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Most price-perfomance competitive bellow valve manufacturer.
machine research and development,
production and sales.
Conical seal design lt can magnify the axial force from valve stem into sealing force.Under the same pressure, greater sealing pressure can be obtained.Closing is easier and sealing performance is better.
Protective space design can be added.Bellows are placed in a protective spaceand are not directly affected by pressureand temperature of media.
Reduce noise and tremble Equipped with center positional system,it can effectively reduce the vibration ofvalve in operation.
Bellows components extended and multiple layer, anti-torsionand long life bellows can completelyrefresh the opening and closing life ofdomestic bellows, up to 10000 times.
100% bellows components and valves qualified according to the fugitive emission test standard ISO15848-A standard when they leave the factory.Ensure zero leakage.
Double seal design bellows and packing double sealingdesign for double safety. Which makesthe sealing at the valve stem safer andmore reliable, and conforms to international sealing standards.
All AIV team wish you a happy and healthy new year. For the coming Chinese new year holiday, the workshop and office will rest from January 23 to Febru…Friday, 14 January 2022
To business friends,Due to the influence of COVID-19, the offline exhibition has been seriously affected, and it is difficult for most customers to tra…Wednesday, 19 May 2021