上海申福高壓油泵有限公司YFDH-B20H1-S電磁溢流閥型號：

YFDH-L20H1-S，YFDH-L32H1-S，YFDH-L50H1-S，YFDO-L20H1-S，YFDO-L32H1-S，YFDO-L50H1-S， 

YFEH-L20H1-S，YFEH-L32H1-S，YFEH-L50H1-S，YFEO-L20H1-S，YFEO-L32H1-S，YFEO-L50H1-S，

YFDH-B20H1-S，YFDH-B32H1-S，YFDH-B50H1-S，YFDO-B20H1-S，YFDO-B32H1-S，YFDO-B50H1-S， 

YFEH-B20H1-S，YFEH-B32H1-S，YFEH-B50H1-S，YFEO-B20H1-S，YFEO-B32H1-S，YFEO-B50H1-S，

YFDH-F20H1-S，YFDH-F32H1-S，YFDH-F50H1-S，YFDO-F20H1-S，YFDO-F32H1-S，YFDO-F50H1-S， 

YFEH-F20H1-S，YFEH-F32H1-S，YFEH-F50H1-S，YFEO-F20H1-S，YFEO-F32H1-S，YFEO-F50H1-S，

YFDH-L20H2-S，YFDH-L32H2-S，YFDH-L50H2-S，YFDO-L20H2-S，YFDO-L32H2-S，YFDO-L50H2-S， 

YFEH-L20H2-S，YFEH-L32H2-S，YFEH-L50H2-S，YFEO-L20H2-S，YFEO-L32H2-S，YFEO-L50H2-S，

YFDH-B20H2-S，YFDH-B32H2-S，YFDH-B50H2-S，YFDO-B20H2-S，YFDO-B32H2-S，YFDO-B50H2-S， 

YFEH-B20H2-S，YFEH-B32H2-S，YFEH-B50H2-S，YFEO-B20H2-S，YFEO-B32H2-S，YFEO-B50H2-S，

YFDH-F20H2-S，YFDH-F32H2-S，YFDH-F50H2-S，YFDO-F20H2-S，YFDO-F32H2-S，YFDO-F50H2-S， 

YFEH-F20H2-S，YFEH-F32H2-S，YFEH-F50H2-S，YFEO-F20H2-S，YFEO-F32H2-S，YFEO-F50H2-S，

YFDH-L20H3-S，YFDH-L32H3-S，YFDH-L50H3-S，YFDO-L20H3-S，YFDO-L32H3-S，YFDO-L50H3-S， 

YFEH-L20H3-S，YFEH-L32H3-S，YFEH-L50H3-S，YFEO-L20H3-S，YFEO-L32H3-S，YFEO-L50H3-S，

YFDH-B20H3-S，YFDH-B32H3-S，YFDH-B50H3-S，YFDO-B20H3-S，YFDO-B32H3-S，YFDO-B50H3-S， 

YFEH-B20H3-S，YFEH-B32H3-S，YFEH-B50H3-S，YFEO-B20H3-S，YFEO-B32H3-S，YFEO-B50H3-S，

YFDH-F20H3-S，YFDH-F32H3-S，YFDH-F50H3-S，YFDO-F20H3-S，YFDO-F32H3-S，YFDO-F50H3-S， 

YFEH-F20H3-S，YFEH-F32H3-S，YFEH-F50H3-S，YFEO-F20H3-S，YFEO-F32H3-S，YFEO-F50H3-S，

YFDH-L20H4-S，YFDH-L32H4-S，YFDH-L50H4-S，YFDO-L20H4-S，YFDO-L32H4-S，YFDO-L50H4-S， 

YFEH-L20H4-S，YFEH-L32H4-S，YFEH-L50H4-S，YFEO-L20H4-S，YFEO-L32H4-S，YFEO-L50H4-S，

YFDH-B20H4-S，YFDH-B32H4-S，YFDH-B50H4-S，YFDO-B20H4-S，YFDO-B32H4-S，YFDO-B50H4-S， 

YFEH-B20H4-S，YFEH-B32H4-S，YFEH-B50H4-S，YFEO-B20H4-S，YFEO-B32H4-S，YFEO-B50H4-S，

YFDH-F20H4-S，YFDH-F32H4-S，YFDH-F50H4-S，YFDO-F20H4-S，YFDO-F32H4-S，YFDO-F50H4-S， 

YFEH-F20H4-S，YFEH-F32H4-S，YFEH-F50H4-S，YFEO-F20H4-S，YFEO-F32H4-S，YFEO-F50H4-S，