The HM51 is a 3/4" offset-hung, shallow-depth floor closer designed for hollow metal door and frame installation for interior doors weighing up to 250lbs. Includes closer body only, Less all parts.
Features
Single acting, handed
Interior doors (1-3/4" hollow metal doors & frames)
Designed for stock hollow metal doors and frames with standard weight 4-1/2" hinge preparation
Three special steel 4-1/2" ball bearing standard weight hinges with 3/4" offset are included - doors over 90" in height warrant an additional hinge
Specify spring size 3, 4, or 5 when ordering
Surface mounted bottom arm with thru bolts
Available non-hold open (NBC) or automatic hold open (ABC); specify 90° or 105°
Doors will swing 5° beyond hold open point
Separate independent valves for closing speed, latch speed, and backcheck
Available with floor plate or threshold installation
Interchangeable spindle adapters
Door weight up to 250lbs.
Cycolac, rust proof cement case
Door width up to 4' 0" (1219mm)
Benefits
Aesthetically appealing way to support and control the door
Constructed with robust materials and internal components
Concealment in-floor provides vandal resistance
Multiple valves provide enhanced control
Ideal for upper levels of multi-story buildings due to shallow depth design