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: 1/2 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: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass

The UPONOR Barbed Fitting Adapter (MPN LF4525075) is an expansion brass barbed tube fitting with a 1/2 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection method, making…

SKU 3G-OTH-467904

Brand
UPONOR
Item
Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass
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
LF4525075
Type
Barbed x NPT, Brass, Expansion
Connection Type
Barbed x NPT
[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 LF4525075) is an expansion brass barbed tube fitting with a 1/2 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses an expansion PEX connection method, making it suitable for integrating PEX tubing into NPT-threaded systems.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Adapter used for?

The UPONOR Barbed Fitting Adapter (LF4525075) connects PEX tubing to NPT-threaded systems in plumbing and hydronic heating. Its expansion brass design provides a secure, leak-resistant joint for residential and commercial water supply lines.

What are the specifications of the UPONOR Barbed Fitting Adapter?

This UPONOR fitting has a 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT connection, and is made of brass. It uses the expansion PEX connection method (MPN LF4525075). 3G Electric supplies this adapter for worldwide delivery.

Where to buy the UPONOR Barbed Fitting Adapter worldwide?

3G Electric supplies the UPONOR Barbed Fitting Adapter (LF4525075) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you get the right expansion brass fitting for your PEX-to-NPT connections.

How to install the UPONOR Barbed Fitting Adapter?

Install the UPONOR expansion fitting by sliding the PEX tubing over the barbed end, then using an expansion tool to expand the tubing before it contracts onto the fitting. Tighten the NPT end with thread sealant. Always follow local plumbing codes.

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: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed, Brass, Expansion (MPN CP4501313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR
UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed, Brass, Expansion (MPN CP4501313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4507575). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR
UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4507575). 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 Press-fit, Brass/Copper, Expansion (MPN LFP4511010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR
UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4511010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4501500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR
UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4501500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.
UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x Cup, Brass/Copper (MPN LF4511313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR
UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x Cup, Brass/Copper (MPN LF4511313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4507510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4507510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4511515). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR
UPONOR Barbed Fitting Adapter: 1 1/2 in ID x 1 1/2 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4511515). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.
UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4517575). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.
UPONOR
UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4517575). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.