Reliable VP-type vacuum pumps that continue to meet the diverse needs of the industry.
The VP-type vacuum pump is a multi-stage roots dry vacuum pump that employs a cooling technology unmatched by other companies. The YKS direct inlet-target cooling method, which achieves tight operation in a roots configuration and enables high vacuum pumping, is a new cooling technology developed based on unique technology. In a roots vacuum pump, the rotors and the casing rotate without contact while maintaining a slight clearance. This results in the significant feature of being a "dry, oil-free type." However, the slight clearance necessary for non-contact rotation can decrease due to thermal expansion caused by gas compression heat, leading to eventual contact unless the rotors can remove the compression heat. Our developed direct inlet-target cooling method adopts a structure that directly cools the interior of the rotor with a coolant, thereby maintaining a constant clearance and stable vacuum level while providing numerous excellent features. In traditional cooling methods, the production of stainless steel vacuum pumps was impossible due to the large thermal expansion rate. By leveraging the excellent features of the direct cooling method, we have successfully developed a stainless steel vacuum pump that offers outstanding performance for the suction of corrosive gases.
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basic information
The VP-type dry pump will solve your problems. - It can suction corrosive gases. - It can suction high-temperature gases. - The area around the vacuum pump gets dirty with oil. - Wastewater treatment is an issue. - Draining the intermediate cooler is cumbersome. - It can suction small amounts of dust. - It can suction condensable and solidifying gases. - The vacuum level is unstable due to temperature changes. - The installation space is large. - Electricity and water bills are high. - Contamination of the vacuum chamber due to reduced oil back. - The consumption of sealing oil deteriorates quickly. - Continuous operation is not possible due to drain condensate. - Equipment other than the vacuum pump is necessary. - The vacuum pump lacks durability. - After maintenance requires a lot of effort.
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Applications/Examples of results
The VP type consistently provides stable vacuum under such specifications. Vacuum distillation, vacuum melting, vacuum concentration, CVD, vacuum degassing, PSA, vacuum packaging, sputtering, vacuum drying, vacuum heat treatment, vacuum deodorization, etching, vacuum casting, vacuum sintering, vacuum deposition, vacuum chuck.
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Company information
We will respond to your needs with our unique technology. Specifications that you thought were impossible may be realized with Yotsuba Machinery. Performance that is gentle on the Earth. Since our founding, we have been committed to "Earth-friendly performance." This includes environmental measures such as clean exhaust vacuum and wastewater treatment, efforts to simplify plants, cost reduction in energy efficiency, and energy-saving processes. We pursue "environmentally considerate performance" in every aspect to address various issues surrounding the current situation. We want to contribute to environmental conservation, energy saving, and efficiency through our products and engineering. Additionally, we aim to leverage our past achievements in developing new products and technical cooperation to provide optimal products to more customers based on the accumulation of our technology and know-how. We create with our "gentleness" in mind and propose optimal solutions. Please consult Yotsuba Machinery Manufacturing.
