Our precision stainless steel AISI 304 submersible pumps are with semi-axial impeller and diffuser.The guide bearings and wear rings are made of special nitrile rubber which ensures high resistance to wear.Threaded delivery port with non-return valve.Coupling and flange dimensions meet NEMA standards.Can exchange with the Franklin motors.These pumps provide significant performance,quiet,reliable,vibration-free running. Our high quality pumps are to be your best choice for the applications in agricultural irrigation,water supply,pressure boosting and fire-fighting systems.