Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1/2 in Pipe Size, Barbed x Cup, Brass/Copper - Expansion Brass Barbed Tube Fittings
UPONORExpansion Brass Barbed Tube Fittings

UPONOR Barbed Fitting Adapter: 3/4 in ID x 1/2 in Pipe Size, Barbed x Cup, Brass/Copper

The UPONOR Barbed Fitting Adapter (MPN LF4507550) is an expansion brass barbed tube fitting with a 3/4 in ID x 1/2 in Pipe Size, featuring a Barbed x Cup connection type and a PEX connection method of Expansion. 3G…

SKU 3G-OTH-468011

Brand
UPONOR
Item
Barbed Fitting Adapter: 3/4 in ID x 1/2 in Pipe Size, Barbed x Cup, Brass/Copper
Category
Expansion Brass Barbed Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

UPONOR
Manufacturer Part Number
LF4507550
Type
Barbed x Cup, Brass/Copper, Expansion
Connection Type
Barbed x Cup
[New] - PEX Connection Method
Expansion
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

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

Product Description

The UPONOR Barbed Fitting Adapter (MPN LF4507550) is an expansion brass barbed tube fitting with a 3/4 in ID x 1/2 in Pipe Size, featuring a Barbed x Cup connection type and a PEX connection method of Expansion. 3G Electric interprets this demand and delivers the genuine UPONOR part across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Adapter LF4507550 used for?

The UPONOR Barbed Fitting Adapter LF4507550 connects 3/4 in ID PEX tubing to a 1/2 in pipe using a barbed x cup connection. It is used in residential and commercial plumbing systems for potable water and hydronic heating, ensuring a secure, leak-free joint with the expansion PEX method.

What are the specifications of the UPONOR LF4507550?

The UPONOR LF4507550 is a brass/copper barbed fitting adapter with a 3/4 in ID x 1/2 in pipe size. It features a barbed x cup connection type and uses the expansion PEX connection method. The manufacturer part number is LF4507550, and it is designed for durable, corrosion-resistant performance.

Where to buy the UPONOR LF4507550 in worldwide?

3G Electric supplies the genuine UPONOR LF4507550 barbed fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this part across 14 departments, including plumbing and HVAC.

How to install the UPONOR expansion barbed fitting adapter?

To install the UPONOR LF4507550, use an expansion tool to enlarge the PEX tubing end, then insert the barbed adapter fully. The tubing contracts around the barb for a tight seal. Always follow UPONOR's guidelines for proper expansion ring sizing and ensure the cup connection is securely fastened to the pipe.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from UPONOR

View all UPONOR parts →
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4577510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4577510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4502020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4502020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4512020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR
UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4512020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4511010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR
UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4511010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4521010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR
UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4521010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522525). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR
UPONOR Barbed Fitting Adapter: 2 1/2 in ID x 2 1/2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522525). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4575075). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
UPONOR
UPONOR Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4575075). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.