Drainage, Sludge, Slurry, Sand Submersible Pumps The APK Pumps submersible pumps are built from a reliable platform design for use in a variety of applications and industries. We offer electronic and hydraulic lines of submersible pumps used in dewatering and for solids moving purposes. Our submersible drainage pumps, submersible sludge pumps, and submersible slurry and …