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