... key parts as metering pump, high pressure mixing head, PLC etc. are imported, So its with high performance and reliability. Main Technical ... at 20 degrees below zero centigrade; with the1.0Mpa pressure relief valve and R3/4" the ball valve; * ... Unit,Components Flow Output Control System,Hydraulic Control Unit,High Pressure Mixing Head,The Components ContainerUnit,Electrical Control System,Compressed ...