High-Efficiency Dry-Screw Vacuum Pumps and Vacuum-Pumping Systems

Over the past 30 or more years, SVC Co., Ltd. has constantly accumulated its innovative technology in the field of dry-screw vacuum pumps, and vacuum-pumping systems. Today, the company is widely recognized as the world’s top-notch specialist in the field covering the entire business process, from design to manufacturing and export. SVC’s products are being supplied to global-leading vacuum and industrial companies in the fields of chemicals, medicines, semiconductors, iron making, shipbuilding, and tank terminals.

Notably, SVC has been in cooperation with Edwards Ltd. of the UK, a world-leading vacuum-pump manufacturer for over more than 20 years. The company has supplied dry-screw vacuum pumps under its own brand, Screwstar ― not only to domestically famous customers, but also to overseas customers in the United States, the EU, China and India. Equipped with its own expertise in vacuum-pump design and specialized screw technology, SVC can offer custom-tailored technological support, ranging from design to the development of new applications through to the trial operation. Efforts are continuously being made to provide customers with turnkey-based solutions for diverse industrial sections.

Screwstar Dry Screw Vacuum Pumps
In an effort to fulfill a wide range of chemical and industrial processes by rotating paired screws, SVC employs its unique screw-profile engineering expertise. Screwstar dry-screw vacuum pumps from SVC efficiently admit gases from the inlet into the pump inside and compress through the screws’ swept volume toward the discharge.
The hybrid screw design with engineered combination of variable pitches significantly increases compression efficiency for faster and smoother pumping. But, generation for safe pumping, particularly at the discharge, comes from the specialty design of unique hydrodynamic spiral jacket cooling mechanism, resulting in fulfilling the Atmospheres Explosibles (ATEX) directives. It also sharply reduces electrical consumption, but with sufficient pumping from atmospheres to its ultimate vacuum. Non-seized rotation of screws without lubricants between screws and stator can be achieved by precision machining, and balanced assembly of timing gears and bearings that are lubricated but well-sealed from the pumping chamber.

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