Metso Butterfly Valves BM Series

Zero leakage with double block and bleed full metal sealing Features Steam purging in seat area for continuous protection and cleaning, bearing protection as an option Two piece shaft design for maximized capacity Patented position indicator for highest process safety Double block and bleed (DBB) sealing system for hydrocarbon and oxygen segregation Compact and solid design 100% fluid segregation Block function with steam High corrosion and abrasion resistance Cobalt based alloy sealing surfaces and disc edge protection Fire safe design Gate valve face to face length Benefits High operational reliability, best thermal expansion resistance - works in all process conditions Maximized process uptime, faster transition to decoking mode and fast operation Compact and low weight construction – no extra piping support needed Flexible plant design - suitable for all installation directions and high temperatures up +600 C Zero leak construction prevents the back flow of the process gas to cracker furnace Minimized OPEX - maintenance free up to 5 years Optimized maintenance process for maximized process uptime