Cast Iron Guided Disc
Fig 1123 IBBM
Fig 1123-GO
These IBBM valves are designed for dependable performance on steam, water, gas and oil lines where quick shut-off, control or regulation of flow is required. Bronze trim to handle fluids corrosive to iron. Seats are regrindable; discs and seats are renewable, without removing valves from the line.
Body to Bonnet
Close grained cast iron. Flanged ends make valves easy to install or remove in corrosive service.
Stems
Stemalloy silicon bronze is extremely resistant to corrosion and embrittlement. Stem scoring and corrosion eliminated because stem never contacts iron.
Disc
Cast Iron Disc that is bronze faced for superior sealing. Lower Disc Guide locates into bridge of seat ring for accurate alignment, assuring a tight disc to seat ring fit.
Seats
Cast Iron Seat rings are bronze faced. A hole is located in the seat bridge to accommodate disc guide pin through the seat and assures a pressure tight seat to disc seal.
Repacking
Large stuffing box. Repackable under pressure when disc is wide open. Bronze backseat bushings for non-corrosive bearing contacts.
Flanges
Flanged valves conform to American Standard Face to Face Dimensions, Ferrous Flanged Valves (ASME B16.10-1973) for 125 lb Cast Iron Globe and Angle Valves. Dimensions, drilling and facing of flanges conform to American Cast Iron Flange Standard, Class 125 (ASME B16.1-1975).
Fig 1123 IBBM
Fig 1123-GO
