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EVERYTHING FOR PLANES AND PILOTS SINCE 1965 | 877-4-SPRUCE
Home / Airframe Parts / Ducting /Vena Ht (SCAT Equivalent) Flexible Aircraft Ducting - Cut To Length
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Vena Ht (SCAT Equivalent) Flexible Aircraft Ducting - Cut To Length

75 Reviews 8 Answered Questions
From $4.80 to $18.80
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Description ID PN Dash No. Price / Ft Length Quantity
Ducting Vena HT5/805-29901-2A$8.90
Quantity
Ducting Vena HT3/405-29902-3$5.75
Quantity
Ducting Vena HT7/805-29903-3A$4.80
Quantity
Ducting Vena HT105-29904-4$5.70
Quantity
Ducting Vena HT1-1/405-29905-5$7.70
Quantity
Ducting Vena HT1-1/205-29906-6$6.99
Quantity
Ducting Vena HT1-3/405-29907-7$8.50
Quantity
Ducting Vena HT205-29908-8$8.90
Quantity
Ducting Vena HT2-1/405-29909-9$10.50
Quantity
Ducting Vena HT2-1/205-29910-10$11.50
Quantity
Ducting Vena HT2-3/405-29911-11$8.80
Quantity
Ducting Vena HT305-29912-12$11.99
Quantity
Ducting Vena HT3-1/405-29913-13$12.55
Quantity
Ducting Vena HT3-1/205-29914-14$14.90
Quantity
Ducting Vena HT3-3/405-29915-15$14.99
Quantity
Ducting Vena HT405-29916-16$14.99
Quantity
Ducting Vena HT4-1/205-29918-18$17.50
Quantity
Ducting Vena HT505-29920-20$18.80
Quantity
Ducting Vena HT605-29924-24$15.99
Quantity
Subtotal $0.00
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Overview

Sold by the foot.


The flexible hose Vena® HT has excellent flexibility and excellent aging resistance.

Applications


These kind of flexible hoses are specially recommended in gas conductions at high temperatures, engine exhaust fume extraction from a point immediately close to the ejection area, electronic units cooling and welding gas aspiration.
  • Hot air extraction in ceramic kilns.
  • Airplane or helicopter cockpit heating.
  • Ventilation and air-conditioning in boats.
  • Protection of electric cables passing through extremely hot areas.
  • Sheathing of pipework transporting hot air.

Construction


This product is manufactured with one fiber glass reinforcement with high temperature resistance silicone rubber. The inner part is coated with visible steel wire.

Temperature


Operational temperature range from -55ºC (-67ºF) to +260ºC (+500ºF). It may reach up to 300ºC (+572ºF) during short periods of time.

Certifications

  • The fiber glass covered with silicone rubber doesn’t contain heavy metals or any fireproof substance.
  • The fiber glass covered with silicone rubber in compliance to EU Directive 2002/95/ECC of restriction of the use of certain hazardous substances (RoHS)
  • FAR/CS 25.853 Appendix F, Part I (a)(1)(ii)&(iv)"Vertical & Horizontal flammability test"
  • AIRBUS DIRECTIVE ABD0031 and AITM 2.0007 B "Optical density test"
  • AIRBUS DIRECTIVE ABD0031 and AITM 3.0005 "Smoke and toxicity test"

Available Sizes


Stock diameter listed in ordering grid. Diameters not listed are available as a special order in full lengths only. Full factory lengths are up to 13 ft. Varies by warehouse. For lengths over 13 ft, contact sales to confirm availability.

Tech Data

  • Tech Data Sheet (PDF)
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Reviews

Submit a Review

Quick service and excellent product.

Bill
April 15, 2021

SCAT Tubing - As always, ACS delivers promptly to my doorstep!

D.kirby
March 24, 2021

What on earth is there to review? It is a two foot length of tubing shipped as I ordered it.

Bill S
February 15, 2021

It work perfectly

Michael D
January 14, 2021

It works well for the diesel heater on my boat.

Eric
December 22, 2020

using it for an exhaust extension for my generator and it seems to work great. Well see how long it lasts...

Samuel H
December 21, 2020

I give this product five stars for form fit and function. The coiled wire that gives the tube its structure is embedded in the wall of the material, not just free-floating in the ID of the tube. Great product so far.

Darren G
December 16, 2020

got it the next day, thanks.

Douglas L
September 24, 2020

I have not installed the ducting as yet. The ducting looks like a perfect replacement for the worn original.

Paul G
September 17, 2020

Excellent fit good service

Clay C
September 7, 2020

Great quality product, shipped out the day after I placed the order. I was in need of flexible air duct tubing, not for an aircraft but a 50 yr old vintage car I was working on. The only place I could find the correct size I needed was through Aircraft Spruce Co. They had so many size choices in 1/4 inch increments I was amazed.

Stephen H
August 26, 2020

Good quality thanks

Craig M
August 17, 2020

ok

Enterprise A
August 14, 2020

shipped promptly, undamaged, easy ordering. Thank you.

Delbert D
August 10, 2020

This time I used the 2ID -8 ducting. I purchased a nominal 3 ft length (quantity 1) to run from the heat muff to the defroster inlet of my Musketeer. As I said in my 2018 review, while the ducting is single layer, the interior wire is embedded in the red stuff rather than just sitting on the interior surface as with the older materials. As such the wire is covered in the red material and does not tend to rust as in the past nor does the wire try to escape the interior. One can still dislodge the wire without ripping the material when prepping the ends for attachment purposes.

Bruce B
July 31, 2020

Product arrived ahead of time and was exactly what was ordered. Very happy with the service.

Stephen K
July 27, 2020

Seemed to me way better quality than the hoses that came in the kit of my home built, flexes very well.

Pete
July 10, 2020

Perfect fit in my 1983 Porsche 911 back dated heating system duct work. Great color too!

James A
July 7, 2020

Nice product

Borden D
June 24, 2020

Very nice ducting. Works well

Gregory L
June 12, 2020

Very pleased, the size I needed was in stock and arrived promptly.

Gary
May 31, 2020

Perfect

George
May 28, 2020

Good quality hose worked as advertised.

James S
May 10, 2020

Great high temp product. Used on my custom build Porsche 911 for heat exchanger ducting.

Jeff A
May 7, 2020

Processed and sent in a timely manner with the scat tubing packed so there was no damaged.

Valerie W
April 27, 2020

Excellent product. I am using it to replace the heater ducting on a 1987 Porsche. It is very high quality ducting, and easy to work with. An added benefit is that it comes with a clear plastic outer covering which protects and keeps the duct clean during installation... then the clear plastic can simply be removed. I also give top rating to the service and quick delivery from Aircraft Spruce. Thanks!

Robert
April 6, 2020

Good ducting for running from the baffling to the muffler on my C185

Gildermaster M
March 20, 2020

FAA quality! Fast shipping!

Steve D
February 10, 2020

for replacement of frayed part should work fine

Jay L
January 27, 2020

Quality material. The cut to length option makes it affordable for the owner of a single plane and it sure makes the engine compartment look nice when you have new scat tubing in there.

Thad B
January 11, 2020

Quick service and shipping.

Tim
December 16, 2019

Delivery was timely, the quality of ducting is very good installation was easy due to cut to size.

Gary B
November 14, 2019

Fits perfectly. Thank you

William W
October 12, 2019

Looks good but I ordered the wrong size so sent it back. Credited already. Thank you. New 3 inch variety already installed and perfect .

Gary
October 10, 2019

Soft and flexible. Ducting like it should.

Rudolf J
September 24, 2019

shipment was process immediately and received promptly! We only paid for UPS Ground however it was here the next day.. Great service!

Charlene B
June 14, 2019

D
March 17, 2019

I have had nothing but excellent service from Aircraft Spruce.

Paul L
February 15, 2019

We get good quality parts from Aircraft Spruce every time.

Warren P
February 11, 2019

Excellent Product Replaced my Ferrari brake ducts with this upgraded duct, higher spec material then OEM

Ron
February 9, 2019

Perfect for my aircraft preheater. Easy to order the correct size and length. Good quality and quick shipment.

Andy M
February 1, 2019

Installed as a replacement for my avionics stack cooling. Performed as expected ... shipping was quick. Satisfied with my purchase.

Lou V
January 26, 2019

Very High Quality.

Guy F
December 25, 2018

A factory stick is 13 feet long and it is good that I did not try to save money and order less. I only had about six inches left over. I figured I needed about 11 ft as that is what I took out but routed the new SCAT a bit differently and less tight so ... I used the -5 one and a quarter inch size for the vent ducting re my Musketeer. Per a previous review, the steel wire is somehow internally covered as well and hence does not spring out at the end - much nicer than previous material I have used.

Bruce B
October 25, 2018

Shipping was incredibly fast! Product was exactly what I needed.

Heidi W
September 17, 2018

It has ben many years since I did business you guys. The service has not changes in all of these years. Great! When I needed this scat hose for the defroster on my 1938 Packard I saw Aircraft Spruce on the web and I knew exactly where to go. Keep up the good work.

Charles T
September 14, 2018

Exactly what I ordered and needed. Great quality and fast shipping

Michael D
June 21, 2018

Dennis P
April 29, 2018

Fit was great.

Carrizozo A
March 31, 2018

Packed great. Thick material.

Solarmike
November 12, 2017

Mel
November 3, 2017

Very easy to work with and flexible tubing for my hot air!

Daniel M
October 12, 2017

I used this for a high-performance car application, and it worked like a peach! I am thrilled with the result and the product itself - excellent!

Chris
October 6, 2017

This is an excellent product. Replacing heater hose on a vintage Porsche .Oem material on car was nowhere near the same quality

Norm S
September 28, 2017

Great service... professional assistance.. THANKS !!!! Keith Arnold

Keith
September 14, 2017

Good quality. Arrived quickly.

Noel O
September 8, 2017

excellent

Jerome H
August 13, 2017

Scat came cut to length with the rest of my order looks great thanks as always

John A
April 7, 2017

Great product, came in good shape. Recommend.

Stephen B
April 6, 2017

great product. thanks

David B
February 27, 2017

Good product consistent quality

Nathan
February 20, 2017

The duct was satisfactory. Only minor complaint is that it was flattened in one spot when I received it.

Ladell B
April 27, 2021

B.O. was not very timely , everything was OK once received.

David R
March 29, 2021

As ordered delivered as promised.

Michael K
February 15, 2021

Thanks: Arrived intact, packaged well via USPS. However, I added a note to cut the two feet into three eight inch pieces. I received one piece 27 inches long and had to cut an eight inch piece. Therell be three inches wasted.

Joseph C
June 8, 2018

Used it for my 66 Mustang II rack and pinion frontend conversion disc brake cooling. Have the inlet behind the headlights into ABS tubing then clamp the flex duct to the ABS and snake SCAT ducting through the upper wish bone to the disc brake duct bracket and used another stainless steel worm clamp. The duct punctures too easy with a sharp object so I had to use chafe guards where it rubs against anything. Flexes very well steering L/R stop to stop. Ill take brake temp. readings to see if it is working.

Glenn
May 10, 2018

Great to deal with quick delivery arrived packaged well, The only negative is the freight cost. Knowing its not in Aircraft Spruces control.

G J
January 12, 2018

good quality. this duct has the metal embedded on the inside and outside with silicon which is nice because the metal wire inside does not shift. A very nice improvement over the older stuff. Not sure why there is white twine on the outside of the duct. That does not stay in place very well. But overall very satisfied.

Scott B
May 30, 2017

Product received just as ordered after a lengthy backorder delay.

J. T
April 13, 2017

This tubings thread wrap is very loose. The scat I replaced had that thread glued down. Other than that, it is fine.

Travis D
May 11, 2020

What can I say. Its tubing. I needed it to replace old tubing for the oil/air seprator. The problem was it was on back order for months. I probably should have cancelled the order and contacted another supplier that had it in stock. That is the only problems I have ever had with Spruce is the backorders take forever.

4bh
June 16, 2019

Ducting arrived after a somewhat slow shipping process (UPS Ground). The material is rather thin and tears easily, so I would not purchase this again. Im still looking for a compatible tape to reinforce the ends.

C.d. S
March 19, 2021

Duct appears to be of good quality, However the description of this isnt correct. The description states that the wire on the inside is visible. It is not visible but rather the wire is coated with the rubber material. This prevents me from pulling some wire out and cut it so that it makes an end without wire that can be clamped to the flange end on the vent.

Dale T
March 20, 2020

This is not SCAT equivalent. The reinforcement string is not bonded in place as with real SCAT tubing, so when you cut the tube to length the string immediately unravels and begins to unwind from the tube. Also, the wire coil spacing is larger than real SCAT tubing. I do not recommend this stuff for aircraft.

Scott S
August 12, 2020

Was damage in shipment because was packed in same box as oil. Cases of oil crushed some of this hose. Cannot believe the gasket was not damaged . Poor judgement by whoever is packing boxes

Caldwell A
April 25, 2020
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Q&A

Submit

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: I need to order part number 05-29906 SCAT ducting. Do I buy 4 units if I want 4 feet?

Yes, this is priced and sold by the foot, so quantity 4 would order 4 feet.

Q: Does the PN 05-29908 with ID 2 mean it has 2 inches of diameter? Thanks!

Correct, that part number has a 2 inch internal diameter.

Q: Is there a shelf life for Scat and Sceet?

It is a 20 year shelf life for both Scat and Sceet.

Q: What is the O.D. if the I.D. is 3 inches?

3" plus twice the wall thickness 0.098, around 3.20"

Q: Is the length of the tubing the installed length?

We get them in 13 foot lengths but we sell it per foot. It is cut to desired lengths. Inner wire can be trimmed for final installation, if required.

Q: What is the O.D. of the 1-1/2 I.D. Duct and the High Temp Clamps required?

The OD is just over 1-1/2, the wall is thin. We recommend a QS200-20 clamp.

Q: What is the difference between Scat and Sceet? I need duct for high temp heat exhanger on a vehicle.

SCAT - SCAT type ducting has the same type construction as CAT except with red silicone rubber impregnation. For use in conducting extremely cold or hot air with temperatures from -65° to over 550°F. Not recommended for negative pressure applications.

SCEET - SCEET type ducting has two plies of silicone rubber-impregnated fiberglass, similar to SCAT except wire between plies. Ideal for use in conducting extremely cold or hot air at temperatures from -80° to over 550°F, and for conveying fumes. Not recommended for handling liquids or highly abrasive materials, or for negative pressure applications.

Q: Do you sell, or offer any recommendations, scat or sceet crushed down to a flat oval as found in many Cessna Skyhawk cabin heat ducting?

No, we do not offer the ducting pre-crushed. When we ship it is round.

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