北京华德液压全系列 具体型号及报价请联系客服
北京华德先导式溢流阀部分型号：
DB30B-3-30B/200Y DB30AG-2-50B/100Y
DB30B-3-30B/315 DB30AG-2-50B/200
DB30B-3-30B/315X DB30AG-2-50B/200X
DB30B-3-30B/315XY DB30AG-2-50B/200XY
DB30B-3-30B/315Y DB30AG-2-50B/200Y
DB30B-3-30B/50 DB30AG-2-50B/315
DB30B-3-30B/50X DB30AG-2-50B/315X
DB30B-3-30B/50XY DB30AG-2-50B/315XY
DB30B-3-30B/50Y DB30AG-2-50B/315Y
DB30G-1-30B/100 DB30AG-2-50B/50
DB30G-1-30B/200 DB30AG-2-50B/50X
DB30G-1-30B/315 DB30AG-2-50B/50XY
DB30G-1-30B/50 DB30AG-2-50B/50Y
DB30G-1-50B/100 DB30B-1-30B/100
DB30G-1-50B/200 DB30B-1-30B/100X
DB30G-1-50B/315 DB30B-1-30B/100XY
DB30G-1-50B/50 DB30B-1-30B/100Y
DB30G-2-30B/100 DB30B-1-30B/200
DB30G-2-30B/200 DB30B-1-30B/200X
DB30G-2-30B/315 DB30B-1-30B/200XY
DB30G-2-30B/50 DB30B-1-30B/200Y
DB30G-2-50B/100 DB30B-1-30B/315
DB30G-2-50B/200 DB30B-1-30B/315X
DB30G-2-50B/315 DB30B-1-30B/315XY
DB30G-2-50B/50 DB30B-1-30B/315Y
旋启式止回阀的功能是用来防止管路中的介质倒流。止回阀属于自动阀类，启闭件靠流动介质的力量自
行开启或关闭。止回阀只用于介质单向流动的管路上，阻止介质回流，以防发生事故。 本公司生产的美标止回阀按照ANSIB16.34标准设计制造。品种有：旋启式止回阀，升降式止回阀，升降立式止回阀；Class 150lB～900Lb；NPS1"～28"工作温度-40～570℃;阀体材料有：WCB，WC1，WC6，WC9，C5，CF3，CF8，CF3M，CF8M等。旋启式止回阀适用介质：水，蒸气，油品，硝酸，强氧化介质和尿素等。