Achieving high-vacuum conditions: It can pump gases out of a sealed chamber to create a high-vacuum environment. It is often used in applications where a high degree of vacuum is required, such as in semiconductor manufacturing, vacuum coating, and scientific research.

Enhancing pumping speed: The roots vacuum pump has a relatively high pumping speed, which means it can remove gases from a chamber quickly. This is important in processes where rapid evacuation is necessary to save time and increase productivity.

Maintaining vacuum stability: Once the desired vacuum level is reached, the roots vacuum pump helps to maintain the stability of the vacuum by continuously removing any gases that may leak into the chamber or be released from the materials inside the chamber.

Characteristics:

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

Technical Parameter :

Model		Units	BSJ300L
Pumping Rate	50 Hz	m³h^-1 / Lmin^-1	1000/16667
	60 Hz		1200/20000
Max Inlet Pressure	50Hz	Pa	1.3x10³
	60Hz	Pa	1.1x10³
Ultimate Vacuum		Pa/ mbar	0.4/4×10^-3
Motor Power		kW(hp)	2.2(3.0)
Inlet		--	VG100
Outlet		--	VF80
Cooling Method		Water cooled
Cooling water		Flow	3L
		Pressure	0.1MPa
		Temperature	5~30℃
Oil Need		L	2
Ambient Temp.		℃	5~40
Weight		--	BSO-46

Note: The value of 'Ultimate Pressure' in this sheet is measured by the 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

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

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