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

K-FLEX USA Halogen-Free Buna-N Straight Tube Insulation
K-FLEX USAHalogen-Free Buna-N Straight Tube Insulation

K-FLEX USA Halogen-Free Buna-N Straight Tube Insulation

The K-FLEX USA Pipe Insulation Tube (SKU 6RHFN048318, MPN 6RHFN048318) is a 6 ft, unslit Buna-N rubber tube with a 3 1/8 in ID and 1/2 in thickness, offering an R-Value of 1.4. This halogen-free, green insulation is…

SKU 3G-OTH-742005

Brand
K-FLEX USA
Item
Halogen-Free Buna-N Straight Tube Insulation
Category
Halogen-Free Buna-N 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
6RHFN048318
Type
6 ft, Buna-N Rubber, Unslit
ID
3 1/8 in
Color
Green
Thick
1/2 in
R-Value
1.4
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

The K-FLEX USA Pipe Insulation Tube (SKU 6RHFN048318, MPN 6RHFN048318) is a 6 ft, unslit Buna-N rubber tube with a 3 1/8 in ID and 1/2 in thickness, offering an R-Value of 1.4. This halogen-free, green insulation is plenum rated, making it suitable for use in air-handling spaces. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right solution, not just a catalog.

Frequently Asked Questions

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

K-FLEX USA pipe insulation tube is used to reduce heat loss or gain and prevent condensation on pipes in HVAC and refrigeration systems. Its plenum-rated, halogen-free Buna-N rubber construction makes it suitable for air-handling spaces where fire safety and low smoke are required.

What are the specifications of K-FLEX USA 6RHFN048318 pipe insulation?

The K-FLEX USA 6RHFN048318 pipe insulation tube is 6 ft long, unslit, with a 3 1/8 in ID and 1/2 in thickness. It has an R-Value of 1.4, is made of halogen-free Buna-N rubber, colored green, and is plenum rated for use in air-handling spaces.

Where to buy K-FLEX USA pipe insulation worldwide?

3G Electric supplies K-FLEX USA pipe insulation worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the 6RHFN048318 tube or any other K-FLEX USA insulation product for your project.

How to install K-FLEX USA unslit pipe insulation tube?

For unslit K-FLEX USA pipe insulation, slide the tube over the pipe before connections are made. Ensure the pipe surface is clean and dry. Use appropriate adhesive or tape at joints and seams to maintain a continuous vapor barrier. Follow standard HVAC insulation best practices for best results.

K-FLEX USA Products

3G Electric supplies K-FLEX USA halogen-free buna-n 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

More from K-FLEX USA

View all K-FLEX USA parts
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 4-1/2 in inner diameter and 3/4 in thickness. It provides an R-Value of 4.6 and is plenum rated for use in air-handling spaces. Suitable for thermal insulation in commercial and industrial piping systems
K-FLEX USA
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 4-1/2 in inner diameter and 3/4 in thickness. It provides an R-Value of 4.6 and is plenum rated for use in air-handling spaces. Suitable for thermal insulation in commercial and industrial piping systems
This 6 ft unslit tube insulation is made from halogen-free Buna-N rubber with a 1-1/8 in inner diameter and 3/4 in thickness, providing an R-Value of 4.7. The green color and plenum rating make it suitable for use in air-handling spaces where fire safety and low smoke generation are required. Typical applications include thermal insulation and condensation control on HVAC and refrigeration piping in commercial and industrial environments
K-FLEX USA
This 6 ft unslit tube insulation is made from halogen-free Buna-N rubber with a 1-1/8 in inner diameter and 3/4 in thickness, providing an R-Value of 4.7. The green color and plenum rating make it suitable for use in air-handling spaces where fire safety and low smoke generation are required. Typical applications include thermal insulation and condensation control on HVAC and refrigeration piping in commercial and industrial environments
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 1/2 in inner diameter and 1/2 in wall thickness. It provides an R-Value of 2.9 and is plenum rated for use in air-handling spaces. The green color indicates its material composition. Typical applications include thermal insulation on pipes in HVAC, refrigeration, and industrial process lines
K-FLEX USA
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 1/2 in inner diameter and 1/2 in wall thickness. It provides an R-Value of 2.9 and is plenum rated for use in air-handling spaces. The green color indicates its material composition. Typical applications include thermal insulation on pipes in HVAC, refrigeration, and industrial process lines
This 6 ft unslit Buna-N rubber tube insulation has a 2 3/8 in inner diameter and 3/4 in thickness, providing an R-Value of 4.2. The halogen-free green material is plenum rated for use in air-handling spaces. It is applied to reduce heat loss or gain and prevent condensation on pipes in HVAC, refrigeration, and plumbing systems
K-FLEX USA
This 6 ft unslit Buna-N rubber tube insulation has a 2 3/8 in inner diameter and 3/4 in thickness, providing an R-Value of 4.2. The halogen-free green material is plenum rated for use in air-handling spaces. It is applied to reduce heat loss or gain and prevent condensation on pipes in HVAC, refrigeration, and plumbing systems
This 6 ft unslit Buna-N rubber tube insulation has a 1 3/8 in inner diameter and 3/4 in thickness, providing a 4.5 R-Value. The halogen-free construction and green color make it suitable for plenum-rated applications. Used for thermal insulation on piping systems in HVAC, refrigeration, and process lines where fire safety and thermal efficiency are required
K-FLEX USA
This 6 ft unslit Buna-N rubber tube insulation has a 1 3/8 in inner diameter and 3/4 in thickness, providing a 4.5 R-Value. The halogen-free construction and green color make it suitable for plenum-rated applications. Used for thermal insulation on piping systems in HVAC, refrigeration, and process lines where fire safety and thermal efficiency are required
This halogen-free Buna-N rubber tube insulation is designed for thermal and acoustic insulation of pipes in HVAC, refrigeration, and industrial systems. It features a 4 in inner diameter, 1 in thickness, and 6 ft length in an unslit configuration. The green insulation has an R-Value of 4.7 and is plenum rated for use in air-handling spaces where fire safety is critical
K-FLEX USA
This halogen-free Buna-N rubber tube insulation is designed for thermal and acoustic insulation of pipes in HVAC, refrigeration, and industrial systems. It features a 4 in inner diameter, 1 in thickness, and 6 ft length in an unslit configuration. The green insulation has an R-Value of 4.7 and is plenum rated for use in air-handling spaces where fire safety is critical
This 6 ft unslit tube insulation is made from halogen-free Buna-N rubber with a 2 in inner diameter and 3/4 in thickness. It provides an R-Value of 3.8 and is plenum rated for use in air-handling spaces. Typical applications include preventing condensation and heat loss on chilled water and refrigerant pipes in HVAC systems
K-FLEX USA
This 6 ft unslit tube insulation is made from halogen-free Buna-N rubber with a 2 in inner diameter and 3/4 in thickness. It provides an R-Value of 3.8 and is plenum rated for use in air-handling spaces. Typical applications include preventing condensation and heat loss on chilled water and refrigerant pipes in HVAC systems
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 3 1/2 in inner diameter and 1/2 in thickness. It provides an R-Value of 1.3 and is plenum rated for use in air-handling spaces. The green insulation is suitable for thermal efficiency and condensation control on industrial piping systems
K-FLEX USA
This 6 ft unslit tube insulation is made of halogen-free Buna-N rubber with a 3 1/2 in inner diameter and 1/2 in thickness. It provides an R-Value of 1.3 and is plenum rated for use in air-handling spaces. The green insulation is suitable for thermal efficiency and condensation control on industrial piping systems