... -B is specially designed to test the flange ends connections valves, like gate valve, globe valve, check valve, ball valve, ... plug valve and other control valves.Testing Scope: DN15-DN1200 Pressure: Class150-Class2500End: Flange RF ... made in Carbon steel or stainless steel, Main parts: low pressure pimp,. high pressure pump, motor, oil pump, solenoid valve,non return ...