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AOV Smoke Vent [Central Actuator]

AOV Smoke Vent [Central Actuator]

  • £1,305.90 (ex. VAT)
Item in Stock   |   Free Next Working Day Delivery (Mon-Fri)
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Want it by Wednesday 13th December? Order within 13 hours, 58 minutes and choose FREE Delivery to most of UK (Mon-Fri) at checkout.
FREE DELIVERY to most of UK See above for delivery estimate

Automatic Opening Vent (AOV) Smoke Vent with central actuator

AOV Smoke Vent comprising PVC kerb with a polycarbonate dome. Our AOV smoke vents are designed to automatically extract smoke in the event of a fire. Typically sited on flat roofs above corridoors and stairwells the vents open to an angle of 140 degrees in less than 60 seconds. The range is fully tested and certified in accordance with BS EN 12101-2. Covering standards for safety, security, non-fragility and fire safety with the full guarantee of an established, accredited UK manufacturer.
Fully certified to approved document B.

Kerb options to suit your own upstand or fitting directly onto your roof deck

100mm DF (Direct Fix) kerb - fits to an existing upstand

365mm PVC kerb for fitting directly on the flat roof
100mm DF kerb 365mm PVC Kerb
See "How to measure DF Kerb version" for details of sizes, daylight sizes and the Aerodynamic free area with and without wind deflectors. See "How to measure 365mm Kerb version" for details of sizes, daylight sizes and the Aerodynamic free area with and without wind deflectors.

Wind deflector options

100mm DF (Direct Fix) kerb - with wind deflectors

365mm PVC kerb - with wind deflectors
100mm DF kerb 365mm PVC Kerb
Wind deflectors manipulate the air flow over and around the AOV, helping increase the aerodynamic free area (AA) of the AOV. In all cases the wind deflectors increase the Aerodynamic Free Area, meaning a smaller AOV with wind deflectors can match or out perform a bigger AOV without. This is particularly useful when needing to achieve an Aerodynamic Free Area of more than 0.70 Aa m2 in a stairwell as per the requirement of EN 12101-2. Please see the table further down the listing for more information.

How to measure - 365mm PVC Kerb version

How to measure

Aerodynamic free area - AOV Smoke Vents with 365mm PVC Kerb(Aa)Aa
Smoke Vent Size (Note: Rectangular Sizes are Hinged on the Long Side) Daylight free area size* Roof opening area (m2) Standard (no Wind deflectors) With Wind deflectors Free Area (m2)
Cv Aa m2 Cv Aa m2
1050 x 1050mm 900 x 900mm 1.10 0.44 0.49* 0.62 0.68* 0.72
1200 x 1050mm 1050 x 900mm 1.26 0.42 0.53* 0.63 0.79 0.88
1200 x 1200mm 1050 x 1050mm 1.44 0.44 0.63* 0.62 0.90 1.01
1350 x 1050mm 1200 x 900mm 1.42 0.40 0.57* 0.64 0.90 0.99
1350 x 1200mm 1200 x 1050mm 1.62 0.42 0.68* 0.63 1.02 1.16
1350 x 1350mm 1200 x 1200mm 1.82 0.43 0.78 0.63 1.14 1.34
1500 x 1050mm 1350 x 900mm 1.58 0.39 0.61* 0.64 1.01 1.12
1500 x 1200mm 1350 x 1050mm 1.80 0.40 0.72 0.64 1.15 1.32
1500 x 1350mm 1350 x 1200mm 2.03 0.41 0.83 0.64 1.29 1.52
1500 x 1500mm 1350 x 1350mm 2.25 0.42 0.95 0.63 1.42 1.72
1650 x 1050mm 1500 x 900mm 1.73 0.37 0.64* 0.65 1.13 1.26
1650 x 1200mm 1500 x 1050mm 1.98 0.38 0.75 0.65 1.28 1.48
1650 x 1350mm 1500 x 1200mm 2.23 0.39 0.87 0.64 1.43 1.70
1650 x 1500mm 1500 x 1350mm 2.48 0.37 0.92 0.64 1.58 1.92
1650 x 1650mm 1500 x 1500mm 2.72 0.42 1.14 0.64 1.73 2.14
1800 x 1050mm 1650 x 900mm 1.89 0.35

0.66

 0.66 1.25 1.39
1800 x 1200mm 1650 x 1050mm 2.16 0.36 0.78 0.66 1.42 1.64
1800 x 1350mm 1650 x 1200mm 2.43 0.37 0.91 0.65 1.58 1.88
1800 x 1500mm 1650 x 1350mm 2.70 0.39 1.04 0.65 1.75 2.12
1800 x 1650mm 1650 x 1650mm 2.97 0.40 1.18 0.64 1.91 2.37
1800 x 1800mm 1650 x 1650mm 3.24 0.41 1.33 0.64 2.07 2.61

 

Free Area explanation for AOV Smoke Vent with PVC kerb

The size of the vent (at the smallest point) minus the area of any obstructions such as motors, ladders or grilles – how well air travels through a vent for natural ventilation:

Image showing how the free area of an AOV is measured
Coefficient of Discharge (Cv) – a value to quantify the efficiency of a smoke vent. This is calculated by a third party.

Aerodynamic Free Area

The Smoke vent size a multiplied by the Coefficient of Discharge – overall performance of the vent. This is the most important, as it is the most accurate way to quantify the performance of the smoke vent. It is used in EN12101-2, BSI & UKCA certification and also stated on NBS specs.


How to measure DF Kerb version


How to measure

Aerodynamic free area - AOV Smoke Vents with DF Kerb(Aa)Aa
Smoke Vent Size (Note: Rectangular Sizes are Hinged on the Long Side) Daylight free area* Size Roof opening area (m2) Standard (no Wind deflectors) With Wind deflectors Free Area (m2)
Cv Aa m2 Cv Aa m2
1050 x 1050mm 900 x 900mm 0.81 0.48 0.39* 0.61 0.49* 0.72
1200 x 1050mm 1050 x 900mm 0.95 0.46 0.43* 0.61 0.58* 0.88
1200 x 1200mm 1050 x 1050mm 1.10 0.47 0.52* 0.61 0.67* 1.01
1350 x 1050mm 1200 x 900mm 1.08 0.44 0.48* 0.61 0.66* 0.99
1350 x 1200mm 1200 x 1050mm 1.26 0.45 0.57* 0.61 0.77 1.16
1350 x 1350mm 1200 x 1200mm 1.44 0.40 0.67* 0.61 0.88 1.34
1500 x 1050mm 1350 x 900mm 1.22 0.42 0.51* 0.61 0.74 1.12
1500 x 1200mm 1350 x 1050mm 1.42 0.43 0.61 0.61 0.86 1.32
1500 x 1350mm 1350 x 1200mm 1.62 0.44 0.72 0.61 0.99 1.52
1500 x 1500mm 1350 x 1350mm 1.82 0.45 0.83 0.60 1.09 1.72
1650 x 1050mm 1500 x 900mm 1.35 0.40 0.54* 0.61 0.82 1.26
1650 x 1200mm 1500 x 1050mm 1.58 0.41 0.65* 0.61 0.96 1.48
1650 x 1350mm 1500 x 1200mm 1.80 0.42 0.76 0.61 1.10 1.70
1650 x 1500mm 1500 x 1350mm 2.03 0.38 0.76 0.60 1.22 1.92
1650 x 1650mm 1500 x 1500mm 2.25 0.44 0.99 0.60 1.35 2.14
1800 x 1050mm 1650 x 900mm 1.49 0.38

0.56

 0.61 0.91 1.39
1800 x 1200mm 1650 x 1050mm 1.73 0.39 0.68* 0.61 1.06 1.64
1800 x 1350mm 1650 x 1200mm 1.98 0.40 0.79 0.61 1.21 1.88
1800 x 1500mm 1650 x 1350mm 2.23 0.41 0.91 0.60 1.34 2.12
1800 x 1650mm 1650 x 1650mm 2.48 0.42 1.04 0.60 1.49 2.37
1800 x 1800mm 1650 x 1650mm 2.72 0.43 1.17 0.60 1.63 2.61

* Not suitable for Stairwell use because does not achieve an Aerodynamic Free Area of more than 0.70 Aa m2 in a stairwell as per the requirement of EN 12101-2, not the grey area "free vent area" that is often quoted.

Free Area explanation for AOV Smoke Vent with DF Kerb (being fitted to existing upstand)

The size of the vent (at the smallest point) minus the area of any obstructions such as motors, ladders or grilles – how well air travels through a vent for natural ventilation:

Image showing how the free area of an AOV is measured
Coefficient of Discharge (Cv) – a value to quantify the efficiency of a smoke vent. This is calculated by a third party.

Aerodynamic Free Area

The Smoke vent size less 150mm on each dimension, multiplied by the Coefficient of Discharge – overall performance of the vent. This is the most important, as it is the most accurate way to quantify the performance of the smoke vent. It is used in EN12101-2, BSI & UKCA certification and also stated on NBS specs.

Abbreviations: Aa = Aerodynamic Free Area, Cv = Coefficient flow Mardome Trade Electronically Operated Smoke Vent Rooflights are individual polycarbonate domes intended for easy installation on flat roofs of all modern building types to provide natural smoke and heat exhaust, as well as comfort ventilation.

Certification and Regulatory Information

  • Fire rating - achieves Class B-s1, d0 to BS EN 13501:Part 1 and deemed BROOF(t4) to BS EN 13501: Part 5 by Building Regulation
  • 72 hour battery back up in the event of power cut
  • Inclusive of wind deflectors where applicable to comply with the regs
  • Complete with a Part ""L"" compliant polycarbonate triple skin for a high thermal performance & resistance to condensation
  • Safety - achieving Class B non fragility to ACR[M]001
  • The polycarbonate skin lid with an impact resistance to EN1873 1200 joules and Class B non-fragility in accordance with ACR[M]001
  • Opens to 140° in less than 60 seconds complying  the requirements of the new Smoke Vent Standard BS EN12101-2

 

Thermal and Acoustic data

Glazing U-Value DF Kerb U-Value 365mm PVC Kerb

Acoustic Airborne Sound Index
 Double  2.0 - 2.4W/m²K  1.6 - 2.1 W/m²K 20dB
 Triple  1.5 - 1.7 W/m²K  1.2 - 1.5 W/m²K 22dB

General Information

  • Suitable for residential and commercial buildings
  • Thermally broken kerb (PVC) with Polycarbonate dome
  • Extremely secure with concealed individual fixings within security caps
  • Hinged long side (where applicable)
  • 10 year guarantee
  • CE Marked
  • Weatherproofed to the full height of the upstand
  • Designed to last in excess of 20 years under normal conditions


Operation and Options

    • Optional control panels, smoke detectors, fireman’s switches and manual control points available
    • Control panel can be activated from: Manual override switches, by dedicated smoke detectors or through integration with existing smoke detection and or fire alarm systems
    • Can be integrated into any building management system
    • Features back up battery to ensure operation in the event of no mains power

Control Panel

It is recommended that Mardome Smoke Vents are connected to the Smoke Vent control panel available from us. The control panel is designed to be used with the actuator of the Mardome Smoke Vent and provides a battery backup and additional line monitoring functionality. A Mardome Smoke Vent can be installed alongside other EN12101-10 compliant control systems but we cannot provide technical support concerning the control of the product and do not keep a list of compatible control systems. Installing with an alternative EN12101-10 control system will not affect the guarantee of the product. View control panel information here.

 

 

Specification Documents
Technical Drawing Click to View / Download Technical Drawing
Datasheet Click to View / Download Datasheet
Installation Guide Click to View / Download Installation Guide
Wiring diagram Click to view / Download Wiring Diagram
Safety, Handling and Maintenance Data Click to View / Download COSHH and Maintenance Data
10 Year Guarantee Click to View / Download Guarantee
AOV Smoke Vent DWG File Click to view / Download AOV Smoke Vent DWG File

UK Delivery Zones

The lead times and delivery service are displayed against each product, just below the price.
We will continue to send items on a Next working day delivery, but please accept delivery might take longer, this is out of our control.

Please note, for certain products and delivery zones we can offer AM deliveries and Saturday Deliveries, if available, you'll be able to select and pay for these options via the checkout.

Delivery Charges will be applied for deliveries to geographical  areas represented as Zones C and D:
This includes certain parts of Scotland, Scottish Islands, Northern Ireland, Channel Islands and IOM)

We only supply to Trade Account Customers in Zone E

Cancellations:- Any stock item which is cancelled after having been dispatched, but before you have received it will be subject to a minimum fee of £25.00 + VAT for parcels and a minimum of £70 + VAT for pallets. Bespoke (made to measure) orders cannot be cancelled once ordered.

Returns:
You can return a standard product (most access panels, loft hatches, accessories and Steel / Aluminium Roof Hatches) within 14 days of receipt. Roof domes, Roof Lights, Glazed Roof Hatches and AOV Smoke Vents will be subject to a collection restocking fee.
Please note Made to measure products cannot be returned.
Click here to download a return form.

 

 

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