Magnetic stirrer couplings BUK S1 and S2 model series

Suitable for stirring tasks under vacuum.

• Homogenising
• Dispersing
• Suspending
• Gassing

The S1 and S2 design with standardised ground joint (vacuum-proof, unpressurised)
Magnetic stirrer couplings with NS 29/32 (S1) or NS 45/40 (S2) joint are specially designed for use in flasks and glass reactors with ground joint connections.
The encapsulated inner magnet couples to the external drive magnet bell and provides the drive force. This process involves absolutely gas-tight stirring.
The sealing takes place via O-rings on the conical part and is made of FKM as standard.
Alternatively, these can also be equipped in FFKM of various qualities on request.
 
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Magnetic stirrer couplings BUK S1 and S2 model series

Magnetic stirrer couplings BUK S1 and S2 model series

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Magnetic stirrer couplings BUK S1 and S2 model series

Magnetic stirrer couplings BUK S1 and S2 model series

TypeConnectionTemperature max.
°C
Pressure max.
bar
Sealings*MaterialSpeed max.
rpm.
Torque
Ncm
Volume max.
ml
BearingsReed contact and speed sensorGas flush connectionDrive motor 
BUK K40 S1Code: 40 26446 00158 2NS 29/32240VacuumFKM O-rings1.4435 AISI 316L2500405000Ball bearings stainless steel---Request
a quote
BUK K90 S1Code: 40 26446 00160 5NS 29/32240VacuumFKM O-rings1.4435 AISI 316L25009010000Ball bearings stainless steel---Request
a quote
BUK K90 S2Code: 40 26446 00163 6NS 45/40240VacuumFKM O-rings1.4435 AISI 316L25009010000Ball bearings stainless steel---Request
a quote
 Code: 40 26446 00158 2currently not in stock not in stock
TypeBUK K40 S1
ConnectionNS 29/32
Temperature max. °C240
Pressure max. barVacuum
Sealings*FKM O-rings
Material1.4435 AISI 316L
Speed max. rpm.2500
Torque Ncm40
Volume max. ml5000
BearingsBall bearings stainless steel
Reed contact and speed sensor-
Gas flush connection-
Drive motor-
 on demand
 Code: 40 26446 00160 5currently not in stock not in stock
TypeBUK K90 S1
ConnectionNS 29/32
Temperature max. °C240
Pressure max. barVacuum
Sealings*FKM O-rings
Material1.4435 AISI 316L
Speed max. rpm.2500
Torque Ncm90
Volume max. ml10000
BearingsBall bearings stainless steel
Reed contact and speed sensor-
Gas flush connection-
Drive motor-
 on demand
 Code: 40 26446 00163 6currently not in stock not in stock
TypeBUK K90 S2
ConnectionNS 45/40
Temperature max. °C240
Pressure max. barVacuum
Sealings*FKM O-rings
Material1.4435 AISI 316L
Speed max. rpm.2500
Torque Ncm90
Volume max. ml10000
BearingsBall bearings stainless steel
Reed contact and speed sensor-
Gas flush connection-
Drive motor-
 on demand
Drive shaft supplied with 6 mm external square stub.