Double Disc Butterfly Valves

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Eun Kwang Inotech Co., Ltd.

Busan, South Korea

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                                                            Item
                                                            Double Disc Butterfly Valves
                                                        
                                                            Type
                                                            Horizonal , Vertical
                                                        
                                                            Flange
                                                            KS B 2333(AWWA C 504) water works B.F.V
                                                        
                                                            Size(Nominal Diameter)
                                                            ø200mm~ø3000mm
                                                        
                                                            Working pressure
                                                            4.5K, 7.5K, 10K ,16K
                                                        
                                                            Maximum working pressure
                                                            10K  ,  13 , 14 , 22
                                                        
                                                            Pressure of water resistance test
                                                            5K ,  10K,   12K ,  18K
                                                        
                                                            Pressure of internal resistance test
                                                            7K ,  12K ,  15K ,  24K
                                                        
                                                            Maximum temperature
                                                            200℃
                                                        
                                                            Maximum fluids speed
                                                            3m/sec
                                                        
                                                            Operation
                                                            Manual, motor, pneumatic , hydraulic
                                                        
                                                            Direction of opening
                                                            left turn : open, Right turn : close
                                                        
                                                            Coating
                                                            Epoxy resins for water works
                                                        
                                                            Coating color
                                                            Grey or customer's request color

Applications of Double Disc Butterfly Valves

Waterworks

Sewage works

Industrial works

Agricultural water etc.

Characteristics of Double Disc Butterfly Valves

System with a quarter turn (1/4 turn). Simple to use, Less torque and a smaller installation space Manual, electric, pneumatic, and hydraulic operation.
There are two discs. Butterfly valves altered the fundamental principle of valve replacement and high pressure valves.
There are two discs. The butterfly valve has two discs that maintain ideal water resistance using a double blocking method.
Even with a long piping line installed, working is feasible without draining water inside the pipe.
This results in less damage caused by water supply interruptions and a shorter time between interruptions.
The sealing structure is made up of a metal seat (Disc) and a rubber seat (Body), and installation is achievable regardless of the direction of fluid flow (Excellent in water resistance in both directions).
Specifications include KS, AWWA, JIS, and DIN. On request, all international standards are accessible.