This GVK HY Series butterfly valve excels other conventional valves such as gate valve and globe valve in all aspects, especially in terms of light weight(1/3-1/5 of conventional valves), less number of component parts no flange gaskets required (but if Range rating 10kg/cm² exceed, Range gaskets are necessary)and economical operation and maintenance costs,

The valve seat is constructed by a strong replaceable synthetic rubber, HANYANG own seating mechanism of The pressure-touch system offers a very low torque, tight shut off with no leakage, compact actuator selection, long life service.

This valve is used successfully in a wide variety of applications such as industrial plants ship, building air conditioning of building, fire alarm system, water treatment and so on.