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UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x NPT - Expansion Brass Barbed Tube Fittings
UPONORExpansion Brass Barbed Tube Fittings

UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x NPT

The UPONOR Barbed Fitting Adapter (MPN LF4521313) is a brass expansion barbed tube fitting with a Barbed x NPT connection type, designed for 1 1/4 in ID x 1 1/4 in Pipe Size. It uses an expansion PEX connection method.

SKU 3G-OTH-467911

Brand
UPONOR
Item
Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x NPT
Category
Expansion Brass Barbed Tube Fittings
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Technical Specifications

UPONOR
Manufacturer Part Number
LF4521313
Type
Barbed x NPT, Brass, Expansion
Connection Type
Barbed x NPT
[New] - PEX Connection Method
Expansion
View Full Spec Sheet

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

Product Description

The UPONOR Barbed Fitting Adapter (MPN LF4521313) is a brass expansion barbed tube fitting with a Barbed x NPT connection type, designed for 1 1/4 in ID x 1 1/4 in Pipe Size. It uses an expansion PEX connection method.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Adapter LF4521313 used for?

The UPONOR Barbed Fitting Adapter LF4521313 connects 1 1/4 in PEX tubing to NPT threaded pipes in hydronic heating, plumbing, and radiant systems. Its brass expansion design provides a reliable, leak-resistant joint for potable water and closed-loop applications.

What are the specifications of the UPONOR LF4521313?

The UPONOR LF4521313 is a brass barbed fitting adapter with a Barbed x NPT connection. It fits 1 1/4 in ID PEX tubing and 1 1/4 in pipe size NPT threads. The PEX connection method is expansion, requiring an expansion tool for installation.

Where to buy the UPONOR LF4521313 worldwide?

3G Electric supplies the UPONOR LF4521313 barbed fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass expansion fitting.

How to install the UPONOR expansion barbed fitting?

Install the UPONOR expansion barbed fitting by sliding an expansion ring onto the PEX tube, then expanding the tube end with an expansion tool. Insert the barbed adapter fully and allow the PEX to contract around the barbs. No glue or solder is needed.

Used in

Common applications for UPONOR
Hydronic heating systems — Uponor manual two-way ball valves for flow isolation in PEX-based radiant heating loops
Water meter installation — Uponor water meter brass ball valves with PEX x NPSM connections for utility metering points
Plumbing maintenance — Uponor tube cutter for PEX used in cutting pipe during repair or retrofitting of water supply lines
Commercial building water distribution — Uponor angle ball valves for space-saving connections in mechanical rooms
Industrial process water — Uponor brass ball valves rated to 250 psi for shut-off in non-potable water lines

UPONOR Products

3G Electric supplies UPONOR expansion brass barbed tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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