Outside Screw and Yoke, Flanged End
Lunkenheimer Gate Valves
Fig 1436 IBBM
Lunkenheimer Gate Valves are designed for dependable performance on high pressure steam, water, gas and oil lines. Bronze mounted (IBBM) to handle fluids for above service. Bodies 6″ and larger may be used with by-passes and drains.
Body to Bonnet
Close-grained cast iron. Bolted bonnets. Flanged and screw ends. Bronze trim (IBBM) for dependable service on steam, water, gas and oil lines. Two supporting webs between pipe flanges and body flange help strengthen valve against pipe line strain. Bodies of 6″ and larger have bosses for by-pass and drain connections.
Stem
Stemalloy with Acme standard threads. Outside screw and yoke design keeps threads outside body where the do not come in contact with corrosive fluids.
Disc
Cast iron with bronze facing rings in 8″ and larger sizes; all others solid bronze. Guide channels in disc are accurately machined and guide ribs in body are precisely cast, reducing wear.
Seats
Renewable. Bronze, heavily constructed and rectangular in section. Seat ring inner faces seat against solid walls of body recess.
Repacking
Large stuffing boxes; repackable under pressure when wide open.
Flanges
Flanged valves conform to American Standard Face to Face Dimensions, Ferrous Flanged Valves (ASME B16.10-1973) for 250 lb Cast Iron Wedge Gate Valves. Dimensions, drilling and facing of flanges conform to American Cast Iron Flange Standard, Class 250 (ASME B16.1-1967). Flanges save 1/16″ raised face. Shipped with flanges drilled unless otherwise specified.
Lunkenheimer Gate Valve: Fig 1436 IBBM
