Easily exchangeable combination of PTFE seal with FKMO Ring for the PTFE guide sleeves. The special seal is used for sealing against the agitator shaft.
Culture bottles Features: • Borosilicate glass botlle • Center neck screw cap on both side necks made of PP / fiberglass • Screw caps on both side necks made of PPS • Stirring insert made of PTFE and stainless steel, infinitely adjustable in height from outside • Complete unit can be sterilized • Universal chemical resistance • For low and high speeds (max. 1,000 rpm) Applications: - The stirrer insert is driven by a commercially available magnetic stirrer - Transmission of the rotation from the agitator drive to the agitator magnet by magnetism - For gentle mixing of cell cultures - Hoses, probes or sensors can be inserted into the side necks
Guide tubes for magnetic stirrer couplings made of borosilicate glass with ground-glass core and glued-on upper bearing. Alternative without grinding to melt on the reactor lid.
Cylinder magnetic stir bars. PTFE coated magnetic core (Alnico 5), standard magnetic stir bar, universal chemical resistance. Cylinder magnet stir bars provide an excellent contact surface and smooth running properties.
Glass magnetic stir bars. Borosilicate glass coated magnetic core (Alnico 5), cylindrical shape, extremely smooth surface prevents the accumulation of disruptive residues, non-porous, non-marking, universal chemical resistance.
Middle ring magnetic stir bars. PTFE coated magnetic core (Alnico 5), cylindrical shape with central ring, universal chemical resistance.
Dreikant-Magnet-Rührstäbe. PTFE überzogener Magnetkern (Alnico 5), universelle chemische Beständigkeit. Für größere Gefäße, starke Turbulenzen bei geringen Umdrehungsgeschwindigkeiten. Feste Bestandteile lösen sich gut auf bzw. Anlagerungen am Boden werden vermieden.
Egg-shaped magnetic stir bars. PTFE-coated magnetic core (Alnico 5), universal chemical resistance. Ideal for round bottom flasks. Their shape is similar to that of the piston and ensures complete mixing.
Power magnet stir bars. PTFE-coated magnetic core made of very strong magnetic material (rare earth magnet Samarium-Cobalt), transmittable torque is about 4 times higher than at comparable magnetic stirring bars, demagnetization excluded, sterilizable, extremely smooth surface prevents the accumulation of disruptive residues, universal chemical resistance. Applications: Stirring of highly viscous liquids, optimal mixing of large luminous vessels or slim, high measuring cylinder, better bridging greater distances between magnetic stirrer and magnetic stir bar.
Center magnet stir bars. PTFE coated magnetic core (Alnico 5), tapered ends, universal chemical resistance.
Magnetic dumbbell stir bars: PTFE-encapsulated magnetic core (Alnico 5), universal chemical resistance. Side stable sliding disks ensure an excellent stirring effect.
Color-Magnet-Stirstick. Magnetic core coated with PTFE (Alnico 5), cylindrical shape with central ring, universal chemical resistance.
Cross magnet stir bars. PTFE-coated magnetic core (Alnico 5), universal chemical resistance.
Gas-tight permanent magnetic coupling with encapsulated ceramic ball bearings, square socket on top for connecting a cardan joint and PTFE core NS 29 with extraction nut made of PTFE glass fiber for problem-free loosening of the grinding. All parts that come into contact with the medium are metal-free. The 8 mm shaft holder allows agitator shafts to be guided without abrasion at speeds of up to 800 revolutions per minute. By attaching the enclosed metal adapter to the square socket (edge length 6 mm), it is also possible to mount it directly in a collet.
PTFE-coated magnetic core (Alnico 5) in the middle of a guide cage PTFE mounted, universal chemical resistance.
Perfect combination of drive bell with ball bearings, rotor and lower bearing made of PEEK compound, as well as a guide tube made of borosilicate glass. Small space requirement due to compact design. No leaks or memory effects thanks to the pore-free, welded-in rotor and which 3 grub screws reach into the countersinking of the agitator shaft and drive it with optimal power transmission and at the same time fix it securely in height. The square has a wrench size of 6 mm and serves as a holder for the agitator coupling or the agitator drive. Applications: Ideal for reactor lids with center ground joint, for glass or stainless steel agitator shafts with countersinks for secure fixation in the rotor.
Consists of an encapsulated drive bell (stainless steel) with ball bearings, rotor and lower bearing made of PEEK compound as well as a stirrer shaft holder made of borosilicate glass. Small space requirement due to compact design. Pore-free, welded-in rotor prevents leaks and memory effects. Compression fitting made of PEEK compound for secure attachment of the agitator shaft and optimal power transmission. Ground joint core with Combi nut (Safe-Lab) made of PTFE for securing and easy loosening of the conical ground joint. Square with 6 mm wrench size to accommodate the stirrer drive or a stirrer coupling. Applications: • For all BOLA agitator shafts with a PTFE coating, ideal for reactor lids with a center ground joint • L1 The maximum stirrer shaft length corresponds to the inside height (top edge of the ground section to the bottom of the vessel) Features: • Gas-tight stirrer coupling for perfect vacuum • Height-adjustable agitator shafts, approx. 40 mm • Also suitable for shortened agitator shafts • Powerful power transmission up to 90 Ncm • Excellent chemical resistance • Suitable without lubricants / dry running • High speed up to a maximum of 1,500 revolutions / minute • Fixed drive bell - for your safety • Long service life • Simple dismantling of the individual parts for cleaning • With stirrer shaft holder made of borosilicate glass for universal chemical resistance
Optimal stirrer coupling for PTFE coated stirrer shafts from BOLA. Existing made of encapsulated drive bell (stainless steel) with ball bearings, rotor and lower bearing made of PEEK compound and a hollow shaft Borosilicate glass. Small space requirement due to compact design. Pore-free, shrink-wrapped Rotor prevents leaks and memory effects. Compression fitting made of PEEK compound for secure fastening of the Agitator shaft and optimal power transmission. Coordinated with flat flanges from Duran (formerly Schott AG), sealing with seal of your choice. Square with 6 mm wrench size for mounting the stirrer drive or a stirrer coupling.
Very hard PTFE-PEEK compound, bearing journal is used to hold a BOLA tandem magnetic stirring bar, central fixation on the bottom of the vessel using an adhesive (commercially available silicone is recommended; let harden under water harden), universal chemical resistance.
Replacement guide sleeve with integrated, exchangeable special seal made of PTFE and FKM O-ring.
Replacement stirrer screw cap. With metered pressure on the O-ring of the special seal, it ensures the correct seal against the agitator shaft.
Standard ground joint stirrer closure. Ground joint made of PTFE with raised sealing rings for sealing in the ground joint sleeve. Due to the reduced contact surface, sealing rings can be loosen the core in the joint sleeve more easily and reduce glass breakage. The special seal made of PTFE with an O-ring made of FKM ensures through metered pressure the GL screw cap made of PPS for the correct seal against the agitator shaft.
GT stirring cap. Combination of borosilicate glass part with ground joint, PTFE guide sleeve precisely guided in the glass part with integrated special seal and GL screw cap made of PPS. The special seal made of PTFE and FKM O-ring takes care of the measured pressure of a GL screw cap on the O-ring for the correct seal against the agitator shaft. It can be easily replaced after it is worn out.
Special stirring cap. Safe reception in the reactor lid thanks to the NS 29/32 joint. Abrasion-free guidance of the agitator shaft on a borosilicate guide sleeve not visible from the outside with adjustable vacuum seal, in which the stirrer shaft can be fixed at the desired height using an adjusting nut. With external cooling reservoir for optional lubricant against overheating. For vacuum up to at least 700 mm Hg and for low overpressures. Speeds of up to 500, briefly also up to 1000 revolutions / minute are permissible. Applications: Predestined for tough continuous use. For all stirrer shafts made of stainless steel, glass or BOLA stirrer shafts with a diameter of 8 or 10 mm.
Stirring lock for guiding the stirrer shaft. With adjustable special seal. Integrated Combi-Nut (Safe-Lab) for easy securing and loosening of the conical ground.
Additional propeller blades: The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Aspiration of the mix from bottom to top, good axial flow with low shear forces.
Additional maxi propeller blades. The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Aspiration of the mix from bottom to top, good axial flow with low shear forces.
Additional impeller blades. The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Very good, gentle agitation of the mix thanks to the blades curved backwards, few shear forces.
Crescent additional wings: The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Tangential flow with low turbulence, the tilting function makes it easier to insert the stirrer shaft into vessels with a ground joint or tight neck.
Additional wings: The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Aspiration of the mix from bottom to top, very good axial flow with low shear forces.
Additional propeller blades, four blades: The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Aspiration of the mix from bottom to top, good axial flow with low shear forces.
Anchor additional wings: The massive agitator blades are made of PTFE, the clamp fastenings are made of a PEEK compound. Several agitator blades can be mounted rotate free in height and direction of rotation to the suitable BOLA agitator shafts with a clamp attachment. A suitable open-end wrench is included for assembly. Applications: For flexible testing of the optimal wing geometry and wing arrangement on the agitator shafts. Can be used as a single and step stirrer. Strong, tangential flow with high shear rate in the wall area, reduced deposits on the vessel wall. Ideal for stirring viscous media.
Completely made of PTFE, with retaining ring made of PFA. Can be pushed onto a thermal sensor or solo agitator shafts, freely positionable in height. Design based on DIN 28 131. Universal chemical resistance, as the medium only comes in contact with PTFE.
Aeration stirrer. PTFE coated stainless steel shaft, disc-shaped blade with four agitator blades made entirely of PTFE. Turning the agitator shaft clockwise occurs a vacuum behind the impellers. This removes the gas from the gas space conveyed through the hollow shaft into the medium. Depending on the fluid level and the depth of immersion, different speeds are required for example 430 rpm at 150 mm and 690 rpm. at 350 mm. The length of the the agitator shaft and the gas suction pipe can be individually adapted. At least one baffle breaker is required for operation. Universal chemical resistance as the Medium only comes into contact with PTFE.
Spare part for GT stirrer cap, made of borosilicate glass. With ground joint and GL thread.
Half-moon stirring blades with double groove, made entirely of PTFE. For KPG glass stirrer shafts with double pivot and for PTFE-coated stainless steel stirrer shafts.
Half-moon stirring blades with angled groove, made entirely of PTFE. For vessels with joint NS 29/32.
Half-moon stirring blades with single groove and bore diameter 10 mm, completely made of PTFE.
Globus stirrer coupling. Mechanically strong plastic, strongl power transmission up to 300 Ncm, suitable for speeds up to 1,200 rotations per minute, maximum possible axis offset 10 mm. Ideal for balancing an angular or axial offset from the agitator drive to the agitator shaft, suitable for glass, metal or BOLA agitator shafts.
Tablet magnetic stir bars. PTFE-coated magnetic core (Alnico 5), universal chemical resistance. Symmetrical dorsal fins on the top and bottom make for excellent mixing in cuvettes or slim, tall vessels.
Tandem magnetic stir bar. PTFE-coated magnetic cores (Alnico 5), central hole is used for acceptance of a BOLA bearing pin or a bearing pin made of glass (can be obtained from a glass blower), universal chemical resistance. Extremely vigorous mixing of the medium, optimal transfer of the magnetic force from the stirrer drive to the tandem magnetic stirrer bar. Scope of delivery: Tandem magnetic stirring rod without bearing pin.
Square magnetic stir bar. PTFE-coated magnetic core (Alnico 5), universal chemical resistance. Application: For large vessels, strong turbulence at low rotational speeds, solid components dissolve well or avoid deposits on the ground.
Double half-moon agitator shafts. Stainless steel shaft coated with PTFE, the two tiltable half-moon stirring blades with double groove and stirring blade are made entirely of PTFE. Universal chemical resistance, as the medium only comes into contact with PTFE. Application: Tangential flow with little turbulence. Ideal for tall, slender vessels. The semicircular shape of the stirring blade is ideal for stirring in round bottom flasks, the tilting function makes it easier to insert the stirrer shaft into vessels with a ground joint or narrow neck. Replacement crescent stirring blades are individual available and can be retrofitted depending on the application.
Half-moon agitator shafts. Stainless steel shaft coated with PTFE, tiltable half-moon stirring blade with double groove and stirring blade holder are completely made of PTFE. Universal chemical resistance, as the medium only comes into contact with PTFE. Application: Tangential flow with little turbulence. The semicircular shape of the stirring blade is ideal for stirring in round-bottom flasks. The tilt function makes it easier to insert the stirrer shaft into vessels with a ground joint or a narrow neck. Replacement crescent stirring blades are available individually and can be retrofitted depending on the application.
Centrifugal agitator shafts. Stainless steel shaft coated with PTFE, stirring unit (movable expanding agitator blades, bolts, agitator blade mounts) completely made of PTFE. The spreading agitator blade opens when the speed increases. Universal chemical resistance, as the medium only comes into contact with PTFE. Applications: The agitator shaft can be easily put into vessels with a narrow neck or with a joint NS 24/29, NS 29/32 and larger due to the movable agitator blades.
Propeller agitator shafts. Stainless steel shaft coated with PTFE, propeller made entirely of PTFE with three blades inclined at 45 ° in a round or square shape. Universally chemical resistance, as the medium only comes into contact with PTFE. Application: Aspiration of the mix from bottom to top, good axial flow with low shear forces.
Blade agitator shafts. Stainless steel shaft coated with PTFE, agitator completely made of PTFE with two blades inclined at 45 °. Universal chemical resistance, as the medium only comes into contact with PTFE. Application: Aspiration of the mix from bottom to top, very good axial flow with low shear forces.
Double-wing agitator shafts. Stainless steel shaft coated with PTFE, two agitator blades made of PTFE, arranged crosswise at 90 °. The upper wing is fastened using clamping screws made of PEEK compound. Application: Aspiration of the mix from bottom to top, very good axial flow, local low shear forces. The upper impeller can be positioned individually.
Blade agitator shafts. Stainless steel shaft coated with PTFE, straight stirring blade made entirely of PTFE. Universal chemical resistance, as the medium only comes into contact with PTFE. Application: Tangential flow with low turbulence, the material being stirred is gently mixed.
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