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Product Description
R-71800 series high performance butterfly valve feature triple eccentric design which provide zero friction between dick and seal in 0-90° rotation. Multi level of seat that mixed with mental and non-metal material, effectively protect the valve from leakage. They are frequently applied in high temperatures services.
Product Parameters
(1)Trim: Multi-level Valve Seat Triple Eccentric Structure
(2)Body : Straight
(3)Bonnet: Standard
(4)Temperature Range : -196℃~538℃
(5)Plug sealing : Standard Graphite
(6)Leakage :CLASS VI
(7)Flow characteristic : Approximate Equal%
(8)Pipe Line Connection : Flange Wafer
(9)Range ability : 30:1