First of all, let's get to know the working principle of the screw pump. There is a dynamic schematic diagram on the Internet that you can click to watch:
Does anyone know about the screw pump?
according to the online search, the following information can be used for reference:
domestic brands of screw pumps
1. Shanghai Zhongcheng Pump Industry CNSP
Shanghai Zhongcheng Pump Industry Manufacturing Co., Ltd. mainly produces single screw pumps, rotor pumps and sanitary pumps. "CNSP" Zhongcheng Pump Industry is a well-known brand in the screw pump industry.
2. Huangshan Industrial Pump RSP
Huangshan Industrial Pump Manufacturing Co., Ltd. mainly provides three categories of products, namely single-screw pump, double-screw pump and three screw pump, and establishes professional brands of "Yellow Pump" and "RSP" screw pumps.
3. Tianjin Pump Machinery Group CTP
Tianjin Pump Machinery Group Co., Ltd. is the birthplace of the first screw pump in China. The main products are single, double and three screw pump.
4. Hangzhou Xinglong Pump Industry
Xinglong Pump Industry is headquartered in Pingyao Town, the birthplace of Liangzhu culture in the northern suburb of Hangzhou. The enterprise is the deputy head of the National Screw Pump Professional Committee and one of the drafters of several screw pump standards. The coal water slurry screw pump produced by the enterprise has won many national patents.
5. Chongqing Mingzhu
Chongqing Mingzhu Electromechanical Co., Ltd. is a high-tech enterprise recognized by the state, specializing in the research, development, production and sales of screw pumps and rotor pumps and related products, and is one of the units that formulate the domestic industry standards for single screw pumps. The main products include: single screw pump, double screw pump and rotor pump.
foreign brands of screw pumps
1. Netzsch of Germany
Netzsch Group, headquartered in Bavaria, Germany, has a history of more than 13 years and is a world-famous machinery manufacturing group. Naichi (Lanzhou) Pump Co., Ltd. (NLP), a wholly-owned enterprise of Naichi Group in China, mainly produces single screw pumps. NLP adopts advanced technology and scientific management mode from Germany, designs, produces, sells and serves NEMO pumps (namely single screw pumps) according to the standards of Germany, with the help of ERP network management system in computers and advanced imported CNC rotor processing equipment.
2. seepex, Germany
seepex, headquartered in Portlop, central Germany, was founded by Fritz Seeberger in 1972. It is mainly engaged in the research and development and production of single screw pumps, crushing cutters and control systems, as well as their global sales and after-sales services, and has a number of innovative and patented technologies for single screws. The number of employees worldwide has exceeded 63, making it the world's leading supplier of fluid material conveying and processing equipment. In 24, the third manufacturing center in the world was established in Nanhui Industrial Park, Pudong, Shanghai, so as to provide better service to customers in China.
3. Mono, UK
The group headquarters and main manufacturing plant of Mono, UK are located in Manchester, UK. The factory is mainly responsible for producing single screw pumps, spare parts, grinders, filters and oilfield products. Mono pump was successfully developed in London in 1935. Has been maintaining the leading level in the design and manufacture of this kind of pump products in the industry. In 22, the production of general components of screw pump began, and in 24, it began to operate in the manufacturing base of Shanghai Jiading Madong Industrial Park. In 23, Mono was acquired by Nova, a national oil well.
4. Leistritz, NVC, Germany (also translated as Leistritz)
Founded in 195 and headquartered in Nuremberg, Germany, NVC Leistritz is one of the largest multi-screw pump manufacturers in the world. Its products include twin screw pumps, three screw pump and five screw pumps. In 24, Lester Ritz established Lester Ritz Machinery (Taicang) Co., Ltd. in Taicang, Jiangsu.
5. Colfax, Corfa, USA
Corfa Pump Group, USA, is currently a famous manufacturer of industrial pumps and fluid control systems in the world pump industry and the largest screw pump manufacturer in the world. Its leading products include three screw pump, twin-screw pump and single-screw pump, and its world-famous pump brands include Allweiler, Imo Pump, Houttuin, Warren and Zenith. In 24, Wuxi Corfa Pump Co., Ltd. was established in Wuxi National High-tech Development Zone, Jiangsu Province.
6. Bornemann, Germany
Bornemann, Germany, was founded in 1853, located in Oberon, Hanover, Germany. Double screw pump with external bearing applied for many patents in 1934. Three screw pump was successfully developed in 196, eccentric screw pump in 1966 and multiphase pump in 1985. Now the main product is twin screw pump. In August, 24, a wholly-owned production subsidiary, Baonuoman Pump System (Tianjin) Co., Ltd., was established in Tianjin Economic and Technological Development Zone, and it was officially put into production in September, 25. In 212, Germany's Bornorman Pump Industry was acquired by ITT Pump Industry Group of the United States for $267 million, becoming a member of ITT Pump Industry Empire.
The above is the introduction of mainstream screw pump brands at home and abroad. On the whole, the quality of foreign brands of screw pumps is better, but the price is also super expensive. Some domestic independent brand screw pump manufacturers have also formed their own characteristics in the industry, which is worthy of trust. But you'd better not buy those bargains on the market.