Rotary Vacuum Pump for vacuum metallurgy processes

MVP144 {144m³/h(2400L/min)-60HZ, 120m³/h(2000L/min)-50HZ}

Design Features

Excellent ultimate vacuum and pumping speed.
Improved anti-suckback system to protect the pump in the event of sudden stop.
International standard flange.
Low noise level and low vibration level.
Constant pressure oil circulating system.
Convenient gas ballast valve control.
Simple repairing and maintenance.
Convenient cooling system by air-cooled and water-cooled (MVP-324)

Design Operation Principle

MVP Series is two-stage oil sealed rotary vane vacuum pump. It is new concept out of conventional design to satisfy customer’s needs.
The structure of the pump
It consists of pump housing, oil casing, motor housing, pump base and pump module. It occupies oil anti-suckback valve and gas ballast for protecting pump and vacuum system.
Operating Principle
The pump and motor are connected by flexible coupling. As the rotor rotates two vanes, placed in rotor vane groove, turn making contact with the internal surface of the cylinder due to centrifugal force.
The inhaled gas is trapped between two vanes as the rotating vane passes through the inlet passage and this trapped gas is compressed as it rotates toward exhaust valve and eventually exhaust through valve. The vacuum oil is supplied to the moving parts for lubrication and tight sealing.

Technical Data

Description		Unit	MVP 144
Displacement Speed	60Hz	m³/h	144
		L/min	2400
	50Hz	m³/h	120
		L/min	2000
Ultimate Pressure	With gas ballast	torr	5×10^-3
	Without gas ballast		5×10^-4
Inlet Port			ISO 63
Outlet Port			ISO 40
Motor Power		kW	3.7
Rotational speed of Pump	60Hz	R.P.M	1750
	50Hz		1450
Oil Filling		Liter	11
Cooling water(less 20°C)		L/min
Weight		kg	172

Pumping Speed Curve

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