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In 2022, as global warming and environmental pollution became increasingly severe, the World Environment Organization and various countries paid greater attention to environmental protection. Especially in our country in recent years, there has been an **unprecedentedly strict approach to environmental protection. Everyone can personally feel that environmental inspections of many factories are becoming increasingly strict, especially those in the steel and coal industries, as well as in the paint and coating sector and the petrochemical industry. The Yantai Wolm dry screw vacuum pumps are used in more than 20 industries, including fine chemicals, petrochemicals, pharmaceuticals, sugar production, food and beverages, and environmental protection. Screw pumps are suitable for applications in the chemical industry where vacuum is required. When using dry screw vacuum pumps in this industry, it is important to focus on quality, while also ensuring reliability in terms of processes and production. Screw vacuum pumps are commonly used in the chemical industry for tasks such as aeration and mixing, cleaning equipment, transfer, low-temperature freezing or pressure filtration, spraying, driving metering pumps, cleaning pipes by drilling and blowing air, pneumatic control, transporting liquids, in rubber factories, paint factories, pharmaceutical manufacturing, plant maintenance, plastic factories, and more. The chemical industry requires dry screw vacuum pumps, as its production processes often involve the use of and generation of corrosive gases, liquids, and dusts, as well as a large amount of flammable and explosive hazardous substances, along with toxic materials that are irritating and polluting. Therefore, in the design of production equipment and other related elements, measures such as corrosion protection, fire prevention, and explosion protection are taken into account. However, dry screw vacuum pumps, with their oil- and water-free properties, are highly suitable for use in such production environments. In the production processes of the chemical industry, the air compressed and discharged by oil-free screw pumps is processed through a gas storage tank, a dryer, and a filter, turning into clean and stable gas that is used for nitrogen production and the manufacture of chemical raw materials. For example: Many customers, after using several dry screw vacuum pumps from Yantai Wolm, have realized that screw pumps are suitable for applications in the chemical industry where vacuum is required, and they hold great potential for further development; their power consumption is lower than that of water ring pumps, which helps to save energy ； The gas medium is transported by screws, resulting in no water pollution. Moreover, Volmer screw pumps have good quality and a long service life. These customers continue to use Volmer brand screw pumps whenever they upgrade or expand their equipment. As long as the quality and technology are good, it’s also a great option to choose domestic products. Of course, there are also many enthusiastic customers who introduce the Volmer screw pumps to their friends. Dry screw vacuum pumps are expensive, costing several times as much as water ring vacuum pumps. So, would organizations choose to purchase them when a water ring vacuum pump can meet their needs? It’s normal for screw pumps to be expensive; after all, advanced technologies require years of research and development, and the associated costs mean that such products cannot be introduced at low prices. In every industry, high-end technology inevitably comes at a high price. With screw pumps as well, the actual performance speaks for itself. As long as the design technology and product quality meet the standards, strive for a favorable price as much as possible. There’s no need to keep worrying about the price; once you spend a significant amount of money, you should definitely take advantage of Wolm Enterprise’s one-stop service. For example: there are too many customers who, after purchasing low-end pumps, end up trapped in a vicious cycle of shutdowns for repairs and rotor replacements, which significantly affects the company’s profitability. For screw pumps, technology is of key importance; without it, relying solely on repairs and part replacements is not a viable approach. Then select Volm to find the technical solutions from years ago (with modifications based on the current operating conditions). For a factory equipment procurement plan, it is necessary to make two purchases, resulting in higher capital investment. More energy and labor costs are required. When screw pumps are used in your process, you won’t encounter the problems associated with water ring pumps. The initial cost is higher than that of water ring pumps, but over the long term they help reduce a company’s production costs; there are no expenses related to wastewater treatment, water consumption is low, energy use is reduced, and overall energy consumption is lower. (You can read more about screw pump manufacturers: Saving millions of yuan per year – examples of the use of screw vacuum pumps in the chemical industry.) Dry screw vacuum pumps are roughly twice as expensive as water ring pumps (of course, this is when both are imported products). Imported screw pumps can have a several-fold price difference compared to domestic low-brand water ring pumps. (Only the price of the equipment matters; subsequent repairs and maintenance are never taken into consideration.) The editor believes that there’s no need to delve into this senseless practice of comparing prices. Finally, it should be noted that the screw pump manufacturers available on the market vary in quality; when making a choice, it is essential to select reputable, large-scale, and capable manufacturers so as to ensure hassle-free use and maintenance in the long term! Yantai Wolm Vacuum Technology Co., Ltd. was officially registered in 2002 and specializes in the production of water ring vacuum pumps, dry screw vacuum pumps, Roots vacuum pumps, as well as complete vacuum units and vacuum system equipment. The products are widely used in dozens of industries such as pharmaceuticals, fine chemicals, sugar production, alcohol manufacturing, starch processing, advanced corn processing, and sewage treatment. They are routinely used as components for evaporators, filters, and other equipment. Through more than 20 years of development, it has become a highly influential supplier of complete vacuum pump systems in the industry. The flat-disc vacuum pumps produced by the company possess the same performance as well-known German vacuum pumps, share the same internal structure, and their technology is at an internationally advanced level. "Volm’s vacuum products do not pursue being large and comprehensive in their design; instead, they aim to achieve excellence through specialization and precision. ““To produce high-quality vacuum pumps in China” is our goal!