Tangye pumps are invaluable when no power supply is available. Hydrapak pumps are critical components of a backup system. Tangye supports and distributes Hydrapak pumps, Hydraclaw, Hydramite, and Hydralite hydraulic jacks. Check the complete range of Tangye products: https://www.hi-press.co.uk/tangye-hydraulic-equipment/tangye-hydrapak-hydrauilc-pumps/