1. foot valve for rock/concrete breaker; 2. direct mount, easy, ... visit!HRS-03 2 way 3 position foot control valve, it is used for convert a excavator into ... , P 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 ... .Hyraulic Symbol:Dimensions: Foot control rock breaker valve