TM Valve Seat Seal Selection Guide FloTite（TM FloTite阀座密封的选择指南）.pdf

Tech Bulletin 10 FL I TM O T TE FLO TITE Valve Seat Seal Selection Guide valves controls Choosing The Right Seat Material is the Most Challenging Decision in Ball Valve Selection Valve Soft Parts Flanged End 3PC Valves Valve Seat (2) Body Seal (2)   Body Seal (1) Valve Seat (2)   Spiral Wound 316 / Graphite Flanged End, 2 and 3 PC Valves share the same stem packing. V-Ring Stem Seal (5) Thrust Washer (2) VALVE REPAIR KIT INCLUDES ALL SOFT PARTS Seats - Body Seals - Stem Packing - Thrust Washer Flo-Tite ball valves are available with a variety of seat seal options to allow use in a wide range of general as well as special services. These soft-seated ball valves are factory tested for tight shutoff and will continue to perform so for extended period. One of the most important factors affecting shutoff capability is the nature of media being handled. Service life is affected by all of the following factors. Pressure Type of Media Temperature Cycling Frequency Degree of Pressure Fluctuation Velocity of the Media Degree of Thermal Fluctuation Speed of Va