FK combined valve block is used with BZZ full hydraulic steering gear to provide safety protection for hydraulic steering gear series. Among them, the oil inlet check valve, safety valve, two-way overload valve and two-way oil supplement valve are combined. The valve block is compact in design and small in volume. It is directly installed on the oil port surface of the hydraulic steering gear, which is practical and convenient. 

2.Function symbol and product model meaning

3.Outline drawing of FK combined valve block