The bellows sealed gate valve is a valve manufactured using advanced foreign technology, renowned for its high elastic metal bellows. This design not only eliminates the problems of rapid aging and easy leakage of the valve stem packing seal in ordinary valves but also significantly improves the energy of the equipment, increases the safety of the production equipment, reduces maintenance costs and frequent maintenance, and provides a clean and safe working environment. Main Features Dual sealing: The bellows plus packing sealing method ensures effective prevention of leakage even in the event of bellows failure. Rational structure and reliable sealing: It has excellent performance beautiful appearance design. No fluid loss: Reduce energy loss and improve the safety and efficiency of factory equipment. High wear resistance: The sealing surface is welded with Co-based alloy, which has excellent wear resistance, corrosion resistance, and anti-friction performance. Maintenance-free design: The robust and durable bellows sealing design ensures zero leakage of the valve stem and requires almost no maintenance. Application Fields The bellows sealed gate valve is widely used in various industries such as petroleum, chemical, pharmaceutical, fertilizer and power, suitable for pipelines in various working conditions, and is used to cut off or connect the pipeline medium. Structural Characteristics of Bellows Sealed Gate ValveMaterials and Performance Main parts material: including 13Cr, 2Cr13, flexible graphite, CF3M GRAPHITE, PTFE, etc to meet the needs of different working conditions. Valve stem tempering and surface nitriding treatment: It has good corrosion resistance and anti-friction performance, extending service life of the valve. Dimensions and Connection Methods The bellows sealed gate valve provides a variety of dimensions and connection methods to adapt to different installation needs and application. Market Application Examples of Bellows Sealed Gate Valve DIN Standard Bellows Sealed Gate Valve It uses a double-layer stainless steel bellows as the stem sealing element and uses graphite packing as a secondary auxiliary seal, truly eliminating leakage. It is suitable for small process equipment, lightweight forged steel gate valves, and steam hot water, and heat exchange fluid systems. FABA-Plus Reinforced Bellows Sealed Gate Valve The newly designed two-in-one gate check valve, equipped a reset spring, can be installed in any position, with better performance and more convenient use. It provides a variety of materials, connection methods, and installation forms to from. Bellows Sealed Gate Valve Selection Guide Choose according to working pressure and temperature The bellows sealed gate valve is suitable for various working conditions with a pressure of PN1.6-4.0MPa and a working temperature range of -20 to 350℃. When choosing, the appropriate and material should be determined according to the working pressure and temperature of the actual application. Consider maintenance costs Since the bellows sealed gate valve adopts a maintenance-free design it can effectively reduce maintenance costs and reduce the number of maintenance in the long run. In summary, the bellows sealed gate valve, with its excellent performance and reliability plays an important role in many industrial fields. When choosing and using, it is necessary to comprehensively consider the specific application needs and working conditions to ensure the best performance safety.
