The Liberator Vortex is an extension to the Liberator range of submersible dewatering pumps. This model has high resistance to liquids containing sand and gravel with a motor frequency of 50Hz. This unit is able to withstand harsh conditions particularly amongst the abrasive material in sludge content. It is suitable for a range of different applications including emergency dewatering and is completed with TT Pumps high quality build and design for excellent durability.