Hydraulic Control Proportional Directional Spool Valve 

PSL Control Valve Block 3 series of electric proportional multi-way valve is widely used in concrete boom pump truck, crane truck and other various types of vehicles and equipments which need remote control and proportion handle operation. Our company has the valves similar as world-famous brand valves. This kind of valve is our company main product. All of the customers are welcome to consult, if you have the special requirement.   5 Valve Plates 3 Series  For Concrete Boom Pumps Vehicles HLPSL3C1C/350-3-32H40/40A300B300N/EA2                                -32L40/25NN/EA2                                -32L16/16NN/EA2                                -32L16/16NN/EA2  &n…