KNF – Vacuum Pump System
Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
Chemically-resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate, separator on suction side, high performance condenser on pressure side and vacuum controller. Ideal for rotary evaporation and other applications where control of vacuum level is important.
Key Features
- Ideal for extremely aggressive/corrosive gases and vapors
- High level of vapor and condensate compatibility
- Integrated gas ballast valve
- Integrated rotational speed control
Technical Specifications
| Models | LABOPORT® SR 820 G | LABOPORT® SH 820 G | LABOPORT® SC 820 G | LABOPORT® SC 920 G | LABOPORT® SR 840 G | LABOPORT® SH 840 G | LABOPORT® SC 840 G |
| Weight [kg] | 10.7 | 11.7 | 16.0 | 15.2 | 13.1 | 14.1 | 19.3 |
| Dimensions W x H x D [mm] | 282 x 234 x 260 | 323 x 416 x 260 | 289 x 506 x 397 | 366 x 423 x 294 | 299 x 250 x 274 | 340 x 416 x 274 | 289 x 506 x 417 |
| Flow rate [m3 /h] at atm. pressure | 1.2 | – | 1.2 | 1.26 | – | – | 2.04 |
| Flow rate [l/min] at atm. pressure | 20 | 20 | 20 | 21 | 34 | 34 | 34 |
| Ultimate vacuum [mbar abs.] | 6.0 | 6.0 | 8 | 2.0 < 5.0 with gas ballast valve | 6.0 | 6.0 | 8 |
| Operating pressure [bar] | 0.1 | 0.1 | 1 | – | 0.1 | 0.1 | 1 |
| Voltage [V] | 100 ‒ 240 | 100 ‒ 240 | 230 | 100 ‒ 240 | 100 ‒ 240 | 100 ‒ 240 | 230 |
| Frequencies [Hz] | 50/60 | 50/60 | 50 | 50 ‒ 60 | 50/60 | 50/60 | 50 |
| Protection class | IP30 | IP30 | – | – | IP30 | IP30 | – |
| Power P1 [W] | 60 | 60 | 120 | max. 135 | 100 | 100 | 245 |
| Operating current [A] | 0.35 (240 V AC) 0.66 (100 V AC) | 0.35 (240 V AC) 0.66 (100 V AC) | 2.0 | max. 1.7 | 0.6 (240 V AC) 1.0 (100 V AC) | 0.6 (240 V AC) 1.0 (100 V AC) | 2.0 |
Available Models
LABOPORT® SR 820 G is a chemically resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate and two separator flasks on suction and pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
- Pump head: TFM™ PTFE
- Diaphragm: PTFE-coated
- Valves: FFPM
Key Features
- Ideal for extremely aggressive/corrosive gases and vapors
- High level of vapor and condensate compatibility
- Integrated gas ballast valve
- Integrated rotational speed control
LABOPORT® SH 820 G is a chemically resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate, separator on suction side and high-performance condenser on pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
Key Features
- Ideal for extremely aggressive/corrosive gases and vapors
- High level of vapor and condensate compatibility
- Integrated gas ballast valve
- Integrated rotational speed control
LABOPORT® SH 820 G is a chemically resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate, separator on suction side and high-performance condenser on pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
Key Features
- Automatic, accurate recognition and monitoring of the boiling point using the integrated ramp function
- High recovery rates even with low boiling point solvents
- Remote-controlled for safe operation from outside closed fume hoods
SC 920 G is a compact, portable adaptive vacuum system with chemically resistant diaphragm pump, separator, condenser, and vacuum controller. Ideal for rotary evaporation and other applications where control of vacuum level is important.
- Pump head: PPS
- Diaphragm: PTFE-coated
- Valves: FFPM
- Separators: Plastic-coated glass
Key Features
- Programmable adaptive vacuum control with four operating modes
- Precision pressure-detection system ensures consistent results
- Inlet separator and outlet condenser for excellent solvent recovery
- Corrosion-resistant
LABOPORT® SR 840 G is a chemically resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate and two separator flasks on suction and pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
- Pump head: TFM™ PTFE
- Diaphragm: PTFE-coated
- Valves: FFPM
Key Features
- Ideal for extremely aggressive/corrosive gases and vapors
- High level of vapor and condensate compatibility
- Integrated gas ballast valve
- Integrated rotational speed control
LABOPORT® SH 840 G is a chemically resistant vacuum pump system comprising chemically resistant diaphragm vacuum pump, base plate, separator on suction side and high-performance condenser on pressure side. Based on the high level of vapor and condensate compatibility the system is perfectly suited for extremely aggressive / corrosive gases and vapors.
Key Features
- Pump head: TFM™ PTFE
- Diaphragm: PTFE-coated
- Valves: FFPM
How to maintenance the KNF LABOPORT® System SH 820 G / SH 840 G
This video is an instruction how to maintenance the KNF LABOPORT diaphragm vacuum pump system SH 820 G / SH 840 G in a few steps. When servicing the pump please observe the warning and safety instructions in the operating instructions.
KNF was founded in 1946 in Freiburg, Germany as a family-owned business and has 24 locations worldwide to this day….
