EnerMech Water Weights

EnerMech Water Weights (Pty) Ltd, based in Cape Town, South Africa, has a 30 year history of offering a safe, economic, viable alternative to load testing lifting equipment.

Water Weights water filled proof load bags are a unique and simple product specifically designed to provide a test load instead of using traditional solid weights for all forms of load testing.

The benefits of using Water Weights bags are as follows:

  • Lighter than standard sold weights resulting in easier handling.
  • Bags are fully rigged and ready to hang and fill.
  • Controlled filling and emptying is simple.
  • The load is measured accurately with a certified flowmeter and or loadcell.
  • Ability to perform non-destructive load testing (not possible with solid weights)

EnerMech Water Weights has the exclusive licence to use and hire out the patented Water Weights load testing water bags in the Western Cape, Eastern Cape and Northern Cape provinces of South Africa and Namibia, and a non-exclusive licence for the rest of Sub-Saharan Africa.


Water Weights water bags are certified in accordance with Health and Safety Executive and American Bureau of Shipping requirements as well as being approved by the American Bureau of Shipping and the U.K. Department of Trade and Industry. The bags have been specifically designed and physically proof load tested to verify their operational integrity - physically proven factor of safety in excess of the equivalent of 6:1 and are proof load tested to over 2:1 prior to being taken into service.

Legislated by the Department of Labour through the O.H.S Act - Driven Machinery Regulation 18 - Lifting Machines & Lifting Tackle with particular reference to sub-section 5.