Roots vacuum pumps ,which are also called Roots blowers,are rotary plunger type pumps where two symmetrically shaped impellors rotate in opposite directions inside the pump housing.

Characteristics:

The use of oil-free intermediat seal,multiple sealed way to ensure the high clean vacuum environment in the rotor chamber .
Advanced proceesing to ensure the good geometrical symmetry of the rotors,as well as low noise and long service life.
The whole rotors is made of aluminium alloy which has the charateristics of fast corrosion resistance and energy-efficient.

Technical Parameter :

Model		Units	BSJ600L
Pumping Rate	50 Hz	m³h^-1 / Lmin^-1	2000/33330
	60 Hz		2400/40000
Max Inlet Pressure	50Hz	Pa	8.0x10³
	60Hz	Pa	6.7x10³
Ultimate Vacuum		Pa/ mbar	0.04/4×10^-4
Motor Power		kW(hp)	7.5 (10.0)
Inlet		--	VG200
Outlet		--	VF200
Cooling Method		Water cooled
Oil Need		L	2.0
Ambient Temp.		℃	5~40
Vacuum Pump Oil		--	BSO-46

Note: The value of 'Ultimate Pressure' in this sheet is measured by Pirani gauge when the Baosi special pump oil is used,and the value should be 4x10^-3 if the Mcleod gauge is used.

Performance Curve:

Dimensions:

Applications

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Vacuum distillation
Vacuum packaging
Thin film coating
Freez drying
Electrical engineering
Printing
Surface treatment technique
Wind Energy
Ceramics and glasses

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