DATA AND FEATURES |
NSK 680 |
NSK 6825 |
NSK 6836 |
Fixed closing force |
Spring strength(EN) |
2 to 4 |
2 to 5 |
3 to 6 |
Standard doors |
<_ 750mm <_ 20kg
<_ 850mm <_ 40kg
<_ 950mm <_ 60kg
<_ 1100mm <_ 80kg
<_ 1250mm <_ 100kg
<_ 1450mm <_ 120kg |
X
NSK-680
NSK-680
X
X
X |
X
NSK-6825
NSK-6825
NSK-6825
NSK-6825
X |
X
X
NSK-6836
NSK-6836
NSK-6836
NSK-6836 |
Body Dimensions(mm) |
Length
Height
Projection |
220
59
12 |
248
62
42 |
297
59
46 |
Arm |
Standard
Parallel
Track (standard)
Track (hold-open) |
Y
O
O
O |
Y
O
O
O |
Y
O
O
O |
Rack and pinion
Power shoe arm bracket
Angle of opening
Power adjustable by spring
Power adjustable by position
Sweep speed adjustable
Latching speed adjustable
|
|
Y
Y
180°
X
Y
Y
Y |
Y
Y
180°
Y
X
Y
Y |
Y
Y
180°
Y
X
Y
Y |
Hold open |
Built in
Hold open arm |
X
Y |
X
Y |
X
Y |
Back Check |
Self-regulating
Adjustable at valve |
X
Y |
X
Y |
X
Y |
Delayed action adjustable
Non-handed
With cover
|
|
X
Y
O |
O
Y
O |
O
Y
O |
Application |
Regular (1)
Parallel arm (66)
Transom (61)
|
Y
O
Y |
Y
O
Y |
Y
O
Y |
Guarantee/years |
|
5 years |
5 years |
5 years |