Busch Vacuum - Fossa

Product details

Two standard sizes are available: FO 0015 A and FO 0035 A. Featuring consistently high vacuum levels and with very low noise and vibration levels, these vacuum pumps are ideal for today's analytical and scientific applications. Thanks to their compact design, Fossa scroll vacuum pumps require no special mounting. This makes setup quick and easy while also providing a high degree of pump mobility.

• Description
• Specifications
• Resources

• Fossa scroll vacuum pumps are the perfect solution for backing of turbomolecular vacuum pumps. They are ideally suited for generating high vacuum in load lock or transfer chambers, helium leak detectors, mass spectrometers, electron microscopes and other analytical devices. They are also used in processes for handling of gases that require the highest level of purity within the gas recovery process.

  The low noise and vibration levels make Fossa vacuum pumps suitable for use in areas such as laboratories. With no shaft seals and with lifetime-lubricated bearings, Fossa vacuum pumps require very little maintenance. Their high level of efficiency ensures maximum suction capacity with low energy consumption. The standard gas-ballast valve enables the pumping of vapors.

  Applications

  • Gas recovery and recirculation
  • Analytical instruments
  • Helium leak detectors
  • Beam lines and high energy physics
  • Coating 
  • Drying
  • Vacuum furnaces
  • Glove boxes
  • Load lock and transfer chambers
  • Backing of turbomolecular vacuum pumps

• Technical Data			FO 0015 A	FO 0035 A
  Pumping speed		M3/h	18	42
  Pumping speed		I/min	300	700
  Ultimate total pressure	Gas-ballast valve close	hPa (mbar)	0.025	0.01*
  Ultimate total pressure	Gas-ballast valve open	hPa (mbar)	0.09	0.09
  Max. continuous inlet pressure		hPa (mbar)	1000	100
  Max. back pressure		hPa (mbar) rel.	500	200
  Water vapor capacity	Gas-ballast valve open	g/h	300	400
  Leak rate, helium		mbar - L – s-1	< 1 – 10-6	< 1 – 10-6
  Motor Data
  Nominal motor rating		kW	0.4	0.75
  Operating voltage	Single-phase**	V	100-245	100-245
  Operating voltage	Three-phase	V	200-240 / 380-480	200-240 / 380-480
  Physical Data
  Ambient temperature		°F	40 - 100	40 - 100
  Vibration level at inlet (ISO 10816-1)		mm – s-1	Class 1B, <1.5 mm/sec	Class 1B, <1.5 mm/sec
  Sound level (ISO 2151)	Idle speed**	dB(A)	42	43
  	Max.	dB(A)	59	60
  Approximate weight		kg	48	50
  Dimensions (L x W x H)		mm	450 x 338 x 369	462 x 338 x 369
  Gas inlet/outlet			KF 40 / KF 16	KF 40 / KF 16
  Applicable Standards
  Emissions and immunity			EN 61236-1:2013 as a Class A Device
  Safety			EN/IEC 61010 third edition certified

  All performance data is based on ambient conditions of 14.7 PSIA and 70 ºF, and has a tolerance of ± 10%

  * 0.025 guaranteed when new from factory

  **frequency converter driven version only

• Technical Data