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  5. KNF™ LABOPORT™ Diaphragm Vacuum Pumps N 820 G and N 840 G

KNF™ LABOPORT™ Diaphragm Vacuum Pumps N 820 G and N 840 G

Product Code. 17225123
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Flow Rate:
20 L/min.
34 L/min.
Unit Size:
Each
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Product Code. Flow Rate unitSize
17225123 34 L/min. Each
17034237 20 L/min. Each
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Product Code. 17225123 Supplier KNF™ Supplier No. 317123/315994
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Description

Chemically resistant, compact and oil-free diaphragm vacuum pump with manual speed control for adjusting the pump capacity to your specific application. It features a gas ballast, PTFE/TFM heads, PTFE-coated diaphragms and FFPM valves.

Suitable for a wide range of laboratory applications including extremely aggressive/corrosive gasses and vapors.
  • Ultimate Vacuum (max.): 6 mbar (abs.)
  • Adjustable speed control
  • ATEX compliant to (Ex) II 2/-G IIB+H2 T3 internal atmosphere only
  • Ideal for extremely aggressive/corrosive gases and vapors
  • Clean, 100% oil-free operation

Specifications

Max. Vacuum 6 Mbar abs.
Control Integrated rotation speed control
Motor Type DC-B
Amperage 0.6 to 1.0 A
Certifications/Compliance NRTL Certification, TUV, According to UL 61010-1, CAN/CSA-C22.2, No 61010-1. Certificate no. U8 045055 0021 Rev 00. Directives include: 2011/65/E/ (RoHS), 2014/30/EU (EMC), 2006/42/EC (MRL). DIN EN 50581, DIN EN 1012-2, DIN EN ISO 12100, DIN EN 61010-1, DIN EN 61326-1
Dimensions (L x W x H) 177 x 240 x 289 mm
Material PTFE/TFM heads, PTFE-coated diaphragms and FFPM valves
Model N 840 G
Plug Type EU/UK
Product Line LABOPORT
Temperature (English) Max. 40°C
Flow Rate 34 L/min.
Frequency 50/60 Hz
Overall Height (English) 177 mm
Overall Length (English) 289 mm
Overall Width (English) 240 mm
Pump Type Diaphragm Gas Pump
Enclosure Rating IP30
No. of Pump Heads 2
Resistance Properties Chemical resistant
Temperature (English) Min 5°C
Applications Gel drying
Oil Type Oil-free
No. of Stages 2
Maximum Pressure 0.1 bar G
Voltage 100/240 V
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