Value 4 Vacuum Pump Dual Stage Model: VRD-4

**This unit has been tested to specifications. Vacuum pressure at 3 microns (Pressure gauge not included). Has slight cosmetic blemishes from normal use. See photos for further details.

The vacuum pump Value TF-VRD-4 is a dual stage industrial vacuum pump compatible for CFC, HCFC. is a customized vacuum pump for laboratories of energetic materials. Sample drying and other vacuum treatment operations require a robust design with enough power to deal with un-tight assemblies. The Value TF-VRD-4 industrial vacuum pump is designed with dual stage, adjustable gas ballast and automatic check valve for optimum reliability. The adjustable gas ballast valve meets the different requirements for condensable steam (such as steam) to be discharged from the pump. When the pump stops and has to be restarted, the double oil backflow protection ensures that the oil pollution is drained off. The internal forced lubrication system and a constant pressure oil supply mechanism ensure stable pump operation.

Single-phase and/or three-phase power supply.

High level of performance.

It is easy to maintain and repair

Integrated cylinder structure and innovative oil circulation system ensuring high stability

Specifications

Power Supply	Single 3-ph
Ultimate vacuum	Ballast close: 5 x 10-1 Pa Ballast open: 3 Pa
Power max.	0,40 / 0,37 kW
Capacity	4 m3/h (65 l/min)
Min. pressure (ballast closed)	0,05 Pa
Min. pressure (ballast open)	10 pa
Switchable mains supply	110 V or 220 V / 50 - 60 Hz (1 phase
Power	400 W

Systec

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