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Valves for water treatment engineerin

Jun 23,2022 Posted by Bundor

Industry News
The purpose of water treatment is to improve the water quality and make it meet a certain water quality standard. According to different treatment methods, there are many kinds of physical water treatment, chemical water treatment, biological water treatment and so on. According to different treatment objects or purposes, there are two categories: water supply treatment and wastewater treatment. Water supply treatment includes domestic drinking water treatment and industrial water treatment; wastewater treatment is divided into domestic sewage treatment and industrial wastewater treatment. Among them, boiler feed water treatment, make-up water treatment, steam turbine main condensate water treatment and circulating water treatment, which are subordinate to the category of industrial water treatment, are particularly closely related to thermal technology. Water treatment plays an important role in developing industrial production, improving product quality, protecting human environment and maintaining ecological balance.

Water treatment engineering is to purify, soften, disinfect, remove iron and manganese from water that does not meet the requirements. A project of removing heavy metal ions and filtering. Simply put, "water treatment project" is a project to remove some substances in water that are not needed for production and life through physical and chemical means. It is a project for water quality conditioning such as sedimentation, filtration, coagulation, flocculation, and corrosion inhibition and scale inhibition of water for specific purposes.
What are the valves for water treatment projects?
Gate valve: The function is to cut off the water flow. The opening of the gate valve can also be seen from the lift height of the valve stem.
Ball valve: used for cutting, distributing and changing the flow direction of the medium. Open/close valve for general purpose. Not suitable as a throttle valve, but can be used to reduce the pressure entering or exiting the system in a partially open state.
Globe valve: The main function in the water treatment pipeline is to cut off or connect the fluid. The regulating flow of the globe valve is better than that of the gate valve, but the globe valve cannot be used to adjust the pressure and flow for a long time. Otherwise, the sealing surface of the globe valve may be washed by the medium. Corrosion and damage to sealing performance.
Check valve: used to prevent backflow of media in water treatment pipelines and equipment.
Butterfly valve: cut-off and throttling effect. When the butterfly valve is used for cutting off, the elastic seal is mostly used, and the material is selected from rubber, plastic, etc. When it is used for throttling, the metal hard seal is mostly used.

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