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2657SIL
2657 SERIES STANDARD ARM DC SIZE 5-7 SILVER
Avg. Dispatch Time : 9 Day
Price is exclusive of Taxes
Lockwood 2657 Surface Mounted Door Closer
Designed and manufactured to exacting standards. These world recognised standards ensure the highest possible quality, efficiency and reliable performance. All models (except hold-open) are tested and approved on fire doors in accordance with Australian Standard AS1905:1:2005 Fire Resistant Doorsets. New multi functional designs offer the specifier, stockist or the installer outstanding versatility and low inventory levels. Effective door installation requires that the door and frame be of sufficient strength or reinforced to ensure secure anchorage of the door closer unit. A door fitted with a door closer must be hung on good quality, aligned hinges so it swings freely without bias in both directions. The closed door must be clear in the door frame and when a lock is fitted the latch bolt must engage freely within the strike. When specifying manually operated door closers the following should be considered: door size, in particular width of door; door weight; type of installation; environmental conditions; location of door; operation frequency of door; the people using the door. Door size and the pressure exerted on the surface area of the door due to wind gusts or air conditioning and the spring strength required to hold or close the door against this pressure must be considered along with the ability of the user to exert the force necessary to push or pull the door open. The location of door furniture will influence the leverage available to the person opening the door.
The Lockwood 2657 Heavy Duty Door Closer Series is suitable for use on internal and external doors and is an ideal solution for extremely heavy doors, operating on a maximum door weight of 160kg and door leaf width of 1600mm with standard arm installation.
Features
Note: Parallel arm (push side) is not available on this model.
2657 Standard Arm Closer installed on pull side of door. This mounting position permits opening of 180°.
2657 Over Door Mounting Closer installed on push side of door and top rail where conditions do not allow parallel mounting. This mounting position permits opening of 180°.
Lockwood Door Closers are non-handed, therefore final assemblies are suitable for clockwise or anticlockwise opening doors.
Back check is a standard feature on all models in this series. Back check cushions or slows the opening movement of the door prior to reaching the final open position. Back check intensity is adjustable to allow for door size, door weight and closing power. It is mandatory on all fire doors.
Floor or wall mounted door stops should be fitted to prevent possible damage to the door unit or surrounds where a door may be subject to violent opening; to stop a door from being forced past the position where the arms are fully extended; or to stop a door at a specific position to clear feature walls, glass panels, furniture, etc.
The delayed action is an independent valve and can either be adjusted as part of the closing sequence or independently adjusted for delayed action. Such doors are particularly suitable for use by the disabled, the aged and people with prams or trolleys.
When a pair of rebated doors are fitted with door closers it is essential that the doors close in their correct sequence. This closing sequence is achieved by the installation of a sequence selector.
Extruded aluminium body with hard anodised coating. Alloy steel rack and pinion mechanism operated by silicon chrome alloy steel springs and forged steel arms.
Fire Rated
Fire Test Approved on fire door assemblies up to 4 hours, in accordance with Australian Standards AS1905 Part 1 – Fire Resistant Doors 2005.
Note: Hold open option is not approved on any fire door
Finish
Silver SIL
Designed and manufactured to exacting standards. These world recognised standards ensure the highest possible quality, efficiency and reliable performance. All models (except hold-open) are tested and approved on fire doors in accordance with Australian Standard AS1905:1:2005 Fire Resistant Doorsets. New multi functional designs offer the specifier, stockist or the installer outstanding versatility and low inventory levels. Effective door installation requires that the door and frame be of sufficient strength or reinforced to ensure secure anchorage of the door closer unit. A door fitted with a door closer must be hung on good quality, aligned hinges so it swings freely without bias in both directions. The closed door must be clear in the door frame and when a lock is fitted the latch bolt must engage freely within the strike. When specifying manually operated door closers the following should be considered: door size, in particular width of door; door weight; type of installation; environmental conditions; location of door; operation frequency of door; the people using the door. Door size and the pressure exerted on the surface area of the door due to wind gusts or air conditioning and the spring strength required to hold or close the door against this pressure must be considered along with the ability of the user to exert the force necessary to push or pull the door open. The location of door furniture will influence the leverage available to the person opening the door.
The Lockwood 2657 Heavy Duty Door Closer Series is suitable for use on internal and external doors and is an ideal solution for extremely heavy doors, operating on a maximum door weight of 160kg and door leaf width of 1600mm with standard arm installation.
Features
- Power adjustable EN 5 to 7
- Adjustable back check (BC)
- Non-handed. Suitable for left or right hand doors
- Fully formed metal cover
- Die-cast aluminium body manufactured from high performance silicon alloy
- Rack and pinion design
- Regular and over-door mounting
- Separate adjusting valves for closing and latching speed
- Two pressure relief valves to protect against abuse
- Operating temperature range -35°C to +45°C
Note: Parallel arm (push side) is not available on this model.
2657 Standard Arm Closer installed on pull side of door. This mounting position permits opening of 180°.
2657 Over Door Mounting Closer installed on push side of door and top rail where conditions do not allow parallel mounting. This mounting position permits opening of 180°.
Lockwood Door Closers are non-handed, therefore final assemblies are suitable for clockwise or anticlockwise opening doors.
Back check is a standard feature on all models in this series. Back check cushions or slows the opening movement of the door prior to reaching the final open position. Back check intensity is adjustable to allow for door size, door weight and closing power. It is mandatory on all fire doors.
Floor or wall mounted door stops should be fitted to prevent possible damage to the door unit or surrounds where a door may be subject to violent opening; to stop a door from being forced past the position where the arms are fully extended; or to stop a door at a specific position to clear feature walls, glass panels, furniture, etc.
The delayed action is an independent valve and can either be adjusted as part of the closing sequence or independently adjusted for delayed action. Such doors are particularly suitable for use by the disabled, the aged and people with prams or trolleys.
When a pair of rebated doors are fitted with door closers it is essential that the doors close in their correct sequence. This closing sequence is achieved by the installation of a sequence selector.
Extruded aluminium body with hard anodised coating. Alloy steel rack and pinion mechanism operated by silicon chrome alloy steel springs and forged steel arms.
Fire Rated
Fire Test Approved on fire door assemblies up to 4 hours, in accordance with Australian Standards AS1905 Part 1 – Fire Resistant Doors 2005.
Note: Hold open option is not approved on any fire door
Finish
Silver SIL
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