This range of “RD” Series access doors is designed to provide rapid access to smoke, fire and volume control dampers or other equipment mounted inside ductwork or associated plant. All door panels are of double skin construction completely enclosing the 25mm thick high density insulation.
300 x 300 Nominal Size for use with 270 x 270 Duct Opening Size
The “RD” Series of rectangular doors provide a number of unique advantages:
The “RD” Series of rectangular access doors have been successfully independently type tested by BSRIA for compliance to HVCA standard DW144. The products were tested to Class C with a maximum operating pressure of 2000 Pa positive and 750 Pa negative. Copies of the complete BSRIA report No 15653/4 are available free on request. “RD” doors comply fully with DW144 specification.
“RD” doors and frames are manufactured from corrosion resistant galvanised steel and fitted with steel zinc plated camlocks and hooks. Gaskets are fitted to both faces of the frame. The door panels are filled with high density insulation material.
|Nominal Size A x B||Duct Opening Size||Cam Type Doors||Hinged Doors|
|150 x 150||120 x 120||RD15||RDH15|
|200 x 125||170 x 95||RD21||RDH21|
|200 x 200||170 x 170||RD20||RDH20|
|250 x 250||220 x 220||RD25||RDH25|
|300 x 150||270 x 120||RD31||RDH31|
|300 x 200||270 x 170||RD32||RDH32|
|300 x 300||270 x 270||RD30||RDH30|
|400 x 300||370 x 270||RD44||RDH44|
|400 x 400||370 x 370||RD40||RDH40|
|450 x 300||420 x 270||RD43||RDH43|
|450 x 450||420 x 420||RD45||RDH45|
|600 x 300||570 x 270||RD63||RDH63|
|600 x 400||570 x 370||RD64||RDH64|
|600 x 450||570 x 420||RD65||RDH65|
|600 x 600||570 x 570||RD60||RDH60|
|Flat System (mm)||270 x 270|
|Product Type||Access Door|
|Manufacturer Product Code||889049|
Last Orders for delivery before Christmas
Please call us on 020 8463 9696 or place orders online by midday Thursday 20th December 2018.
Will be limited only to online queries, please allow up to 48 hours for a response.
All orders are subject to availability. Please call us on 020 8463 9696 to check availability or likely despatch date.
View full delivery dates here
SIDCUP SHOWROOM STORE (Get Directions)
Closes: 4:30pm Thirsday 20th December.
Opens: 8:00am Wednesday 2nd January 2019
|Shipping Method||Under £100*||Over £100*|
4 to 7 Days (Orders under £25 inc VAT)
4 to 7 Days (Orders over £25 inc VAT)
2 to 4 Days (Interlink or TNT)
Next Working Day Delivery+
* Usually £200+vat
+ Order before noon for Next Working Day Delivery for items in stock
Excludes Highlands, Islands, and Certain Postcodes.
Please Note: Ducting tubes over 200mm in diameter and 3 metres in length may incur additional shipping charges.
See the full delivery information here: Full delivery information
Your question will be sent to a member of our team. We'll email you the answer and post it on this page. If your question is about an order you already placed, please use our Contact Form to reach the customer service team.
|Ducting System||Actual dimensions (mm)||Space requirements (mm)||Airflow mm²|
For 4" (100mm) extractor fans or for low power cooker hoods up to 250m³/hour
|System 100 - Round||100||106||7,854|
|System 100 - Rectangular||110 x 54||116 x 60||5,940|
For medium extraction rates or if available depth is limited up to 500m³/hour
|System 125 - Round||125||131||12,272|
|System 125 - Rectangular||150 x 70||156 x 76||10,500|
For 6" (150mm) extractor fans or for high power cooker hoods up to 500m³/hour & above
|Megaduct 220 - Rectangular||220 x 90||227 x 97||17,968|
|System 204 - Rectangular||204 x 60||210 x 66||12,240|
|System 150 - Round||150||156||17,671|
|System 150 - Rectangular||180 x 90||186 x 96||16,200|
For a shallow space, such as ceiling voids or under floor, where high extraction rates are not needed:
|System 300 - Rectangular||308 x 29||314 x 35||8,932|
|System 225 - Rectangular||234 x 29||240 x 35||6,786|
| System 100 |
| System 125|
| System 150|
|System 204||System 225|
|System 220||System 300|
|Actual Dimensions (mm) Space Requirements (mm)|