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