Lockwood 9800 Series Concealed Overhead Transom Door Closers provide a solution for applications where door control must be provided without disturbing the appearance of the door.
The closer fits into the transom above the door, most of the preparatory work is undertaken prior to installation, leaving minimal on site fitting.
Fully concealed door closers are designed to provide positive centering and door control on manually operated single or double action internal and external doors in schools, hospitals, clubs, factories, offices and commercial buildings.
Features of the Lockwood 9800 Series Concealed Overhead Transom Door Closer
Lockwood 9800 Series Concealed Overhead Transom Door Closers
Closing Angles | 130° to 15° |
Back check (BC) | Built in back check from approximately 80° * Maximum Opening Angle of 90° for all BC variants. |
Dimensions | Compact body size fits into 44.5mm x 100mm header section |
Doors | 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° |
Latching Angles | 15° to 0° |
Opening Angle | Maximum 130° (Back check version - 90°) |
Materials | Furniture body: high grade cast iron Internal body: heat treated high alloy steel and ball bearings for optimum efficiency |
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 |
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
Description | Part Number |
Size 3 – Overhead Transom Closer Back Check Non Hold Open (Fire Rated) | 9853BCN |
Size 4 – Overhead Transom Closer Back Check Non Hold Open (Fire Rated) | 9854BCN |
Excludes Fire Box, Coverplate (Order Separate)
* Maximum Opening Angle of 90° for all BC variants.
Fire Rated Heavy Duty Floor Pivot
Description | Part Number |
Size 2 – Overhead Transom Closer Non Hold Open | 9852N |
Size 3 – Overhead Transom Closer Non Hold Open | 9853N |
Size 4 – Overhead Transom Closer Non Hold Open | 9854N |
Size 2 – Overhead Transom Closer 90° Hold Open | 9852H90 |
Size 3 – Overhead Transom Closer 90° Hold Open | 9853H90 |
Size 4 – Overhead Transom Closer 90° Hold Open | 9854H90 |
Size 2 – Overhead Transom Closer 105° Hold Open | 9852H105 |
Size 3 – Overhead Transom Closer 105° Hold Open | 9853H105 |
Size 4 – Overhead Transom Closer 105° Hold Open | 9854H105 |
Refer to Commercial Price Book for Pivot Sets, Door Kits and Spare Parts.