You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

Lockwood Door Closers: 9800 Series Concealed Overhead Transom Door Closers

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 centring and door control on manually operated single or double action internal and external doors in schools, hospitals, clubs, factories, offices and commercial buildings.

Key Features
  • Back Check (BC): Built in back check from approximately 80°
  • Closing angles: 130° to 15°
  • 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°
  • Materials: Furniture body: high grade cast iron
  • Internal body: heat treated high alloy steel and ball bearings for optimum efficiency
  • 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
Door Closers
Door Closers
Scope of Use
  • Suitable for fire, metal, timber and glass doors
  • Door thickness: Minimum 38mm
  • Door weight: Maximum 115kg
Other Performance Attributes

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.

Additional Information

ASSA ABLOY specialise in door opening solutions, dedicated to satisfying end-user needs for security, safety and convenience.

Product Enquiries

News from ASSA ABLOY

The Air Above: Breathe Easy with Yale Aeron Window Actuators
Lockwood Pull Handles Now Available in Full Powder-Coated Colour Range NEW
Elevate Home Designs with the Lockwood Vivid Collection NEW
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.