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From June 17 to 19, 2025, Naishi Valves made a notable appearance at the 27th China Import and Export Fair (Canton Fair), Section C – Gas & Fluid Exhibition. The company s...
Naishi Valve Co., Ltd. has successfully completed the production and shipment of a batch of fully welded ball valves and globe valves bound for Germany. These valves will be in...
Recently, the elevated-height gas ball valve (2-meter extension) and matching electro-hydraulic actuator, independently developed and designed by our company, have successfull...
Recently, the Fujian Xinao Gas installation project, for which our company was responsible for supply and technical support, was completed. After the efficient collaboration a...
Common causes: Wear or scratches on the valve seat (the medium contains particles). Deformation of the ball (used at high temperature or overpressure). Aging of the seal ring (...
A ball valve is a valve that controls the flow of fluid by rotating the ball. Its core component is a ball with a through hole. When the through hole of the ball is aligned wit...
Installation points: Confirm the flow direction mark (some ball valves have direction requirements). Avoid high welding temperature from damaging the seal (welded ball valves r...
Common types and applicable scenarios: Floating ball valve: The ball can float slightly, and the valve seat is sealed by the medium pressure. Suitable for small diameter, mediu...
Recently, a delegation from the Inner Mongolia Autonomous Region paid a three-day visit to our company for comprehensive inspections and strategic discussions on energy equipm...
Recently, our technical expert team traveled to Russia to engage in specialized technical discussions with a local energy group regarding valve equipment stability in extreme c...
Recently, the DN800 large-caliber heating-specific ball valve manufactured by our company completed the valve body painting process and entered the key surface treatment finis...
Today, a high-level delegation from UAE's Sahi Business General Trading LLC visited our headquarters and production base for a five-day technical inspection and exchange. Both ...
