Top hydraulic buffer with narrow base plate (for metal doors)

FL-840B-HB

Patented in many countries
Adjustable closing speed 4-15 seconds - using with pneumatic (P80) bottom closer
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 1,000mm (40"), max. door weight 80kgs(176lbs)/set
In-house tested 300,000 cycles
For metal doors
For double action indoor in 180° opening each side
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: (Pneumatic bottom closer FL-840BP80 + top hydraulic buffer FL-840B-HB = one set )

FL-840BP80 Pneumatic bottom door closer

Patented in many countries
Adjustable closing speed 4-15 seconds - using with pneumatic (P80) bottom closer
For indoor use, min. door thickness 35mm (1-3/8"), max. door width 1,000mm (40"), max. door weight 80kgs(176lbs)/set
In-house tested 300,000 cycles
For wooden doors
For double action indoor in 180° opening each side
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 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 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

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 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