... seat, headrest, shift lever ball and other glass product. High Pressure Foaming MachineMain Technical Parameter* Type: HPM40, HPM20,HPM90/50, ... if needs): 0.7 Mpa, flow capacity: 600NL/min.With the 1.0Mpa pressure relief valve and R3/4 the ... : The Metering Unit,High, Low Pressure Recirculation Switchover Unit,Components Flow Output Control System,Hydraulic Control Unit,High Pressure Mixing Head, The ...