Non-Rising Stem, Flanged End
Lunkenheimer Gate Valves
Fig 1428 IBBM
The Lunkenheimer Gate Valve with non-rising stem design is for use in cramped spaces, with minimal headroom. Iron body with bronze mountings (IBBM) recommended for general use on steam, water, air, oil and gas lines.
Body to Bonnet
Close-grained cast iron. Flanged ends make valves easy to install or remove in general use or corrosive service. Two supporting webs between pipe flanges and body flange help strengthen valve against pipe line strain.
Stem
Non-rising design. Acme standard threads with long engagement in yoke bushing.
For IBBM valves: Leaded manganese bronze. Exceptionally resistant to wear and corrosion.
Disc
Solid Iron Discs are bronze faced for excellent wear and sealability.
For IBBM valves: Solid bronze in 2″, 2 1/2″ and 3 1/2″ size. Iron with bronze faces in larger sizes. 4″ and larger sizes have bronze, press-on seat rings mounted to cast iron disc.
Seats
Renewable. Solid seat rings are bronze faced on 4 inch and smaller valves, and press-on bronze seat rings for larger size valves.
Repacking
Swing gland bolts and shelves facilitate repacking. Large stuffing boxes; repackable under pressure when wide open.
Flanges
Conform to American Standard Face to Face Dimensions, Ferrous Flanged Valves (ASME B16.10-1973) for 125 lb Cast Iron Wedge Gate Valves. Dimensions, drilling and facing of flanges conform to American Cast Iron Flange Standard, Class 125 (ASME B16.1-1975). Have plain face with smooth finish.
Lunkenheimer Gate Valve: Fig 1428 IBBM
