Used vertical stainless steel mixing tank with total volume 80 l. Working volume about 60 l. Tank has internal diameter 394 mm x length of straight side of wall 610 mm. Bottom elipsoidal, with central discharge outlet, with manually operated valve. Top cover half open. Tank is equipped with disc agitator driven through vari speed gearbox and el. motor 0.55 kW, 1385 rpm, 230/400 V, 50 hz. Working rotation of agitator adjustable in range from 190 up to 865 rpm. Tank is mounted on 5 stainless steel legs, equipped with wheels.