BEST FOR STOCK PURPOSE.
CLOSING POWER ADJUSTMENT
Spring Power adjustable according to door weight and width, 1
through 4 . Refer to installation instructions.
LATCHING POWER ADJUSTMENT
By changing the position of the frame arm on the foot bracket
closing force at the latch can be increased or decreased.
LOW OPENING RESISTANCE/HIGHER EFFICIENCY
A precise production for every components based on Ryobi's original qualitiy control system realized higher efficiency of almost 70% at the average of all ranges and decreased opening resistance to the lowest for eldery and handicapped persons.
D-2550 Series Door Closers can be used on both RH and LH doors
for both push side and pull side mountings.
FULL HYDRAULIC CONTROL
Controls the door through the entire opening and closing cycles by providing adjustable backcheck upon opening and adjustable general and latch speed through the closing cycle.
A backcheck feature set and adjusted by an independent valve. When introduced the backcheck stalls the opening of the door around 70 degrees. When doors are violently opened by pedestrians or wind, the backcheck feature reduces the likelihood of damage should contact be made with an adjacent wall or obstacle. For busy doors in public building, schools and colleges this facility protects people and property.
Optional backing plate allows D-2550 Series Door Closers to be
installed at hole pattern of Ryobi D-2100V series and other similar type door
FOR FIRE DOOR
D-2550 Series Door Closers have been successfully type-tested for conformity to all of the requirements of EN1154 ( including EN1634 Part. 1 )
ALL SEASON FLUID
All season fluid eliminates the need for seasonal adjustment.
None required other than to check security of fixings on a regular basis.
The non handed, optional hold open arm allows the door to be held
open at any angles between 70 and 180 degrees.
D-2550 Door Closers are available in SILVER, DARK-BRONZE, METALIC LEMON GOLD, BLACK, and WHITE finishes. POLISHED GOLD and POLISHIED SILVER are available as opotion.