JOHNS MANVILLEMineral Wool Elbow Insulation

JOHNS MANVILLE Pipe Fitting Insulation: 90° Elbow, Mineral Wool, Unslit, 1 1/2 in Thick

The Johns Manville 90° Elbow Pipe Fitting Insulation (SKU 539148, MPN 539148) is a mineral wool, unslit elbow insulation with a 2 3/8 in ID and 1 1/2 in thickness in tan. It is plenum rated, making it suitable for…

SKU 3G-OTH-708739

Brand

JOHNS MANVILLE

Item

Pipe Fitting Insulation: 90° Elbow, Mineral Wool, Unslit, 1 1/2 in Thick

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNS MANVILLE

Manufacturer Part Number

539148

Type

Mineral Wool, Unslit, Tan 

2 3/8 in 

Thick

1 1/2 in 

Technical Documents

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JOHNS MANVILLE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is Johns Manville 90° Elbow Pipe Fitting Insulation used for?

This mineral wool elbow insulation is used to insulate 90° pipe bends in HVAC and industrial piping systems. Its plenum-rated construction makes it suitable for air-handling spaces where fire safety and thermal efficiency are required.

What are the specifications of the Johns Manville 539148 elbow insulation?

The Johns Manville 539148 is a 90° elbow pipe fitting insulation made of mineral wool, unslit, in tan. It has a 2 3/8 in inside diameter and 1 1/2 in thickness. It is plenum rated for use in air-handling spaces.

Where to buy Johns Manville 539148 pipe fitting insulation worldwide?

3G Electric supplies the Johns Manville 539148 mineral wool elbow insulation to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct insulation for your piping system regardless of location.

How to install Johns Manville mineral wool elbow insulation?

Installation typically involves fitting the unslit mineral wool elbow over the pipe bend, then securing it with appropriate tape or wire. Ensure the insulation is snug and covers the entire fitting. Always follow standard industry practices for thermal insulation in HVAC systems.

Used in

Common applications for JOHNS MANVILLE

Commercial HVAC — Johns Manville duct wrap (FSK-faced fiberglass) used to insulate supply and return air ducts in office buildings.

Industrial process piping — Johns Manville Thermo-12 Gold calcium silicate insulation applied on high-temperature steam lines in power plants.

Refrigeration systems — Johns Manville fiberglass pipe insulation with vapor retarder used on chilled water lines to prevent condensation.

Manufacturing facilities — Johns Manville duct wrap installed on ventilation ducts in factories to maintain temperature control and reduce energy loss.

Data centers — Johns Manville insulation used on HVAC ductwork to manage cooling efficiency and humidity in server rooms.

Hospitality buildings — Johns Manville duct wrap applied in hotel HVAC systems for thermal comfort and noise reduction.

JOHNS MANVILLE Products

3G Electric supplies JOHNS MANVILLE mineral wool elbow insulation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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