Yale 400 4400 - Manual (Page 30)

Page 30 Condensed Catalog
50BC/51 Series Door Closers are ideal for use with aluminum store front doors
and frames, yet they also complement wood or metal door installations.
• Non-handed
• Staked valves
• Standard, separate and independent, latch, sweep and backcheck intensity valves
• 2-7/8" (73mm) projection
• Delayed action (in lieu of backcheck)
• Corrosion-resistant model (specify 51S)
• Molded plastic cover
• Heavy-duty arms available: Parallel Rigid, Holder/Stop, Holder/Stop Spring and UNI Stop™
• Certified ANSI/BHMA A156.4, Grade 1
• UL listed
• UL10C compliant for positive pressure
• ADA compliant (51BF)
DOOR CONTROLS
50BC/51 SERIES
50BC 51 51BF
Sized springs 2,3,4,5,6 with no power adjustment X
Adjustable spring sizes 3 through 6 X
Adjustable spring sizes 1 through 4 X
Bi-pack standard (regular arm and top jamb mounting) X
Tri-pack standard (regular arm, top jamb or parallel arm mounting) X X
FEATURES
OPTIONAL FEATURES
COMPLIANCE STANDARDS