We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
JOHNS MANVILLE Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 3 1/4 in Max OD - PVC Jacketing for Fitting Insulation
JOHNS MANVILLEPVC Jacketing for Fitting Insulation

JOHNS MANVILLE Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 3 1/4 in Max OD

The Johns Manville Insulated Fitting Cover is a PVC jacket designed for tee fittings with a maximum outer diameter of 3 1/4 in, in white. It features a fiberglass insulation insert and is installed using tape (MPN…

SKU 3G-OTH-655703

Brand
JOHNS MANVILLE
Item
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 3 1/4 in Max OD
Category
PVC Jacketing for Fitting 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

Technical Specifications

JOHNS MANVILLE
Manufacturer Part Number
31290
Type
For Tee Fitting, For 3 1/4 in Max OD, White
For Insulation Type
Tee
Installation Method
Tape
Insulation Insert Material
Fiberglass
View Full Spec Sheet

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

JOHNS MANVILLE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Johns Manville Insulated Fitting Cover is a PVC jacket designed for tee fittings with a maximum outer diameter of 3 1/4 in, in white. It features a fiberglass insulation insert and is installed using tape (MPN 31290).

Frequently Asked Questions

What is a Johns Manville insulated fitting cover used for?

This PVC jacket insulates tee fittings in HVAC and industrial piping systems. It prevents heat loss and condensation on fittings up to 3 1/4 in outer diameter. The fiberglass insert provides thermal insulation, and the white PVC jacket protects against moisture and mechanical damage.

What are the specifications of the Johns Manville 31290 fitting cover?

The Johns Manville 31290 is a PVC insulated fitting cover for tee fittings with a maximum outer diameter of 3 1/4 in. It includes a fiberglass insulation insert and is installed using tape. The jacket is white and designed for use on tee-type pipe insulation.

Where to buy Johns Manville insulated fitting covers worldwide?

3G Electric supplies Johns Manville insulated fitting covers worldwide. We handle full logistics and customs clearance for global delivery. As a sourcing partner, we provide this PVC jacket for tee fittings (MPN 31290) and support procurement across industrial departments.

How to install a Johns Manville PVC fitting cover on a tee?

Installation uses tape: wrap the fiberglass insert around the tee fitting, then secure the white PVC jacket over it with adhesive tape. Ensure the jacket fully covers the fitting and overlaps insulation ends. Follow standard practices for pipe insulation to maintain thermal performance.

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 pvc jacketing for fitting 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 JOHNS MANVILLE

View all JOHNS MANVILLE parts →
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 8 5/8 in Max OD, White (MPN 29955). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 8 5/8 in Max OD, White (MPN 29955). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 2 1/2 in Max OD, White (MPN 29875). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 2 1/2 in Max OD, White (MPN 29875). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For End Cap Fitting, For 3 in Max OD, White (MPN 29470). Key specifications — Installation Method: Tape; For Insulation Type: End Cap; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For End Cap Fitting, For 3 in Max OD, White (MPN 29470). Key specifications — Installation Method: Tape; For Insulation Type: End Cap; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 5 5/8 in Max OD, White (MPN 29930). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 5 5/8 in Max OD, White (MPN 29930). Key specifications — Installation Method: Tape; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 2 1/4 in Max OD, White (MPN 29870). Key specifications — Installation Method: Tacks; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 2 1/4 in Max OD, White (MPN 29870). Key specifications — Installation Method: Tacks; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 5 1/8 in Max OD, White (MPN 29920). Key specifications — Installation Method: Tacks; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For Tee Fitting, For 5 1/8 in Max OD, White (MPN 29920). Key specifications — Installation Method: Tacks; For Insulation Type: Tee; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For 90° Elbow Fitting, For 3 1/4 in Max OD, White (MPN 32785). Key specifications — Installation Method: Tape; For Insulation Type: 90° Elbow; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For 90° Elbow Fitting, For 3 1/4 in Max OD, White (MPN 32785). Key specifications — Installation Method: Tape; For Insulation Type: 90° Elbow; Insulation Insert Material: Fiberglass.
Insulated Fitting Cover: PVC Jacket, For 90° Elbow Fitting, For 3 5/8 in Max OD, White (MPN 32790). Key specifications — Installation Method: Tacks; For Insulation Type: 90° Elbow; Insulation Insert Material: Fiberglass.
JOHNS MANVILLE
Insulated Fitting Cover: PVC Jacket, For 90° Elbow Fitting, For 3 5/8 in Max OD, White (MPN 32790). Key specifications — Installation Method: Tacks; For Insulation Type: 90° Elbow; Insulation Insert Material: Fiberglass.