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Duct Check How It Works

Check leaves only the upper end is fixed, the lower end of a block, like the door, can only be opened from one direction, the other side will not be pushed open, usually when there is no wind is off, outside of the wind entrance, duct valves will have the wind blowing 

 


Kaitai Valve Group is headquartered at Baoshan City Industrial Zone,Shanghai China,  Also it is one of high-tech enterprises in Shanghai, a member of the Association of China General Machinery, and a regular supplier to some of the country’s major energy players such as China Petroleum & Natural Gas Corp, China Petrochemical, China Power and China Sea Oil etc.We mainly produce sales Ball ValveGate ValveGlobe ValveCheck ValveButterfly ValvePlug Valve and  Strainer.
We can supply the quotation and drawing of valves according to request of customers.
We can delivery valves in time as per our clients’ need.
We also provide the valves service of after-sales.
More valve  product information:http://www.valveschina.net/