ZHAOHAN PUMP WORKS is professional suplier for Siemens and Nash copy liquid ring vacuum pump and compressor. All our pumps are 100% interchangeable with Siemens and NASH both in dimension and performance. Most our client are using our pump to replace their existed Siemens and Nash pump. Some clients are also buying our spare parts for original Siemens pump repair. With excellent management and advanced production process, we focus on innovation and developing new products. Among them, the 2BV, 2BE1, 2BE3 series water ring pumps are used the advanced technology. Their inner structure is the same as the imported products. So their performance is as good as the imported pumps. Due to our high quality, excellent after sales service and competitive price, our pump are widely used in Paper industry, Mining industry, Electric power industry, petro chemical industry, pharmaceutical industry, environment industry and other general industry process. Production range as follows: Min Capacity: 27 m ³ /h Max Capacity: 38,000m ³ /h Min Vacuum: 33 mbar Min Power: 0.81 KW Max Power: 800 KW Our experienced and knowledgeable staff is dedicated to providing high quality products and after-sales supports. Welcome clients from home and abroad to contact us and establish business relations