Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
K-FLEX USA Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation
K-FLEX USAWeather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation

K-FLEX USA Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation

K-FLEX USA's Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation (SKU 6RSR048038, MPN 6RSR048038) is a 6 ft unslit tube with a 3/8 in ID and 1/2 in thickness, delivering an R-Value of 3.8. This black…

SKU 3G-OTH-651555

Brand
K-FLEX USA
Item
Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation
Category
Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

K-FLEX USA
Manufacturer Part Number
6RSR048038
Type
6 ft, Buna-N Rubber, Unslit, Black
ID
3/8 in
Color
Black
Thick
1/2 in
R-Value
3.8
Plenum Rating
Plenum Rated

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

K-FLEX USA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

K-FLEX USA's Weather-Resistant Jacketed Buna-N/PVC Straight Tube Insulation (SKU 6RSR048038, MPN 6RSR048038) is a 6 ft unslit tube with a 3/8 in ID and 1/2 in thickness, delivering an R-Value of 3.8. This black, plenum-rated insulation is designed for thermal efficiency in confined spaces.

Frequently Asked Questions

What is K-FLEX USA pipe insulation tube used for?

K-FLEX USA pipe insulation tube is used for thermal efficiency and condensation control on small-diameter piping in confined spaces. Its plenum-rated, weather-resistant Buna-N/PVC jacket makes it suitable for HVAC, refrigeration, and mechanical systems where fire safety and moisture resistance are required.

What are the specifications of K-FLEX USA 6RSR048038 pipe insulation?

The K-FLEX USA 6RSR048038 is a 6 ft unslit tube with 3/8 in ID and 1/2 in thickness, delivering an R-Value of 3.8. It is made of black Buna-N rubber, is plenum rated, and features a weather-resistant jacket for durability in demanding environments.

Where to buy K-FLEX USA pipe insulation worldwide?

3G Electric supplies K-FLEX USA pipe insulation worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine K-FLEX USA products to support your thermal insulation needs across any region.

How to install K-FLEX USA unslit pipe insulation?

For unslit K-FLEX USA pipe insulation, slide the tube over the pipe before connection or use a longitudinal cut with adhesive to close the seam. Ensure the surface is clean and dry. For plenum-rated installations, follow local fire codes and use compatible sealants to maintain the jacket's integrity.

K-FLEX USA Products

3G Electric supplies K-FLEX USA weather-resistant jacketed buna-n/pvc straight tube insulation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This 6 ft straight tube insulation is made of Buna-N rubber/PVC with a 4-1/2 in inner diameter and 1 in thickness. It features a slit design with adhesive and flap for easy installation around pipes. The black material is plenum rated, suitable for use in air-handling spaces. Typical applications include thermal insulation and condensation control on piping in HVAC, refrigeration, and plumbing systems
K-FLEX USA
This 6 ft straight tube insulation is made of Buna-N rubber/PVC with a 4-1/2 in inner diameter and 1 in thickness. It features a slit design with adhesive and flap for easy installation around pipes. The black material is plenum rated, suitable for use in air-handling spaces. Typical applications include thermal insulation and condensation control on piping in HVAC, refrigeration, and plumbing systems
This Buna-N/PVC straight tube insulation is designed for oil-resistant thermal and condensation control on pipes. With a 2 3/4 in inner diameter, 1 3/8 in thickness, and 6 ft length, it provides an R-Value of 8.9. The black material is plenum rated, suitable for use in air-handling spaces. Typical applications include industrial HVAC, refrigeration, and process lines requiring oil resistance
K-FLEX USA
This Buna-N/PVC straight tube insulation is designed for oil-resistant thermal and condensation control on pipes. With a 2 3/4 in inner diameter, 1 3/8 in thickness, and 6 ft length, it provides an R-Value of 8.9. The black material is plenum rated, suitable for use in air-handling spaces. Typical applications include industrial HVAC, refrigeration, and process lines requiring oil resistance
Buna-N/PVC coiled insulation with 7/8 in inner diameter and 1/4 in thickness, supplied in 1,200 ft unslit black coils. Plenum rated for use in air-handling spaces. Suitable for thermal and acoustic insulation on pipes and ducts in HVAC, refrigeration, and industrial process lines where oil resistance is required
K-FLEX USA
Buna-N/PVC coiled insulation with 7/8 in inner diameter and 1/4 in thickness, supplied in 1,200 ft unslit black coils. Plenum rated for use in air-handling spaces. Suitable for thermal and acoustic insulation on pipes and ducts in HVAC, refrigeration, and industrial process lines where oil resistance is required
This 90° elbow insulation is made of Buna-N rubber/PVC in black, with a 4-1/2 in inner diameter and 1/2 in thickness. It is unslit and plenum rated, suitable for use in air-handling spaces. Used to thermally insulate and prevent condensation on 90° pipe fittings in HVAC, refrigeration, and plumbing systems
K-FLEX USA
This 90° elbow insulation is made of Buna-N rubber/PVC in black, with a 4-1/2 in inner diameter and 1/2 in thickness. It is unslit and plenum rated, suitable for use in air-handling spaces. Used to thermally insulate and prevent condensation on 90° pipe fittings in HVAC, refrigeration, and plumbing systems
Unslit tee fitting insulation made of Buna-N rubber/PVC with 1-5/8 in inner diameter and 1/2 in thickness. Provides R-Value of 3.1 for thermal insulation on pipe tee fittings in HVAC and plumbing systems. Plenum rated for use in air-handling spaces
K-FLEX USA
Unslit tee fitting insulation made of Buna-N rubber/PVC with 1-5/8 in inner diameter and 1/2 in thickness. Provides R-Value of 3.1 for thermal insulation on pipe tee fittings in HVAC and plumbing systems. Plenum rated for use in air-handling spaces
This 1 1/2 in thick, 4 ft x 26 ft Buna-N Rubber/PVC sheet in black features a plain backing and is plenum rated. It is used for thermal and acoustic insulation in air-handling spaces, such as HVAC ducts and mechanical rooms, where oil resistance is required
K-FLEX USA
This 1 1/2 in thick, 4 ft x 26 ft Buna-N Rubber/PVC sheet in black features a plain backing and is plenum rated. It is used for thermal and acoustic insulation in air-handling spaces, such as HVAC ducts and mechanical rooms, where oil resistance is required

More from K-FLEX USA

View all K-FLEX USA parts →
Pipe Insulation Tube: Tube, 1 in Thick, 1 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 7.2 R-Value, Black (MPN 6RSR100138)
K-FLEX USA
Pipe Insulation Tube: Tube, 1 in Thick, 1 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 7.2 R-Value, Black (MPN 6RSR100138)
Pipe Insulation Tube: Tube, 1/2 in Thick, 2 1/8 in ID, 6 ft, Buna-N Rubber, Unslit, 3.2 R-Value (MPN 6RSR048218)
K-FLEX USA
Pipe Insulation Tube: Tube, 1/2 in Thick, 2 1/8 in ID, 6 ft, Buna-N Rubber, Unslit, 3.2 R-Value (MPN 6RSR048218)
Pipe Insulation Tube: Tube, 1 in Thick, 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 9.1 R-Value, Black (MPN 6RSR100038)
K-FLEX USA
Pipe Insulation Tube: Tube, 1 in Thick, 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 9.1 R-Value, Black (MPN 6RSR100038)
Pipe Insulation Tube: Tube, 3/4 in Thick, 1/2 in ID, 6 ft, Buna-N Rubber, Unslit, 5.7 R-Value, Black (MPN 6RSR068048)
K-FLEX USA
Pipe Insulation Tube: Tube, 3/4 in Thick, 1/2 in ID, 6 ft, Buna-N Rubber, Unslit, 5.7 R-Value, Black (MPN 6RSR068048)
Pipe Insulation Tube: Tube, 3/4 in Thick, 1 5/8 in ID, 6 ft, Buna-N Rubber, Unslit, 5.4 R-Value (MPN 6RSR068158)
K-FLEX USA
Pipe Insulation Tube: Tube, 3/4 in Thick, 1 5/8 in ID, 6 ft, Buna-N Rubber, Unslit, 5.4 R-Value (MPN 6RSR068158)
Pipe Insulation Tube: Tube, 1/2 in Thick, 1 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 3.4 R-Value (MPN 6RSR048138)
K-FLEX USA
Pipe Insulation Tube: Tube, 1/2 in Thick, 1 3/8 in ID, 6 ft, Buna-N Rubber, Unslit, 3.4 R-Value (MPN 6RSR048138)
Pipe Insulation Tube: Tube, 3/4 in Thick, 1/4 in ID, 6 ft, Buna-N Rubber, Unslit, 6.4 R-Value, Black (MPN 6RSR068028)
K-FLEX USA
Pipe Insulation Tube: Tube, 3/4 in Thick, 1/4 in ID, 6 ft, Buna-N Rubber, Unslit, 6.4 R-Value, Black (MPN 6RSR068028)
Pipe Insulation Tube: Tube, 1 in Thick, 2 1/8 in ID, 6 ft, Buna-N Rubber, Unslit, 6.6 R-Value, Black (MPN 6RSR100218)
K-FLEX USA
Pipe Insulation Tube: Tube, 1 in Thick, 2 1/8 in ID, 6 ft, Buna-N Rubber, Unslit, 6.6 R-Value, Black (MPN 6RSR100218)