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Adjustable Concealed Door Closer (Transom Overhead)

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The concealed overhead transom door closer is designed to be concealed within the transom header bar of the door. It provides controlled closing of a single or double action aluminium door or doors. Features built into the concealed door closer include dual closing speed to allow flexibility in closing; three levels of spring strengths and 90o hold open facility. 

Features Include
  • Dual Closing Speed
  • Adjustable spring strength 
  • Retrofit Replacement Items Available 
  • 3 Year Guarantee

Image of Transom closer variable strength product
Image of Concealed Door Closer (Transom Overhead) fittings
Image of Concealed Door Closer (Transom Overhead) fittings
Image of Concealed Door Closer (Transom Overhead) fittings
Image of Concealed Door Closer (Transom Overhead) diagram

The closer comes complete with its own fixing pack , 51A4 standard pivot and comprehensive fixing instructions. Various arms and spindle lengths are available on request.

Dimensions
293mm x 90mm

Concealed Thickness
37mm

Standard Spindle Length
12mm
Also available in 17, 22 and 28mm

Maximum Door Width
Light spring – under 750mm (size 1)
Medium spring – 751mm to 950mm (size 2)
Heavy spring – 951mm to 1150mm (size 3)

Maximum Door Weight
100kg – standard pivot
120kg – heavy duty pivot

Maximum Door Height
2540mm

Closing Speed Dual
Initial closing speed is factory preset.
Final closing speed is full adjustable after installation.

Lubrication
Stable hydraulic fluid suitable for most climatic conditions and constant lubrication

Function
Built in positive back stop and optional 90˚ hold open position

Adjustable spring strength 

Variable Power
Enables the closer to suit each opening, meaning the door closes correctly while keeping the opening force down to a minimum.

Side Loading Option (includes 51A2 Arm, 51A4 Pivot & fixings)

CodeDescription
DDA-NHO-T1-UDDA compliant – no hold open
510100T1-ULight duty (size 1) – no hold open
510200T1-UMedium duty (size 2) – no hold open
510300T1-UHeavy duty (size 3) – no hold open
510900T1-UVariable strength – no hold open
DDA-HO-T1-UDDA compliant – 90o hold open
510190T1-ULight duty (size 1) – 90o hold open
510290T1-UMedium duty (size 2) – 90o hold open
510390T1-UHeavy duty (size 3) – 90o hold open
510990T1-U Variable strength – 90o hold open** – See note
510400D-T1-UDummy closer

End Loading Option (Includes 51A3 Arm, 51A4 Pivot & fixings)

CodeDescription
DDA-NHO-T2-UDDA compliant – no hold open
510100T2-ULight duty (size 1) – no hold open
510200T2-UMedium duty (size 2) – no hold open
510300T2-UHeavy duty (size 3) – no hold open
510900T2-UVariable strength – no hold open
DDA-HO-T2-UDDA compliant – 90o hold open
510190T2-ULight duty (size 1) – 90o hold open
510290T2-UMedium duty (size 2) – 90o hold open
510390T2-UHeavy duty (size 3) – 90o hold open
510990T2-UVariable strength – 90o hold open** – See note
510400DT2-UDummy closer

Short Side Loading Option (Includes 51A1 Arm, 51A4 Pivot & fixings)

CodeDescription
DDA-NHO-T3-UDDA compliant – no hold open
510100T3-ULight duty (size 1) – no hold open
510200T3-UMedium duty (size 2) – no hold open
510300T3-UHeavy duty (size 3) – no hold open
510900T3-UVariable strength – no hold open
DDA-HO-T3-UDDA compliant – no hold open
510190T3-ULight duty (size 1) – 90o hold open
510290T3-UMedium duty (size 2) – 90o hold open
510390T13-UHeavy duty (size 3) – 90o hold open
510990T3-UVariable strength – 90o hold open** – See note
510400DT3-UDummy closer

Accessories

CodeDescription
51A1Special top arm assembly – short side load
51A2Side load top arm assembly
51A3End load top assembly – use for round nose stiles
51A4Standard bottom pivot assembly
51A5‘F’ bracket, closing jamb/header bar bracket including fixings
51A10Heavy duty bottom pivot assembly – maximum weight 120kg
FIX-DUMMY     ‘F’ bracket kit standard
ALPBADGE Alpro name badge

Notes

–  **Variable: If replacing a standard closer with variable strength the bracket highlighted in blue on the Closer Preparation Details diagram will need to be changed.
This is supplied with the variable strength closer.

–    Trade pack quantity for all closer types is 4
–    For 17mm extended spindle change code to X-U i.e. 510190T1X-U
–    For 22mm extended spindle change code to X-U-22 i.e. 510190T1X-U-22
–    For 28mm extended spindle change code to X-U-28 i.e. 510190T1X-U-28

FAQs

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