Ballast tank for assembly of gram-box photovoltaic panels

The ballast assembly system of Gram-Box photovoltaic panels is an innovative solution designed for use on flat surfaces and oblique roofs with a slope of up to 10 degrees; Selected features: The tank is supplied to the user with a glycol concentrate and weighs 10 kg, therefore, to determine the recommended mass of 60 kg, add 50 liters of network water, which is transferred to obtaining the recommended mass and concentration of a glycol solution equal to 10.7% ;