New dry claw pump

Especially for rough industrial processes Leybold introduces the uncomplicated, dry rough vacuum Clawvac pump. Besides food processing, packaging and environmental technology applications, it is suitable for drying and sterilisation processes. The pump, which is offered in three pumping speed classes, is specially designed for continuous operation at every working pressures. Additionally the special pump design avoids that oil comes into contact with pumped gases, what allows higher oxygen applications. Leybold also offers with the Clawvac System series a new multiple pump system. These systems are based on Clawvac and offer a redundant plug-and-play solution.

Uncomplicated handling

The daily use of Clawvac is uncomplicated. Thanks to the self-supporting construction, the vacuum generator is easily accessible. The pump can be cleaned on-site. The simple handling of the robust pump can also be attributed to its operating principle: A pair of claw rotors rotating in the pump stator completely free of contact and wear. lawvac also distinguishes itself from standard claw pumps on the market by the choice of materials. Rotors made of stainless steel and a corrosion-resistant coated vacuum chamber, it proves its worth even under harsh process conditions. This makes an important contribution to reliable operation.

Disassembly in a few minutes

The modular pump design allows a quickly dismantling, opening and cleaning of the pump essentials as the pumping chamber and the silencer. For a mechanic these steps can be done in a few minutes and the frequency is purely depending on the hardness of the process. Except for the 20,000 hr oil & lipseal replacement, no further regular maintenance is required and additionally it is independent of the application. "Thanks to this pump characteristic, we have reduced the amount of servicing required and improved the environmental balance," explains Niels Gorrebeeck, Product Manager Rough Vacuum, Leybold.

Minimal downtimes

The novel design allows the user to disassemble and clean the claws quickly and easily as the rotors can be removed without having to readjust the synchronisation. This primarily relieves customers with rough & dirty processes, whose pumps previously needed a synchronisation at the manufacturer side. The set-up is based on a quick component replacement, which has to ensure a minimal downtime and low service costs.

Wide range of applications

On the basis of Clawvac, Leybold also has a new multiple pump system in its range, a powerful plug-and-play solution. Especially for packaging plants, pneumatic conveying lines or clamping devices of CNC machines the multi claw pumps are a reliable solution. This also applies to plastics processing machines, drying processes and central vacuum supplies.

“During the design we strongly focused on the customer needs as a high redundancy level, minimal maintenance needs and stable vacuum supple even in harsh environments,” explains Gorrebeeck. The earlier mentioned constant vacuum level guarantees the customer product quality in all conditions, the same intelligent control equalises the running hours of the fix speed pumps. The control principle is even as such developed that your Clawvac system keeps on running, even with half of it pumps active."