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
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)
Code | Description |
DDA-NHO-T1-U | DDA compliant – no hold open |
510100T1-U | Light duty (size 1) – no hold open |
510200T1-U | Medium duty (size 2) – no hold open |
510300T1-U | Heavy duty (size 3) – no hold open |
510900T1-U | Variable strength – no hold open |
DDA-HO-T1-U | DDA compliant – 90o hold open |
510190T1-U | Light duty (size 1) – 90o hold open |
510290T1-U | Medium duty (size 2) – 90o hold open |
510390T1-U | Heavy duty (size 3) – 90o hold open |
510990T1-U | Variable strength – 90o hold open** – See note |
510400D-T1-U | Dummy closer |
End Loading Option (Includes 51A3 Arm, 51A4 Pivot & fixings)
Code | Description |
DDA-NHO-T2-U | DDA compliant – no hold open |
510100T2-U | Light duty (size 1) – no hold open |
510200T2-U | Medium duty (size 2) – no hold open |
510300T2-U | Heavy duty (size 3) – no hold open |
510900T2-U | Variable strength – no hold open |
DDA-HO-T2-U | DDA compliant – 90o hold open |
510190T2-U | Light duty (size 1) – 90o hold open |
510290T2-U | Medium duty (size 2) – 90o hold open |
510390T2-U | Heavy duty (size 3) – 90o hold open |
510990T2-U | Variable strength – 90o hold open** – See note |
510400DT2-U | Dummy closer |
Short Side Loading Option (Includes 51A1 Arm, 51A4 Pivot & fixings)
Code | Description |
DDA-NHO-T3-U | DDA compliant – no hold open |
510100T3-U | Light duty (size 1) – no hold open |
510200T3-U | Medium duty (size 2) – no hold open |
510300T3-U | Heavy duty (size 3) – no hold open |
510900T3-U | Variable strength – no hold open |
DDA-HO-T3-U | DDA compliant – no hold open |
510190T3-U | Light duty (size 1) – 90o hold open |
510290T3-U | Medium duty (size 2) – 90o hold open |
510390T13-U | Heavy duty (size 3) – 90o hold open |
510990T3-U | Variable strength – 90o hold open** – See note |
510400DT3-U | Dummy closer |
Accessories
Code | Description |
51A1 | Special top arm assembly – short side load |
51A2 | Side load top arm assembly |
51A3 | End load top assembly – use for round nose stiles |
51A4 | Standard bottom pivot assembly |
51A5 | ‘F’ bracket, closing jamb/header bar bracket including fixings |
51A10 | Heavy 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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