Radial-flow impeller


% Heidolph TR 21 Radial-Flow Impeller (V4A) • Due to the jagged shape of the stirrer blade, the radial flow impeller TR 21 is ideally suited for the construction of emulsions and the gassing or foaming of liquids in vessels with the following characteristics: • Ideal vessel diameter: 143- 250 mm • Ideal ground clearance: 25- 50 mm • Ideal filling level: 143- 250 mm • Ideal volume: 2,300- 12,300 ml • The radial-flow impeller TR 21 has a total length of 400 mm and is made of stainless steel. Its stirrer shaft has a diameter of 8 mm.	% Heidolph TR 20 Radial-Flow Impeller (V4A) • Due to the jagged shape of the stirrer blade, the radial flow impeller TR 20 is ideally suited for the construction of emulsions and the gassing or foaming of liquids in vessels with the following characteristics: • Ideal vessel diameter: 80- 140 mm • Ideal ground clearance: 14- 28 mm • Ideal filling level: 80- 140 mm • Ideal volume: 400- 2,200 ml • The radial-flow impeller TR 20 has a total length of 400 mm and is made of stainless steel. Its stirrer shaft has a diameter of 8 mm.