New Rotary Vane Vacuum Pumps

The performance, efficiency and convenience of the new rotary vane vacuum pump are considered in the design. The sophisticated shaft seal technology enables the SV series to run for up to three years without maintenance in clean applications. Built-in filter, with top exhaust filter inside the tank, can provide clean pumping, greatly reducing oil loss and soot. SV series is suitable for packaging, degassing, plastic thermoforming, vacuum drying, impregnation, leakage testing, vacuum mixing and mixing, heat treatment and plasma technology, research and development and sterilization in various industries, such as food preparation industry.

New Rotary Vane Vacuum Pumps
The new rotary vane vacuum pump is compact in design, fewer components, higher reliability and 15% higher efficiency. It is an ideal choice for various industrial production and research applications.
The new generation replaces the previous series of oil-sealed rotary vane vacuum pumps in order to minimize total operating costs. Compared with the previous generation, the demand for electricity at the same volume flow is reduced by about 15%.
The flow rate ranges from 16 to 700 m3/h (60 Hz pumps used outside Europe, up to 840 m3/h), while the flow rate range of the front pump is only 20 to 305 m3/h (or 365 m3)/h, which is a 60 Hz variant).
“This can be attributed to many design improvements, including fewer components, optimized axle speed, low operating temperature and the special rugged design of the new pump, which help to reduce wear and tear.”
The pump uses an internal injection channel, which reduces the number of washers and the number of external pipes required. “As components are reduced by 20%, the risk of failure is greatly reduced,” Brits pointed out.
The pump has very good oil-holding capacity under all working pressures, which further improves its leading reliability. If the oil is polluted by the process, the quantity of oil will increase, which can bring obvious benefits under the difficult operation conditions, and the interval of oil change will also increase, thus prolonging the normal operation time and productivity.
In addition, the new generation provides protection against oil pollution and can handle higher inlet pressure than other pumps (including previous ones).
The inlet check valve protects the vacuum pump from reverse rotation when it stops without ventilation. The device also protects the use point from oil backsuction. The oil separation circuit is also optimized to minimize the oil vapor in the exhaust gas. “The risk of leakage is further minimized,” Britz added.
Under rough pressure, other pumps may be prone to overheating or oil leakage. Running at the lowest temperature in the market, it protects the consistency of the oil and prolongs its service life and maintenance interval, making the new pump very suitable for wider application than its predecessor.
Vacuum pump has low vibration, about 3 to 5 dB (A) quieter than previous products. The compact, space-saving design of the new device helps to quickly install in the workplace or build in machines.

Rotating Vane Vacuum Pump of Benefits

Most rotary vane vacuum pumps can handle thin liquids at relatively high pressures. The blade extension during operation helps to compensate for wear. Oil-lubricated rotary vacuum pumps can also be dried in a short time, which can reduce overall oil consumption and cost. In particular, dry pumps are cost-effective in ownership and operation, and are known for their environmentally friendly ways.

Maintenance of vane vacuum pump

Rotating vane vacuum pump is relatively easy to maintain. Over time, the blades wear out gradually – when they are a quarter inch shorter than the new length, they should be replaced. If any clearance is found, the bearing should also be replaced. If the new bearing can not be installed tightly on the shaft, which is a very common problem for replacing vane pump bearings, the shaft may need welding and processing. The worn seal should be repaired as soon as possible, because this is the main reason for the failure of vane vacuum pump.

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