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Ducting Size Guide
Kair 90 Degree Round Elbow Bend
- APPLICATION: The rigid 90-degree bend offers superior airflow performance to flexible ducting.
- EASE OF USE: Round ducting fittings have a male spigot and female pipe, ensuring a solid connection.
- COMPATIBILITY: Round pipe will easily connect to any round fan.
- AIRFLOW: When using long duct runs, ensure that your fan has the appropriate power to exert the required force.
- ACCESSORIES: Our 90-degree bend will push fit to a round pipe or flexible hose when used with a hose clip or tape.
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KAIR ROUND 90 DEGREE BEND
- APPLICATION: The rigid 90-degree bend offers superior airflow performance to flexible ducting.
- EASE OF USE: Round ducting fittings have a male spigot and female pipe, ensuring a solid connection.
- COMPATIBILITY: Round pipe will easily connect to any round fan.
- AIRFLOW: When using long duct runs, ensure that your fan has the appropriate power to exert the required force.
- ACCESSORIES: Our 90-degree bend will push fit to a round pipe or flexible hose when used with a hose clip or tape.
90-degree bends can be used to run your ductwork around obstacles along walls and into ceilings and offers superior performance and durability over flexible alternatives.
Kair plastic ducting is lightweight, durable and suitable for commercial and domestic use. It is perfectly suited for ducting your tumble dryer, bathroom or kitchen extractor fan, hydroponics, in-line extract fans, or a cooker hood. It can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, positive input, air conditioning, HVAC, and heat recovery systems.
- Easy to install and durable, just push-fit duct and fittings together.
- For permanent fixings, seal joints with a method of your choice (Popular options include silicone sealant, solvent cement, or tape.).
- Will join any female part of the Kair ducting range.
- Built to last out of high-quality white Polystyrene/Polypropylene plastic Material.
- Max / Min Temperature: +60c / -15c.
- Round rigid ducting provides superior airflow performance vs. comparative size rectangular or flexible duct.
- Suitable to use in compliance with Part F Building Regulations.
- Airflow performance independently tested by BSRIA or BRE.
Recommended usage
We always recommend to use as few bends as possible in your duct run to reduce any loss of pressure, this also applies when connecting smaller to larger ducting.
When supplying air through a powerful fan, ensure that the ducting is not too narrow as this could lead to an increase of air noise, damage to the fan and potential vibration.
Through the use of adapters, multiple connections to all other systems are possible.
Our system 100 is commonly used in bathrooms or to branch out from larger systems to smaller rooms.
Alternative Materials:
Here at i-sells.co.uk, we stock a large range of galvanised products including 90 degree and 45-degree bends. We recommend our ‘safe seal’ galvanised bends, which are available in a huge variety of sizes from 63mm up to 1600mm.
If your duct run passes through a particularly cold area, we would recommend considering using our pre-insulated ducting to avoid condensation building up within your ductwork. Click here to view our range of pre-insulated plastic ducting.
| Model | DUCVKC300 |
|---|---|
| QS code | QS250 |
| Barcode | 5060272541187 |
| Product type | Bend |
| Product group | Plastic Ducting |
| Round system (mm) | 100 |
| Width (mm) | 100 |
| Weight (kg) | 0.076 |
| Height (mm) | 130 |
| Length (mm) | 130 |
| Spigot szie (mm) | 99 |
| Temp max | 60 |
| Temp min | -15 |
| Material | Polystyrene |
| Pressure loss pa 15 ls | 5.6 |
| Pressure loss pa 30ls | 21.1 |
| Pressure loss pa 60 ls | 80.1 |
| Packaged height (mm) | 130 |
| Packaged length (mm) | 130 |
| Packaged width (mm) | 100 |
| Packaged weight (kg) | 0.076 |
| Model | DUCVKC350 |
|---|---|
| QS code | QS263 |
| Barcode | 5060272541590 |
| Product type | Bend |
| Product group | Plastic Ducting |
| Round system (mm) | 125 |
| Width (mm) | 124 |
| Weight (kg) | 0.134 |
| Height (mm) | 160 |
| Length (mm) | 160 |
| Spigot szie (mm) | 125 |
| Temp max | 60 |
| Temp min | -15 |
| Material | Polystyrene |
| Pressure loss pa 15 ls | 2 |
| Pressure loss pa 30ls | 8.4 |
| Pressure loss pa 60 ls | 34.9 |
| Packaged height (mm) | 160 |
| Packaged length (mm) | 160 |
| Packaged width (mm) | 124 |
| Packaged weight (kg) | 0.134 |
| Model | DUCVKC360 |
|---|---|
| QS code | QS278 |
| Barcode | 5060272542030 |
| Product type | Bend |
| Product group | Plastic Ducting |
| Round system (mm) | 150 |
| Width (mm) | 192 |
| Weight (kg) | 0.192 |
| Height (mm) | 153 |
| Length (mm) | 192 |
| Spigot szie (mm) | 149 |
| Temp max | 60 |
| Temp min | -15 |
| Material | Polystyrene |
| Pressure loss pa 15 ls | 1 |
| Pressure loss pa 30ls | 4.2 |
| Pressure loss pa 60 ls | 18.2 |
| Packaged height (mm) | 85 |
| Packaged length (mm) | 150 |
| Packaged width (mm) | 85 |
| Packaged weight (kg) | 0.191 |
33 reviews for Kair 90 Degree Round Elbow Bend
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Free Delivery Over £100
For items in stock. Excludes timed and non UK Mainland deliveries.
Cut off time 12:00 (noon)
Orders placed after midday will be shipped the following working day.
Free Delivery Over £100
For items in stock. Excludes timed and non UK Mainland deliveries.
Cut off time 12:00 (noon)
Orders placed after midday will be shipped the following working day.
DUCVKC300 Kair System 100mm Round - 90 Degree Elbow Bend - Technical Data Sheet
DUCVKC350 Kair System 125mm Round - 90 Degree Elbow Bend - Technical Data Sheet
DUCVKC360 Kair System 150mm Round - 90 Degree Elbow Bend - Technical Data Sheet
Questions and answers of the customers
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Does item QS263 feature a full bore bend - or does the bore reduce?
-
A Hi Sebastian. The 90 degree bend is 125mm both sides.If you need to reduce, you would need to use a piece of 125mm ducting and a reducer.Kind regards, Marc.
.......I need to fit a 90 deg. bend opnto spigot of Xpelair XID 150 fan which has outside diameter of 147 mm. Is this suitable?
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Q.......I need to fit a 90 deg. bend opnto spigot of Xpelair XID 150 fan which has outside diameter of 147 mm. Is this suitable?answer nowA Hello MalcolmThank you for your your question. You would require a piece of 150mm pipe as this is female or a female sleeve as both the bend and spigot on your fan are male and will not join togetherKind RegardsAnita
Can this be solvent welded? If ABS or PVC, it can. If Polyproplyene, it can not.
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A Hello AndrewThank you for your question. This item is made from Polypropylene so a duct sealant would need to be used product code QS46199 and the outside joint sealed with duct tape.Kind RegardsAnita
Hello, Was considering QS680 which is 270 mm in height to use with QS46641 to vent from top of Bosch Extractor fan out thru kitchen wall, but then saw that QS278 is only 153 mm in height. I need to consider this as I have to allow 750 mm clearance between the gas cooker and the extractor fan. As the fan installation will be quite high QS278 may prove easier to use that QS680, but Q1- is QS278 compatible with QS46641, and Q2 – will it melt, as I note that it is made of polystyrene?
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QHello, Was considering QS680 which is 270 mm in height to use with QS46641 to vent from top of Bosch Extractor fan out thru kitchen wall, but then saw that QS278 is only 153 mm in height. I need to consider this as I have to allow 750 mm clearance between the gas cooker and the extractor fan. As the fan installation will be quite high QS278 may prove easier to use that QS680, but Q1- is QS278 compatible with QS46641, and Q2 – will it melt, as I note that it is made of polystyrene?answer nowA Hello Mark Thank you for your question. The temperature rating on the plastic bend is Max / Min Temperature: +60c / -15c. if any higher than the 60c then the metal bend will do your application as the temperature rating on this item is much higher.Kind RegardsAnita
Hello, could you pls check why this item is showing as awaiting return status? All items were returned at the Sidcup store a while ago therefore should be settled. Thanks, Rajat
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QHello, could you pls check why this item is showing as awaiting return status? All items were returned at the Sidcup store a while ago therefore should be settled. Thanks, Rajatanswer nowA Hello RajatThank you for your question. This refund is being completed today sorry for the delay.Kind RegardsAnita
is this product female to female, ie will it fit directly in to a 125mm pipe.
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A Hello BrendanThank you for your question. This item is Male and will into the pipe which is Female. If I can help any further please do not hesitate to contact meKind RegardsAnita
Am installing new Bosch island chimney extractor and need to purchase 150mm 90 degree bend plus 2meter pipe. Cant figure out the best way to connect the pipe opening at the top of the extractor to the bottom of the 90 degree bend. PIPES ARE RIGID BUT CANT BELIEVE THAT YOU USE GLUE - With the heat an all plus the ability to remove for maintenance etc Any ideas?
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QAm installing new Bosch island chimney extractor and need to purchase 150mm 90 degree bend plus 2meter pipe. Cant figure out the best way to connect the pipe opening at the top of the extractor to the bottom of the 90 degree bend. PIPES ARE RIGID BUT CANT BELIEVE THAT YOU USE GLUE - With the heat an all plus the ability to remove for maintenance etc Any ideas?answer nowA Hello JoeThank you for your question. The bend will fit directly into the pipe as the bend is a male fitting and the pipe is female you will just seal your joints with duct tape. If you require any further assistance please do not hesitate to contact me on 0208 463 9683Kind RegardsAnita
Do you do a male to female 125mm bend
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A Hello Phil, I am not aware of an off-the-shelf plastic 125mm male to 125mm female 90 degree bend but you can use a cut down length of plastic pipe or a galvanised metal female sleeve connector (Part: GALMF-125) to achieve a similar result.Kind regards, Michael
Hi
Can I connect 150 mm Semi Rijid Aluminium Ducting to 150 mm Round 90 Degree Bend also can I connect a 150 Round 90 Degree Bend to 150 mm Round Plastic Ducting
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QHi Can I connect 150 mm Semi Rijid Aluminium Ducting to 150 mm Round 90 Degree Bend also can I connect a 150 Round 90 Degree Bend to 150 mm Round Plastic Ductinganswer nowA Hello Stuart Thank you for your question. Yes you can fit the semi rigid ducting to the bend and use a quick release worm clip to secure the bend to the ducting and the bend will fit into the plastic duct just seal the joint with some duct tape.
i-sells.co.uk Customer (verified owner) –
This site is very quick and had everything I was looking for Neil, Bristol
Malcolm Rigg (verified owner) –
This bend and a few adapters and a straight plastic tube enabled me to get an oven extractor connected through the wall straightforwardly. Delivery was quick and the parts just what I needed.
Jill Wood (verified owner) –
Speedy service arrived next day value for money excellent
Mark Harrison (verified owner) –
Connects together with pipe well, holds without the need to tape or glue, yet easy to push together
Paul Holford (verified owner) –
Its a 90 degree bend. Good quality, and as always the service and delivery were excellent
William Burke (verified owner) –
Very quick delivery and first class product Thank you
Pamela Craft (verified owner) –
Exactly as described
David Iszchak (verified owner) –
Tight radius for fitting in small space and good snug fit to pipe.
Tim Gibbs (verified owner) –
Easy fit,delivered on time
Graham Craven (verified owner) –
all items o k. Good service.Thanku
Mark Ellery (verified owner) –
fit perfectly with the 2m straight section of 150mm dia ducting. used to to connect up a cooker hood to the outside wall without converting to stupid square/rectangular ducting, or using naff flexible hose (bad for air flow).
Anonymous (verified owner) –
swift delivery and a great price, easy to fit to my extractor fan pipe, strong and durable
Marc Hammond (verified owner) –
Quick and reliable service. good quality product.
Keith Davies (verified owner) –
as described quality product
Frank Morrison (verified owner) –
This item did the job fine and saved kinking the flexible vent hose.
Paul Hodgson (verified owner) –
all as described very prompt thanks
David Burton (verified owner) –
Exactly as described. Perfect fit with the 100dia rigid ductwork I purchased with this product.
Max Varnom (verified owner) –
works fine
Peter Dinning (verified owner) –
Sizes are accurate. Should work well. I have not had time to fit item.
Michael Chick (verified owner) –
Excellent service, fair cost and great to deal with
Alan Bowditch (verified owner) –
Just the job
Gary Winham (verified owner) –
Does what it says on the label
Bernie Pratten (verified owner) –
Good pipe. Better quality than expected. Just the job !
Robert Dawson (verified owner) –
This was an integral part of a planned installation and fitted perfectly. The order was made and delivered with no fuss and saved lots against warehouse prices.
David Moon Moon (verified owner) –
good for the job
Colin Brotherston (verified owner) –
Very satisfied with product.
Robert Vines (verified owner) –
very satisfied product and service!
David Ball (verified owner) –
Great service as always.
Valerie Mitchell (verified owner) –
Easy to find online, and prompt delivery, thank you
Nicholas Simpson (verified owner) –
This bend has a sharp inner 90 degree angle – a design known to create airflow turbulence. I bought an alternative item (couldnt see one on i-sells) which had a full sweep bend. This although a little larger improves airflow.
Barry Blake (verified owner) –
Good prouct
Colin Young (verified owner) –
as expected good quality
Haryton Feelib (verified owner) –
Good product, Excellent company to deal with