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 Sound-Absorbing Duct Liner - Sound-Absorbing Duct Liners
K-FLEX USASound-Absorbing Duct Liners

K-FLEX USA Sound-Absorbing Duct Liner

The K-FLEX USA Duct Liner (0.55 NRC) is a sound-absorbing duct liner with a thickness of 1.5 in, overall length of 35 ft, and overall width of 59 in, rated for temperatures from -297°F to 220°F. This product is…

SKU 3G-OTH-574124

Also listed as: 6RSKD14803559 · 6RSKD148035 59

Brand
K-FLEX USA
Item
Sound-Absorbing Duct Liner
Category
Sound-Absorbing Duct Liners
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
6RSKD148035-59
Type
-297°F to 220°F
Overall Lg
35 ft
Thick
1.5 in
Overall Wd
59 in

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 Duct Liner (0.55 NRC) is a sound-absorbing duct liner with a thickness of 1.5 in, overall length of 35 ft, and overall width of 59 in, rated for temperatures from -297°F to 220°F. This product is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is K-FLEX USA Duct Liner used for?

K-FLEX USA Duct Liner is a sound-absorbing liner for HVAC ductwork, reducing noise from air movement and equipment. It is used in commercial and industrial ventilation systems to improve acoustic comfort and thermal insulation, with a 0.55 NRC rating for effective sound absorption.

What are the specifications of K-FLEX USA Duct Liner 6RSKD148035-59?

The K-FLEX USA Duct Liner (MPN 6RSKD148035-59) has a thickness of 1.5 in, overall length of 35 ft, and overall width of 59 in. It operates in temperatures from -297°F to 220°F, with a 0.55 NRC for sound absorption. 3G Electric supplies this genuine K-FLEX USA product.

Where to buy K-FLEX USA Duct Liner worldwide?

3G Electric supplies K-FLEX USA Duct Liner worldwide, handling full logistics and customs clearance for global delivery. As a global industrial solutions provider, we source and deliver genuine equipment across 14 departments, including specialist expertise in combustion, pumps, and controls.

How to install K-FLEX USA Duct Liner?

Install K-FLEX USA Duct Liner by cutting to size and adhering to clean duct surfaces using approved adhesive or mechanical fasteners. Ensure joints are sealed to prevent air leakage. Follow manufacturer guidelines for temperature range (-297°F to 220°F) and avoid compression that reduces acoustic performance.

K-FLEX USA Products

3G Electric supplies K-FLEX USA sound-absorbing duct liners. 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 sound-absorbing duct liner is designed for acoustic and thermal insulation in HVAC ductwork, industrial air handling, and ventilation systems. It reduces noise from fans and airflow while providing temperature resistance from -297°F to 220°F. The liner measures 1 in thick, 50 ft long, and 60 in wide
K-FLEX USA
This sound-absorbing duct liner is designed for acoustic and thermal insulation in HVAC ductwork, industrial air handling, and ventilation systems. It reduces noise from fans and airflow while providing temperature resistance from -297°F to 220°F. The liner measures 1 in thick, 50 ft long, and 60 in wide
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 1.5 in, overall length of 35 ft, and overall width of 56 1/4 in, it provides a Noise Reduction Coefficient (NRC) of 0.55. Commonly used in commercial and industrial ventilation systems to improve acoustic comfort and meet noise-control specifications
K-FLEX USA
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 1.5 in, overall length of 35 ft, and overall width of 56 1/4 in, it provides a Noise Reduction Coefficient (NRC) of 0.55. Commonly used in commercial and industrial ventilation systems to improve acoustic comfort and meet noise-control specifications
This sound-absorbing duct liner is used in HVAC ductwork to reduce noise from air handling systems and provide thermal insulation. It measures 1.5 in thick, 35 ft long, and 48 in wide, with a temperature rating of -40°F to 200°F
K-FLEX USA
This sound-absorbing duct liner is used in HVAC ductwork to reduce noise from air handling systems and provide thermal insulation. It measures 1.5 in thick, 35 ft long, and 48 in wide, with a temperature rating of -40°F to 200°F
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 0.5 in, overall width of 60 in, and length of 100 ft, it is rated for temperatures from -297°F to 300°F, suitable for both cold and hot air handling systems in commercial and industrial buildings
K-FLEX USA
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 0.5 in, overall width of 60 in, and length of 100 ft, it is rated for temperatures from -297°F to 300°F, suitable for both cold and hot air handling systems in commercial and industrial buildings
This sound-absorbing duct liner is designed for use in HVAC ductwork to reduce noise from air handling systems. Each pack includes two pieces with a thickness of 1.5 inches, overall length of 35 feet, and overall width of 56 1/4 inches. The liner provides acoustic insulation with a 0.55 NRC rating, helping control sound transmission in commercial and industrial buildings
K-FLEX USA
This sound-absorbing duct liner is designed for use in HVAC ductwork to reduce noise from air handling systems. Each pack includes two pieces with a thickness of 1.5 inches, overall length of 35 feet, and overall width of 56 1/4 inches. The liner provides acoustic insulation with a 0.55 NRC rating, helping control sound transmission in commercial and industrial buildings
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 1.5 inches, overall dimensions of 35 ft length by 59 in width, and a temperature range of -297°F to 300°F, it is suitable for both cold and heated air systems in commercial and industrial buildings
K-FLEX USA
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. With a thickness of 1.5 inches, overall dimensions of 35 ft length by 59 in width, and a temperature range of -297°F to 300°F, it is suitable for both cold and heated air systems in commercial and industrial buildings
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. It measures 0.5 in thick, 100 ft long, and 56 1/4 in wide. Commonly used in commercial and industrial ventilation systems to improve acoustic comfort
K-FLEX USA
This sound-absorbing duct liner is designed for installation inside HVAC ductwork to reduce noise from air movement and equipment. It measures 0.5 in thick, 100 ft long, and 56 1/4 in wide. Commonly used in commercial and industrial ventilation systems to improve acoustic comfort
Sound-absorbing duct liner for HVAC systems, reducing noise from air movement and equipment. Suitable for ventilation systems requiring acoustic control within a temperature range of -297°F to 220°F. Measures 1 in thick, 50 ft long, and 59 in wide
K-FLEX USA
Sound-absorbing duct liner for HVAC systems, reducing noise from air movement and equipment. Suitable for ventilation systems requiring acoustic control within a temperature range of -297°F to 220°F. Measures 1 in thick, 50 ft long, and 59 in wide