-30B/315W220-50NZ5 DBTB1-30B/315W220-50NZ5
DBTA1-30B/315W220-50NZ5L DBTB1-30B/315W220-50NZ5L
DBTA2-30B/315G24NZ4 DBTB3-30B/100G24NZ4
DBTA2-30B/315G24NZ5 DBTB3-30B/100G24NZ5
DBTA2-30B/315G24NZ5L DBTB3-30B/100G24NZ5L
DBTA2-30B/315W220-50NZ4 DBTB3-30B/100W220-50NZ4
DBTA2-30B/315W220-50NZ5 DBTB3-30B/100W220-50NZ5
DBTA2-30B/315W220-50NZ5L DBTB3-30B/100W220-50NZ5L
DBTA3-30B/315G24NZ4 DBTB3-30B/315G24NZ4
DBTA3-30B/315G24NZ5 DBTB3-30B/315G24NZ5
DBTA3-30B/315G24NZ5L DBTB3-30B/315G24NZ5L
DBTA3-30B/315W220-50NZ4 DBTB3-30B/315W220-50NZ4
DBTA3-30B/315W220-50NZ5 DBTB3-30B/315W220-50NZ5
DBTA3-30B/315W220-50NZ5L DBTB3-30B/315W220-50NZ5L
止回阀还可用于给其中的压力可能升至超过系统压的辅助系统提供补给的管路上。止回阀主要可分为旋启式止回阀(依重心旋转)与升降式止回阀(沿轴线移动)。
止回阀这种类型的阀门的作用是只允许介质向一个方向流动,阻止反方向流动。通常这种阀门是自动工作的,在一个方向流动的流体压力作用下,阀瓣打开;流体反方向流动时,由流体压力和阀瓣的自重合阀瓣作用于阀座,从而切断流动。