Stirrer


% Heidolph Shaft guard Hei-TORQUE Core incl. adapter • Material: PMMA • Incl. adapter set • Adjusts between 187 mm and 312 mm	% Heidolph Stirrer guide NS 29/32, PTFE Ground joint cone made of PTFE with sealing rings on the outside to prevent sticking of the connection and to reduce danger of breaking glass. A special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft. This gasket can be exchanged after wearing. • Accepts Ø 8 mm shafts Applications: Suitable for vacuum, perfect bearing for stainless steel and glass stirrer shafts.	% Heidolph Clamp For stand S2, S2 XXL and telescope stand • Ø 13-32 mm	% Heidolph H-frame stand S2 • Stand tube Ø: 25 mm • Length: 700 mm • Leg distance: 370 mm • Weight: 5.8 kg
% Heidolph H-frame stand S2 XXL • Stand tube Ø: 25 mm • Length: 1,000 mm • Leg distance: 370 mm • Weight: 6.0 kg	% Heidolph Telescope stand • Stand tube Ø: 32 mm • Adjustable length: 725 - 1,025 mm • Leg distance: 370 mm • Weight: 7.7 kg	% Heidolph AR 19 Anchor-Type Impeller (PTFE) • Particularly in applications with very viscous media, it is important to have a stirring tool in use that enables the mixing process up to the edges of the vessel. This explains the shape of the anchor-type impeller and the width of the stirring blade of 60 mm. •The AR 19 anchor-type impeller is ideal for vessels with the following characteristics: • Ideal vessel diameter: 67 mm • Ideal ground clearance: 2 mm • Ideal filling level: 67 mm • Ideal volume: 200 ml •The anchor-type impeller consists of a PTFE blade and a PTFE-coated stainless steel shaft. The stainless-steel core ensures the stability of the stirrer shaft and the secure attachment in the overhead stirrer. The diameter in the clamping area is 6.5 mm; the stirrer shaft with the thick-walled PTFE coating has a diameter of 8 mm. • Due to its anti-adhesive property (non-stick coating), the anchor-type impeller is easy to clean and can be used up to a maximum application temperature of 250°C.	% Heidolph BR 10 Cross-Blade Impeller (V4A) • Due to its blade dimensions, the straight-blade impeller BR 11 is ideally suited for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 100 mm • Ideal ground clearance: 5 mm • Ideal filling level: 100 mm • Ideal volume: 800 ml • The straight-blade impeller BR 11 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.
% Heidolph BR 11 Straight-Blade Impeller (V4A) • Due to its blade dimensions, the straight-blade impeller BR 11 is ideally suited for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 100 mm • Ideal ground clearance: 5 mm • Ideal filling level: 100 mm •Ideal volume: 800 ml • The straight-blade impeller BR 11 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.	% Heidolph BR 12 Pivoting-Blade Impeller (V4A) • Especially when using narrow-necked vessels, e.g. round-bottom flasks, a stirring tool with pivoting blades is used. Just like our pivoting-blade impeller BR 12. •This blade impeller is ideal for dissolving and homogenizing in vessels with the following characteristics: • Ideal vessel diameter: 120 mm • Ideal ground clearance: 6 mm • Ideal filling level: 120 mm • Ideal volume: 1,400 ml • The pivoting-blade impeller BR 12 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.	% Heidolph BR 13 Square-Blade Impeller (V4A) • Due to its blade dimensions, the square-blade impeller BR 13 is ideal for loosening and homogenizing in vessels with the following characteristics: • Ideal vessel diameter: 140 mm • Ideal ground clearance: 7 mm • Ideal filling level: 140 mm • Ideal volume: 2,200 ml • The square-blade impeller BR 13 has a total length of 450 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.	% Heidolph BR 14 Collapsible-Blade Impeller (V4A) • Especially when using narrow-necked vessels, e.g. round-bottom flasks, an stirring tool with collapsible blades is used. Just like our collapsible-blade impeller BR 14. • This blade impeller is ideal for dissolving and homogenizing in vessels with the following characteristics: • Ideal vessel diameter: 180 mm • Ideal ground clearance: 9 mm • Ideal filling level: 180 mm • Ideal volume: 4,600 ml • The collapsible-blade impeller BR 14 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.
% Heidolph HR 18 Half-Moon Impeller (PTFE) • Our half-moon impeller is specially designed for use in round-bottom flasks with NS 29/32 or larger. Combined with the vacuum-tight PTFE stirrer guide, you get a completely tight reaction system. • The half-moon impeller HR 18 works best up to 1,700 ml. • The half-moon impeller consists of a PTFE blade and a PTFE-coated stainless steel shaft. The stainless steel core ensures the stability of the stirrer shaft and secure attachment in the overhead stirrer without the risk of breakage of conventional glass stirrer shafts. The diameter in the clamping area is 6,5 mm; the stirrer shaft with the thick-walled PTFE coating has a diameter of 8 mm. • Due to its anti-adhesive property (non-stick coating), the half-moon impeller is easy to clean and can be used up to a maximum application temperature of 250°C.	% Heidolph PR 30 Pitched-Blade Impeller (V4A) • Due to its blade dimensions, the pitched-blade impeller PR 30 is ideal for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 145- 290 mm • Ideal ground clearance: 29- 58 mm • Ideal filling level: 145- 290 mm • Ideal volume: 2,400- 19,200 ml • The pitched-blade impeller PR 30 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.	% Heidolph PR 31 Ringed Propeller (V4A) • Due to its blade dimensions, the ringed pitched-blade impeller PR 31 is ideal for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 83- 165 mm • Ideal ground clearance: 17- 33 mm • Ideal filling level: 83- 165 mm • Ideal volume: 400- 3,500 ml • The ringed pitched-blade impeller PR 31 has a total length of 400 mm and is made of stainless steel. Its stirring shaft has a diameter of 8 mm.	% Heidolph PR 32 Ringed Propeller (V4A) • Due to its blade dimensions, the ringed pitched-blade impeller PR 32 is ideal for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 113- 225 mm • Ideal ground clearance: 23- 45 mm • Ideal filling level: 113- 225 mm • Ideal volume: 1,100- 8,900 ml • The ringed pitched-blade impeller PR 32 has a total length of 400 mm and is made of stainless steel. Its stirrer shaft has a diameter of 8 mm.
% Heidolph PR 33 Ringed Propeller (V4A) • Due to its blade dimensions, the ringed pitched-blade impeller PR 33 is ideal for solutions, emulsions and suspensions in vessels with the following characteristics: • Ideal vessel diameter: 165- 330 mm • Ideal ground clearance: 33- 66 mm • Ideal filling level: 165- 330 mm • Ideal volume: 3,500- 28,200 ml • The ringed pitched-blade impeller PR 33 has a total length of 400 mm and is made of stainless steel. Its stirrer shaft has a diameter of 8 mm.	% Heidolph PR 39 Pitched-Blade Impeller (PTFE) • Due to its stirrer blade dimensions, the PR 39 pitched-blade impeller is ideal for homogenizing very viscous media in vessels with the following characteristics: • Ideal vessel diameter: 188- 375 mm • Ideal ground clearance: 38- 75 mm • Ideal filling level: 188- 375 mm • Ideal volume: 5,200 - 41,400 ml • The pitched-blade impeller consists of a PTFE mixing blade and a PTFE-coated stainless steel shaft. The stainless-steel core ensures the stability of the stirrer shaft and the secure attachment in the overhead stirrer. The diameter in the clamping area is 6,5 mm; the stirrer shaft with the thick-walled PTFE coating has a diameter of 8 mm. • Due to its anti-adhesive property (non-stick coating), the pitched-blade impeller is easy to clean and can be used up to a maximum application temperature of 250°C.	% 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.	% 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.

Stirrer

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