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Home > Builders' Hardware > Products > Door Closers > GEOPRO > TRACK-RAIL TYPE Application/Feature
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Door Closers

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GEOPRO TRACK-RAIL TYPE
SLIMMER AND SIMPLER

APPLICATION

Model No. Applicable door size
Pull side installation Push side installation
Without hold-open With hold-open Without hold-open With hold-open Width (mm) Weight (kg)
Right Hand Left hand Right hand Left hand Right hand Left hand Right hand Left hand
GT-4V-R GT-4V-L GTS-4V-R GTS-4V-L GT-4PV-R GT-4PV-L GTS-4PV-R GTS-4PV-L 800 to 1050 15 to 100

FUNCTION

Specification Installation Pull side Push side
Handing Select handing, Right hand or Left hand
Material Aluminum Alloy
Adjustable range of
Max. opening angle
Offset hung case: 18mm offset 78° - 159° 81° - 141°
79° - 159° 82° - 138°
78° - 160° 81° - 140°
Performance Durability 500,000 cycles
Standard function 1st speed Adjustment
2nd speed Adjustment
Latching Action
Closing Force Adjustment


TWO SPEED CONTROL VALVES

There are two speed ranges for door closing speed which can be adjusted by independent speed valves.


STRONGER LATCHING ACTION

This ensure to close the door firmly by increasing the closing speed at 2 degree before closed position.



OPTIONAL HOLD-OPEN

The non handed, optional hold-open arm allows the door to be held open.


CLOSING POWER ADJUSTMENT

Closing power is adjustable according to door weight and width by adjusting the spring power.
To increase closing power, turn spring adjusting nut clockwise. To decrease closing power, turn spring adjusting nut counterclockwise.


Adjusting closing power according to table

Max. door width and height
(mm)
Max. door weight
(kg)
Turns of closing power adjustment bolt
from Preset from Min.
800 x 1800 30 -6 0
900 x 2100 45 -4 +2
950 x 2100 65 0 +6
1050 x 2400 100 +6 +12


WIDE COLOR VARIATION

Track-rail type

GEOPRO Track-rail type are available in WHITE, BLACK and SILVER finishes.