Used vertical stainless steel jacketed mixing tank with total volume 500 l. Tank has internal diameter 960 mm x length of straight side of wall 565 mm. Top open, equipped with bolted stainless steel cover. Tank has stainless steel frame agitator with side wall scrappers and reducer. Electric motor not included. Bottom spherical, with flat center. Discharge outlet has diameter 100 mm and is equipped with pneumatically operated valve. There is also bottom connection with diameter 190 mm. Tank is mounted on three stainless steel legs.