Page 53 - BOLA Catalogue
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 BOLA Magnetic Stirrer Heads with Ground Joint (MRK)
    Material: Temperature resistance: Chemical resistance: Vacuum:
PTFE, PFA from -15 °C to +250 °C +++ universal suitable
 Product description:
Gastight permanent magnetic coupling with ball bearing encapsulated in ceramics and square connection for cardan joint. PTFE cone size 29 with release nut made of PTFE with glass fibre for easy removal of the ground joint. All products which are exposed to the medium do not contain any metals. The 8 mm shaft guide provides guidance without friction of stirrer shafts up to a speed of 800 rpm. The stirrer head can also be fixed directly into the chuck by mounting the included metal adaptor on the square connection (6 mm).
Applications:
For absolute vacuum.
    Torque
Ncm
Ground joint
NS
Viscosity
up to mPas
Volume
up to ml
Speed
rpm max.
Total length
mm
Cat.
No.:
        20
29/32
1.500
2.000
800
203
C 450-16
        40
29/32
2.500
4.000
800
215
C 450-24
             stuck loosen removed
BOLA Magnetic Stirrer Heads with Flange (MRK)
         Material: Temperature resistance: Chemical resistance: Vacuum:
PTFE, PFA from -15 °C to +250 °C +++ universal suitable
 Product description:
Gastight permanent magnetic coupling with ball bearing encapsulated
in ceramics, square connection for cardan joint and flange NW 25. All products which are exposed to the medium do not contain any metals. The 8 mm shaft guide provides guidance without friction of stirrer shafts up to a speed of 800 rpm. The stirrer head can also be fixed directly into the chuck by mounting the included metal adaptor on the square connection (6 mm). Universal chemical resistance, since the product is only exposed to PTFE and PFA.
Applications:
For absolute vacuum.
     Torque
Ncm
Flange
NW
Viscosity
up to mPas
Volume
up to ml
Bolt circle dia. A mm
Bore dia
Bmm
Length
mm
Cat. No.:
        60
25
3.500
6.000
75
9
215
C 454-24
        A
B
  Hotline +49 (0) 93 46-92 86-0
BOLA INNOVATION
Magnetic Stirrer Heads
All wetted parts are metal- free. An almost universal chemical resistance is provided due to the use of fluoroplastics.
  41
 STIRRING AND MIXING

























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