... test,High pressure closure test API Gate Valve Pressure Testing Bench1.Testing SizeDN15-DN12002.Pressure to 630Bar3.Shell test,High pressure ... of Hydraulic system, Electrical system, pressure gauge system, control panel system, the tubes and fittings are all made in Carbon ... steel, Main parts: low pressure pimp,. high pressure pump, motor, oil pump, solenoid valve,non return valve , clamping fixture ...