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

3G Electric
UPONOR Expansion Polymer Barbed x Barbed Tube Fitting, 1/2 in ID - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Expansion Polymer Barbed x Barbed Tube Fitting, 1/2 in ID

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

Also listed as: Q 4775050 · Q-4775050

Brand
UPONOR
Item
Expansion Polymer Barbed x Barbed Tube Fitting, 1/2 in ID
Part Number
Q4775050
Category
Expansion Polymer Barbed Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

UPONOR
Manufacturer Part Number
Q4775050
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed

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 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 brass ball valves with PEX x PEX connections for zone flow control and isolation.
Potable water plumbing — Uponor expansion brass barbed tube fittings for transitioning PEX to copper piping.
Radiant floor heating — Uponor PEX x Sweat ball valves for manifold isolation and balancing.
Industrial plumbing — Uponor water meter valves for accurate flow measurement and shut-off.
Snow and ice melting systems — Uponor brass ball valves rated to 250 psi CWP for glycol mixture control.
Commercial building services — Uponor tubing cutters for clean, square cuts on PEX tubing during installation.
Not sure this is the right part? Photo-identify it→

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.

You might also need

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

More from UPONOR

View all UPONOR parts →
Polymer tee fitting with four barbed connections (2 in ID x 2 in ID x 1/2 in ID) for branching PEX tubing. Uses expansion connection method for leak-resistant joints in fluid handling systems
UPONOR
Polymer tee fitting with four barbed connections (2 in ID x 2 in ID x 1/2 in ID) for branching PEX tubing. Uses expansion connection method for leak-resistant joints in fluid handling systems
This expansion polymer barbed tee fitting has a 2-1/2 in ID x 2-1/2 in ID x 2 in ID size with four barbed connections. It is designed for use with PEX tubing using the expansion connection method. Commonly used in hydronic heating and potable water systems to create branch connections
UPONOR
This expansion polymer barbed tee fitting has a 2-1/2 in ID x 2-1/2 in ID x 2 in ID size with four barbed connections. It is designed for use with PEX tubing using the expansion connection method. Commonly used in hydronic heating and potable water systems to create branch connections

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first