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17
2020-08

How to choose stainless steel ball valve ?

发布时间 : 2020-08--17 点击量 : 0
Stainless steel ball valve classification: stainless steel pneumatic ball valve, stainless steel electric ball valve, stainless steel manual ball valve. Stainless steel ball valve material is divided into 304/316 stainless steel ball valve. Stainless steel ball valve can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium. The valve body can be integral or combined. The working principle of ball valve is to make the valve unblocked or blocked by rotating the valve core. The stainless steel ball valve has the advantages of light switch, small volume, large diameter, reliable sealing, simple structure and convenient maintenance. The sealing surface and spherical surface are often closed and are not easy to be eroded by the medium, so they are widely used in various industries. The basis of choosing stainless steel ball valve 1. The nature of working medium: working pressure, working temperature, corrosion performance, whether it contains solid particles, whether the medium is toxic, whether it is flammable or explosive, and the viscosity of the medium. 2. The use, operating conditions, operation and control mode, specification and category of the selected stainless steel ball valve shall meet the requirements of the pipeline design documents, and the working pressure shall be greater than or equal to the working pressure of the pipeline. 3. Requirements for installation dimension and overall dimension: nominal diameter, connection mode and connection dimension with pipeline, boundary dimension or weight limit, etc. 4. Additional requirements for the reliability, service life and explosion-proof performance of electric device of stainless steel ball valve are required. 5. The requirements for the fluid characteristics of stainless steel ball valve include flow resistance, discharge capacity, flow characteristics, sealing grade, etc.
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