Screw Vacuum Pump

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Vacuum Pump

Screw vacuum pump package consists of the screw pump, motor, oil-gas separator, cooling fan, cooling water system, and the base. It incorporates custom-designed high-efficiency motors and drive systems with advanced sealing technology, significantly reducing power consumption and operational costs. Screw vacuum pump also operates with low noise levels and simple installation and operation, minimizing its impact on the workplace and environment. Even without a muffler, the unique Xinran spiral rotor design ensures exceptionally quiet and low-vibration operation.

Power
5.5-110kW
Pumping speed
180-1500m³/hr
Ultimate pressure
0.02-0.01mbar

Technical Data

Pumping Speed (50Hz/60Hz)		m³ /hr	180/216	250/300	360/432	540/650	720/864
Pumping Speed (50Hz/60Hz)		l/s	50/60	70/84	100/120	150/180	200/240
Ultimate Pressure (50Hz/60Hz)		Torr	0.015/0.0075
		mbar	0.02/0.01
		Pa	2/1
Motor	Frequency	Hz	50/60
	Voltage	V	208-440
	Rated Power	kW	5.5/7.5	7.5/7.5	11/15	15/15	18.5/22
Connection	Inlet	mm	50	65	70	90	100
Connection	0utlet	mm	40	40	55	65	65
Cooling Water	Pressure	kg/cm2	2.0-4.0
	Min. Flow	L/min	2.5	2.6	2.8	3	4
	Temperature	℃	18-25
	Connector		RC3/8'
Nitrogen N2	Pressure	Mpa	0.15-0.2
	Dilute Flow	L/min	0-60
	Sealing Flow	L/min	0-20
	Connector		RC1/8”
Gear Chamber Oil Capacity		L	0.85	0.85	1.4	2	2
Weight		Kg	295	350	480	520	680
Noise Level		dB(A)	68	70	70	72	74

Features

Screw Rotor
The rotor’s profile provides uniform engagement, excellent sealing, and high pumping efficiency. Rotors undergo G1 grade dynamic balancing tests, resulting in minimal operational vibration.
Exquisite Design and Manufacturing
The exhaust path is shortened to reduce foreign material deposition during manufacturing. The sealed structure prevents lubrication leaks that could otherwise occur due to wear on dynamic seals.