... Bolev welcomes your visit!HRS-03 2 way 3 position foot control valve, it is used for convert a excavator into a ... port in, A port out, T port return line;position 1, P port to T port, direct to return ... line, breaker does not work;Position 2, P port to A port, breaker valve starts to work;easy assembly;working ... after date of on board.Hyraulic Symbol:Dimensions: Foot control rock breaker valve