BOLA Magnetic Stirrer Heads (G-MRK), PTFE

Material: Glass, PTFE
Chemical resistance: +++ universal
Temperature resistance: from -100°C to +240°C
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Technical information

Material Safety Data Sheets

 
Dia. of stirrer shaft [(d) mm] Height [(H) mm] Conductor [NS] Top of ground joint to [top of stirrer shaft mm L2] Insertion length [of stirrer shaft mm L4] Cat-no. Price* Add to cart
8 148 29/32 33 97 C502-08
€1,239.35
10 148 29/32 33 97 C502-16
€1,211.57
8 140 45/40 25 97 C504-08
€1,300.81
10 140 45/40 25 97 C504-16
€1,274.27
6 90 19/26 15 28 C512-08
€933.43
C502-08 - BOLA Magnet-Rührkupplungen (G-MRK), PTFE
Dia. of stirrer shaft [(d) mm] 8
Height [(H) mm] 148
Conductor [NS] 29/32
Top of ground joint to [top of stirrer shaft mm L2] 33
Insertion length [of stirrer shaft mm L4] 97
€1,239.35
C502-16 - BOLA Magnet-Rührkupplungen (G-MRK), PTFE
Dia. of stirrer shaft [(d) mm] 10
Height [(H) mm] 148
Conductor [NS] 29/32
Top of ground joint to [top of stirrer shaft mm L2] 33
Insertion length [of stirrer shaft mm L4] 97
€1,211.57
C504-08 - BOLA Magnet-Rührkupplungen (G-MRK), PTFE
Dia. of stirrer shaft [(d) mm] 8
Height [(H) mm] 140
Conductor [NS] 45/40
Top of ground joint to [top of stirrer shaft mm L2] 25
Insertion length [of stirrer shaft mm L4] 97
€1,300.81
C504-16 - BOLA Magnet-Rührkupplungen (G-MRK), PTFE
Dia. of stirrer shaft [(d) mm] 10
Height [(H) mm] 140
Conductor [NS] 45/40
Top of ground joint to [top of stirrer shaft mm L2] 25
Insertion length [of stirrer shaft mm L4] 97
€1,274.27
C512-08 - BOLA Magnet-Rührkupplungen (G-MRK), PTFE
Dia. of stirrer shaft [(d) mm] 6
Height [(H) mm] 90
Conductor [NS] 19/26
Top of ground joint to [top of stirrer shaft mm L2] 15
Insertion length [of stirrer shaft mm L4] 28
€933.43
 
Product description Perfect combination of drive shaft with ball bearings, rotor and lower... more
Product information "BOLA Magnetic Stirrer Heads (G-MRK), PTFE"

Product description

Perfect combination of drive shaft with ball bearings, rotor and lower bearing made of PTFE/PEEK and a conductor made of borosilicate glass. Requires little space due to compact construction. No leakage or memory effects due to non-porous, welded rotor. This rotor holds the stirrer shaft by means of three stud screws which are fixed in the counterbores of the stirrer shaft. This provides optimum power transmission and a safe fixing. The 6 mm square can be fixed into the stirrer coupling or into the agitator.

Product advantages

» powerful transmission
for ground joint size 19/26: 15 Ncm
for ground joint size 29/32 and 45/40: 50 Ncm
» no grease required
» all products which are exposed to the medium do not contain any metals
» high speed of up to max. 1.500 rpm
» high working temperatures up to +250°C are possible
» excellent chemical resistance
» safe to run dry
» long durability
» space-saving drive shaft O.D.'s
for ground joint size 19/26: 28 mm
for ground joint size 29/32 and 45/40: 38 mm

Applications

Ideal for reactor lids with a center ground joint, suitable for stirrer shafts made of glass or stainless steel with counterbores for a safe fixing into the rotor.
» L1 Internal height from the top of the ground joint to the vessel bottom.
» L3 maximum total length of stirrer shaft = L1+L2
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