Page 54 - BOLA Catalogue

STIRRING AND MIXING
BOLA Magnetic Stirrer Heads (P-MRK) with Flat Flange
Material: Temperature resistance: Chemical resistance:
PTFE, Glass from -100 °C to +240 °C +++ universal
FDA conform GLAS Product description:
Ideal stirrer head for PTFE-jacketed stirrer shafts from BOLA. Consisting of capsuled drive shaft (stainless steel) with ball bearings, rotor and lower bearing made of PEEK-Compound and a hollow shaft made of borosilicate glass or Hastelloy®. Requires little space due to compact construction. No leakage or memory effects due to non-porous, welded rotor. Com- pression fittings for safe fixing of stirrer shaft and optimum power transmission.
Suitable for flat flanges of Duran (former Schott AG), sealing to be made with a gasket of your choice. Square size 6 mm for accepting an agitator or a stirrer coupling.
A Receiver made of borosilicate glass » universal chemical resistance
B Receiver made of Hastelloy® » robust construction
Product advantages:
» gastight stirrer head for perfect vacuum
» stirrer shaft‘s height adjustable, approx. 40 mm » also suitable for shortened stirrer shafts
» powerful transmission of up to 90 Ncm
» excellent chemical resistance
» no grease required / save to run dry
» high speed of up to max. 1.500 rpm
» drive shaft fixed for your safety
» high durability
» easy disassembly of all parts for cleaning
Applications:
» Suitable for all BOLA Stirrer Shafts jacketed with PTFE. Ideal for reactor lids with flat flange. » L1 The max. shaft length corresponds to the internal height from the top of the ground joint to the vessel bottom, plus 15 mm.
H
D
DN
d L1
L2
For stirrer shaft dia. d mm
Height
Hmm
Flat Flange
DN
L2 Insertion length of shaft mm
Drive shaft
D O.D. mm
Cat. No.
10
160
40
95
50
C 522-40
10
160
50
95
50
C 522-50
For stirrer shaft dia. d mm
Height
Hmm
Flat Flange
DN
L2 Insertion length of shaft mm
Drive shaft
D O.D. mm
Cat. No.
10
160
40
95
50
C 532-22
NEW
BOLA INNOVATION
#1
54
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Metal-free Magnetic Stirrer Heads
Many chemicals react with metal magnetic stirrer heads. Therefore, all wetted parts of BOLA Magnetic Stirrer Heads P-MRK (Cat.No. C 522-40 and C 522-50) are metal-free and thus more economic.