... 1.Positive Displace Flow meter and pump, such as 1.5", 2", 3" flow meter, 2" , 2.5",3" Vane pump for Oil ... dispenser components, including meter, combinated vane pump, gear pump, submersible pump, automatic nozzle, solenoid valve, etc 3.LPG dispenser components, ... including, LPG pump, LPG nozzle, meter, air aliminator, etc. 4.Electric ...