The D343H three-eccentric hard-sealed butterfly valve is engineered for demanding fluid control scenarios. Its valve body seat sealing surface is overlaid with carbide or stainless steel via precision welding, delivering exceptional high strength, superior hardness, and outstanding wear resistance, making it ideal for handling abrasive or high-temperature media.
The upper and lower valve shafts are fitted with self-lubricating wear-resistant bushings, which effectively reduce friction during operation and significantly enhance the surface pressure resistance and operational stability of the bushings. This design not only minimizes maintenance requirements but also greatly prolongs the overall service life of the butterfly valve.
Widely applied in industries such as water supply, sewage treatment, and petrochemicals, it serves as a reliable solution for precise flow adjustment and reliable shutoff in high-pressure pipelines.
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