Page 56 - BOLA Catalogue

STIRRING AND MIXING
BOLA Magnetic Stirrer Heads (P-MRK) Rodaviss
Material: Temperature resistance: Chemical resistance:
PTFE from -100 °C to +240 °C +++ universal
NEW
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 Hastelloy®. Requires little space due to compact construction. No leakage or memory effects due to non-porous, welded rotor. Compression fittings made of PEEK-Compound for safe fixing of stirrer shaft and optimum power transmission. Joint-Cone with Rodaviss® fixing system for easy locking and unlocking of ground joint connections with Rodaviss®-thread. Rodaviss® screw cap, sealing ring and expanding ring are included in the scope of delivery.
A With receiver made of Hastelloy® » for improved durability
Product advantages:
» Gas-tight stirrer coupling for perfect vacuum
» Stirrer shafts adjustable in height approx. 40 mm
» Also suitable for shortened stirrer shafts
» High-performance power transmission up to 90 ncm » Excellent chemical resistance
» Without lubricant/ suited for dry running
» High speed up to 1.500 rpm
» Fixed drive bell – for your safety
» Long service life
» Simple disassembly of individual parts for cleaning
Applications:
» Suitable for all BOLA Stirrer Shafts jacketed with PTFE. Ideal for reactor lids with Rodaviss center ground joint.
» L1 The max. shaft length corresponds to the internal height from the top of the ground joint to the vessel bottom.
H
D
NS
d
L2
For stirrer shaft dia. d mm
Height
Hmm
For ground joint NS
L2 Insertion length of shaft max. mm
Drive shaft O.D.
D mm
Cat.No.:
8
145
29/32
95
50
C 540-08
10
145
29/32
95
50
C 540-10
L1
2. loosen 1. turn
function / disassembly
Spare parts for : Magnetic Stirrer Heads P-MRK Rodaviss
Description
Material
Packing Unit
Size
Suitable for
Cat.No.:
Cat.No.
Guiding Assembly P-MRK
PTFE
1 piece
NS 29/32
C 540-08 / C 540-10
C 921-05
Screw Set RODAVISS®
PBT, Nitril, PA
1 set
each with 1 cap, 1 expanding ring, 1 sealing ring
C 540-08 / C 540-10
C 940-01
56
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