High Pressure Foaming Machine For car steering wheel, dashboard, seat, headrest, shift lever ball and other glass product. High Pressure Foaming MachineMain ... 20 degrees below zero centigrade; with the1.0Mpa pressure relief valve and R3/4" the ball valve;* ... Components Flow Output Control System,Hydraulic Control Unit,High Pressure Mixing Head, The Components ContainerUnit,Electrical Control System ...