Oil-Free Diaphragm Vacuum Pumps, Vacuubrand

Three-stage chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors and meet even challenging requirements.

  • Three-stage design provides the advantageous combination of high pumping speed and very low ultimate vacuum
  • All parts of the diaphragm vacuum pump in contact with pumped media are made of chemically resistant fluoroplastics
  • Well-proven PTFE sandwich diaphragms provide increased reliability and extended operating life
  • All multistage pumps are equipped with a gas ballast to provide consistent pump performance with condensed vapors
  • Due to the gas ballast valve and its very good ultimate vacuum (even with gas ballast), the pump is also suitable for pumping condensable vapors of high-boiling solvents
  • Further improved performance data, easy service, and superior vapor tolerance

Performance Features:

  • Outstanding chemical resistance and superior vapor tolerance
  • Exceptionally high performance even at low vacuum
  • Excellent ultimate vacuum even with gas ballast
  • Whisper quiet and very low vibration
  • Long diaphragm life, maintenance-free drive system

NTRL approved.



Manufacturer : Brandtech Scientific, Inc.

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Oil-Free Diaphragm Vacuum Pump
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Cat.#No. of Heads/StagesMax. Volume, Flow RateUltimate Vacuum, (absolute)Ultimate Vacuum with Gas BallastMotorDimensions (L x W x H)Mfg.#PriceQuantityEstimated Availability
741-400-022/22.3 m3/hr7 mbar12 mbar1800 rpm24 x 24 x 20 cm20732303$5,050.23 EA  
Ships within one week
741-400-044/33.8 m3/hr1.5/1.1 mbar/torr3/2.2 mbar/torr1800 rpm325 x 243 x 198 mm20736403Call for pricing  
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741-400-064/31.5 m3/hr2/1.5 mbar/torr4/3 mbar/torr1800 rpm316 x 143 x 175 mm20696613$5,315.04 EA  
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741-400-081/10.85 m3/hr100/75 mbar/torrN/A1800 rpm247 x 121 x 145 mm20721103$1,924.39 EA  
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741-400-102/20.9 m3/hr12/9 mbar/torr20/15 mbar/torr1800 rpm312 x 121 x 170 mm20724103$3,413.27 EA  
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741-400-121/12.4 m3/hr70/52 mbar/torrN/A1800 rpm243 x 211 x 198 mm20730103$3,518.08 EA  
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741-400-142/14.3 m3/hr70/52 mbar/torrN/A1800 rpm254 x 243 x 198 mm20731203$5,197.93 EA  
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741-400-162/22.3 m3/hr7/5 mbar/torr12/9 mbar/torr1800 rpm243 x 243 x 198 mm20732403Call for pricing  
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741-400-184/17.8 m3/hr70/52 mbar/torrN/A1800 rpm325 x 243 x 198 mm20734203$8,808.50 EA  
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741-400-204/34.6 m3/hr1.5/1.13/2.2 mbarr/torr2400 rpm325 x 243 x 245 mm20736503Call for pricing  
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