SUMITOMO HEAVY INDUSTRIES TECHNICAL REVIEW
Liquid Ring Vacuum Pump Unit
Takashi EDAMOTO


This paper introduces the characteristics of Shin Nippon Machinery (SNM)'s liquid ring vacuum pump, discusses the superiority of the liquid ring vacuum pump unit in particular markets (LNG market and the semiconductor market), and suggests a direction for the development of differentiated technologies that will lead to future market development and customer benefits. The liquid ring vacuum pump introduced in this paper is a vacuum pump product produced under a technological alliance with Sterling SIHI GmbH of Germany. The liquid ring vacuum pump unit is a pump unit that is based on a watersealed vacuum pump manufactured and sold through a technological alliance with Sterling SIHI GmbH of Germany and employs expertise of SNM.