Spring bottom door closer, narrow base plate

FL-840B

Patented in many countries
Adjustable closing force
In-house tested 100,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 915mm (36"), max. door weight 60kgs(132lbs)/set
For metal doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open isalso available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Dimensions: (unit : mm)

Narrow base plate

Application Example: ( Spring bottom closer FL-840B + top pivot FL-880 = one set )

Top pivot FL-880

Patented in many countries
Adjustable closing force
In-house tested 200,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 915mm (36"), max. door weight 60kgs(132lbs)/set
For wooden doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open is also available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Patented in many countries
Adjustable closing force
In-house tested 200,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 1,000mm (40"), max. door weight 80kgs(176lbs)/set
For wooden doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open is also available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Patented in many countries
Adjustable closing force
In-house tested 100,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 915mm (36"), max. door weight 60kgs(132lbs)/set
For wooden doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open isalso available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Patented in many countries
Adjustable closing force
In-house tested 100,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 915mm (36"), max. door weight 60kgs(132lbs)/set
For wooden doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open is also available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Patented in many countries
Adjustable closing force
In-house tested 200,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 1,000mm (40"), max. door weight 80kgs(176lbs)/set
For metal doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open is also available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Patented in many countries
Adjustable closing force
In-house tested 200,000 cycles
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 915mm (36"), max. door weight 60kgs(132lbs)/set
For metal doors
For double action indoor in 180° opening each side with 90° hold-open, no-hold open is also available
Self-closing below 90°, and close precisely at 0°
Easy concealed installation (better aesthetics and no need for cement hole on the ground)
Two functions in one product, no need to use door hinge
No worry for oil leakage problem

Technical specifications