多样的换流器，阀门的SM12系列

1)Instruction: The valve is the introduction of technology innovation in the enterprise to digest the multi-way valve,for smaill excavators and other construction machinery hydraulic system,for one or more of the actions start,stop,change the direction of asphalt to achieve centralized control over the implementing agenciey. 2)Main Technical Parameters: Max.pressure: Port A and B: 250 bar PortP:200 bar Port T:15 bar Port a,b: 30 bar Valve element control forces:Max.14N