Product Description: 100% oil-free, calm water, running like a superior technology is widely used nash_elmo gas ring vacuum pumps / compressors have a wealth of experience in the successful application. Installed a large number of examples to prove the efficiency of its own optimized, safe operation and universal application and maximum reliability. Product range encompasses inspiratory volume from 20 ~ 2500m3 / h (12 ~ 1470cfm) and the pressure difference from 50 ~ 850 mbar (20inchesHgvac. ~ 12.3psig) in a variety of specifications. Excellent design and precision manufacturing process ensures nash_elmo gas ring vacuum pump / compressor low operating costs and long service life, even in extreme operating conditions, but also safe operation. Quiet and smooth for your sake and applications to adapt to the highest requirements of various industries is our mission. Continuing to optimize the performance and technology in our lab development engineers, especially for noisy equipment running as a development focus. Through years of efforts, the noise intensity device is greatly reduced. Specifications Qi Quanheng global reputation RT-2200 with wide voltage motor (frequency 50 / 60Hz), protection class IP55 (temperature class F), through CSA 22.2 No.113 and UL 506 certification. Anywhere in the world can apply nash_elmo gas ring vacuum pumps / compressors, whether in Europe, the Middle East, Southeast Asia, Australia, or South America, nash_elmo can be delivered within a very short time, because the bulk of our inventory of products you can always meet your needs. RT-2200 performance advantages of ultra-low-noise durable globally applicable, bulk inventory, certified by UL and CSA certified ATEX 100a various performance range of light weight, compact structure (aluminum castings) converter and the muffler has a variety of environmental protection equipment accessories, such as converter and muffler main application of general machinery and printing machinery industry and environmental protection industry, plastics industry, packaging industry, water treatment, industrial pneumatic conveying