Ball valve as a commonly used type of valve in the industrial field, its application range is wide, involving many industries. This article will invite experts in the field of ball valve application in China to provide you with professional advice to help you better understand and choose ball valve products.
First, China ball valve application range
Ball valve is widely used in petroleum, chemical industry, natural gas, water treatment, electric power, metallurgy, medicine, food and other industrial fields. The selection of ball valve needs to be comprehensively considered according to the specific working conditions, medium characteristics, temperature, pressure and other factors.
Second, ball valve selection suggestions
1. Medium characteristics
(1) Corrosive media: For corrosive media, ball valves of stainless steel or corrosion-resistant materials should be selected, such as stainless steel, cemented carbide, etc. At the same time, sealing materials also need to choose materials with good corrosion resistance, such as fluororubber, polytetrafluoroethylene and so on.
(2) High temperature media: Under high temperature media, ball valves made of high temperature wear-resistant materials should be selected, such as high-temperature alloys, ceramics, etc. At the same time, the sealing material needs to have good high temperature resistance, such as graphite, metal seals, etc.
(3) Clean media: For clean media, it is necessary to choose a clean level ball valve and ensure the surface finish of the ball valve. In addition, sealing materials containing impurities should be avoided.
2. Working conditions
(1) High-pressure conditions: Under high-pressure conditions, materials with high strength and pressure resistance should be selected, such as cast steel, stainless steel, etc. At the same time, the sealing performance of the ball valve also needs to meet the high pressure requirements to ensure the safe operation of the valve.
(2) High temperature conditions: Under high temperature conditions, the material of the ball valve needs to have good high temperature strength and oxidation resistance. In addition, the sealing material needs to have good high temperature resistance to prevent seal failure.
(3) Wear conditions: For severe wear conditions, ball valves with high wear-resistant materials such as cemented carbide and ceramics can be selected. At the same time, choose sealing materials with good wear resistance, such as polytetrafluoroethylene, graphite and so on.
Three, ball valve use and maintenance suggestions
1. Pre-use inspection: Before using the ball valve, check the integrity of the ball valve to ensure that the ball, valve body, seal and other parts are free of damage and defects. At the same time, check whether the connected pipeline is clean to avoid impurities affecting the normal operation of the ball valve.
2. Correct operation: When operating the ball valve, it should be carried out in accordance with the specified operation methods to avoid excessive force or improper operation resulting in damage to the ball valve. In the closed state, the pressure should be avoided for a long time, so as not to cause seal damage.
3. Regular maintenance: Regularly maintain the ball valve, check the sealing performance, operational flexibility, etc., to ensure that the ball valve is always in good working condition. For worn, damaged parts, should be repaired or replaced in time.
Iv. Conclusion
Ball valves are widely used in the industrial field, and the selection and use process need to be comprehensively considered according to the specific working conditions and media characteristics. I hope that the professional advice provided by the experts in the field of ball valve application in China can provide you with a useful reference when choosing ball valve.
Post time: Aug-25-2023
