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UPONOR Barbed Fitting Adapter: 1 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass - Expansion Brass Barbed Tube Fittings
UPONORExpansion Brass Barbed Tube Fittings

UPONOR Barbed Fitting Adapter: 1 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass

The UPONOR Barbed Fitting Adapter (MPN LF4521075) is a brass expansion-type barbed x NPT tube fitting designed for 1 in ID x 3/4 in pipe size connections. It uses an expansion PEX connection method and is supplied by…

SKU 3G-OTH-467916

Brand
UPONOR
Item
Barbed Fitting Adapter: 1 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass
Category
Expansion Brass Barbed Tube Fittings
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Technical Specifications

UPONOR
Manufacturer Part Number
LF4521075
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 LF4521075) is a brass expansion-type barbed x NPT tube fitting designed for 1 in ID x 3/4 in pipe size connections. It uses an expansion PEX connection method and 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.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Adapter LF4521075 used for?

The UPONOR Barbed Fitting Adapter LF4521075 connects 1 in ID PEX tubing to 3/4 in NPT threaded pipe in plumbing and hydronic heating systems. Its brass expansion design provides a secure, leak-resistant joint for potable water and radiant heating applications.

What are the specifications of the UPONOR LF4521075?

The UPONOR LF4521075 is a brass barbed x NPT adapter with 1 in ID x 3/4 in pipe size. It uses an expansion PEX connection method. The manufacturer part number is LF4521075, and the connection type is barbed x NPT.

Where to buy the UPONOR LF4521075 worldwide?

3G Electric supplies the UPONOR LF4521075 barbed fitting adapter to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine UPONOR components to your facility, regardless of location.

How to install the UPONOR expansion barbed fitting?

Install the UPONOR expansion fitting by sliding a PEX expansion ring onto the tubing, then expanding the PEX end with an expansion tool. Insert the barbed adapter fully and allow the PEX to contract around the barbs. Follow UPONOR's published instructions for proper seating and pressure testing.

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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UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4512020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
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UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4521515). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
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