three Screw Pump be used transfer many kind of oil, like: diesel fuel oil, lube oil, engine oil etc, temperature can not over 150 degree. three screw Oil Pump's flow rate and pressure all higher than Gear Pump's, so when gear pump can not meet customer's requirment we will choose three screw oil pump for customer. this kind of pump smooth operation, low noise, widely used in various industries. heat insulation jacket Three Screw Pump can be used to transfer high temperature high viscosity oil and bitimen. pump max can bear 300 degree.