For applications where door control is required without disturbing the appearance of the door, Lockwood 9800 Series Concealed Overhead Transom Door Closers are an ideal solution.
The closer fits into the transom above the door, resulting in most of the preparatory work being undertaken prior to installation, leaving minimal on-site fitting.
A fully concealed door closer provides positive door centring and door control on manually operated interior and exterior single and double action doors in schools, hospitals, clubs, factories, offices, and commercial buildings.
Features and benefits:
- Suitable for both single and double action doors
- Adjustable closing and latching speeds
- All models feature easy to install side load design
- Fully adjustable, vertically within opening and central parking positions
Materials:
-
Furniture body
High grade cast iron
-
Internal body
Heat treated high alloy steel and ball
bearings for optimum efficiency
Standards and Compliance:
Lockwood OTC series hydraulic door closers have been successfully tested on fire door assemblies in accordance with Australian Standard AS 1905 Part 1, 1997 Fire Resistant Doorsets.
Door Pivot Sets:
- Suitable for door applications when a free swing pivot door is required. Consists of retractable top pivot set with heavy duty bottom pivot and strap
- Suitable for aluminium, timber and glass doors
Specifications:
-
Back check*
Built in back check from approximately 80°
-
Dimensions
Compact body size fits into 44.5mm x 100mm header section
-
Door Type
Suitable for fire, metal, timber and glass doors
-
Door thickness
Minimum 38mm
-
Door Weight
Maximum 115kg
-
Hold-open
Mechanical hold-open at 90° and 105°
-
Closing Angles
130° to 15°
-
Latching Angles
15° to 0°
-
Opening Angle
Maximum 130°
-
Pivot Point
70mm
-
Hydraulics
Stable hydraulic oil for a wide range of climatic conditions enabling constant operation
-
Valve
Built in pressure release valve protects closer from rough use
* Maximum allowable opening angle of 90° for back-check (BC) models
| Non Hold-Open | 90° Hold-Open | 105° Hold-Open | |||
|---|---|---|---|---|---|
| Part Numbers | Description | Part Numbers | Description | Part Numbers | Description |
| 9852N | Size 2 Overhead Transom Closer Non Hold-Open | 9853N | Size 3 Overhead Transom Closer Non Hold-Open | 9854N | Size 4 Overhead Transom Closer Non Hold-Open |
| 9852H90 | Size 2 Overhead Transom Closer 90° Hold-Open | 9853H90 | Size 3 Overhead Transom Closer 90° Hold-Open | 9854H90 | Size 4 Overhead Transom Closer 90° Hold-Open |
| 9852H105 | Size 2 Overhead Transom Closer 105° Hold-Open | 9853H105 | Size 3 Overhead Transom Closer 105° Hold-Open | 9854H105 | Size 4 Overhead Transom Closer 105° Hold-Open |
