GPA PQ Series Submersible Pumps are submersible pumps with Italian standards, PQ Series GPA Submersible Pumps are equipped with class F motors where the motor has a water filled watertight feature that can protect the motor from water leakage, equipped with a temperature detector and leakage sensor to protect the motor from water leakage and overheat, PQ Series Submersible GPA also includes a double mechanical seal system that operates with an oil bath chamber system that provides longer durability, PQ Series Submersible GPA is also complete with types for sewage pump applications and sludge pumps