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UPONOR Barbed Fitting Coupling: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, Polymer - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Barbed Fitting Coupling: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, Polymer

The UPONOR Barbed Fitting Coupling (MPN Q4775050) is a polymer expansion-type barbed x barbed tube fitting designed for 1/2 in ID x 1/2 in ID PEX connections. It uses an expansion connection method, making it…

SKU 3G-OTH-474107

Brand
UPONOR
Item
Barbed Fitting Coupling: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, Polymer
Category
Expansion Polymer Barbed Tube Fittings
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Technical Specifications

UPONOR
Manufacturer Part Number
Q4775050
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed
[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 Coupling (MPN Q4775050) is a polymer expansion-type barbed x barbed tube fitting designed for 1/2 in ID x 1/2 in ID PEX connections. It uses an expansion connection method, making it suitable for joining PEX tubing in plumbing and hydronic systems.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Coupling Q4775050 used for?

The UPONOR Barbed Fitting Coupling Q4775050 is used to join two 1/2 in ID PEX tubes in plumbing and hydronic systems. Its expansion connection method creates a secure, leak-resistant joint, making it suitable for potable water and radiant heating applications.

What are the specifications of the UPONOR Q4775050 coupling?

The UPONOR Q4775050 is a polymer barbed x barbed coupling for 1/2 in ID x 1/2 in ID PEX connections. It uses an expansion connection method. The fitting is made by UPONOR, part number Q4775050, and is designed for reliable joining in hydronic and plumbing systems.

Where to buy the UPONOR Q4775050 coupling worldwide?

3G Electric supplies the UPONOR Q4775050 coupling worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this expansion polymer fitting to your site. Contact us for availability and lead time.

How to install the UPONOR expansion barbed coupling?

To install the UPONOR expansion barbed coupling, expand the PEX tube end using an expansion tool, then insert the barbed fitting before the tube contracts. Ensure the tube is fully seated against the fitting shoulder. Follow UPONOR's guidelines for proper expansion and connection.

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 polymer 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 Tee: 2 in ID x 2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752275). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 2 in ID x 2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4752275). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPSM, Polymer, Expansion (MPN WS4360751). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPSM.
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UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPSM, Polymer, Expansion (MPN WS4360751). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPSM.
UPONOR Barbed Tee: 2 1/2 in ID x 2 1/2 in ID x 2 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4752520). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 2 1/2 in ID x 2 1/2 in ID x 2 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4752520). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Tee: 3/4 in ID x 3/4 in ID x 5/8 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4757563). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 3/4 in ID x 3/4 in ID x 5/8 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4757563). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Tee: 1 1/2 in ID x 1 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751557). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 1 1/2 in ID x 1 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751557). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Tee: 3 in ID x 3 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4753313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 3 in ID x 3 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4753313). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Tee: 1 1/2 in ID x 1 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751511). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Tee: 1 1/2 in ID x 1 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751511). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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UPONOR Barbed Fitting Coupling: 1 1/4 in ID x 3/4 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4771307). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.