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

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

The UPONOR Barbed Fitting Coupling (MPN Q4771515) is a polymer expansion-type barbed x barbed tube fitting designed for 1 1/2 in ID x 1 1/2 in ID PEX connections. It uses an expansion connection method, making it…

SKU 3G-OTH-474126

Also listed as: Q 4771515 · Q-4771515

Brand
UPONOR
Item
Expansion Polymer Barbed Tube Fitting, Barbed x Barbed, 1-1/2 in ID
Part Number
Q4771515
Category
Expansion Polymer Barbed Tube Fittings
Available to Order
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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
Q4771515
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed

Technical Documents

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

Product Description

The UPONOR Barbed Fitting Coupling (MPN Q4771515) is a polymer expansion-type barbed x barbed tube fitting designed for 1 1/2 in ID x 1 1/2 in ID PEX connections. It uses an expansion connection method, making it suitable for joining PEX tubing in industrial plumbing and hydronic systems.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Coupling Q4771515 used for?

The UPONOR Barbed Fitting Coupling Q4771515 is used to join two lengths of 1 1/2 in ID PEX tubing in industrial plumbing and hydronic heating 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 Q4771515 coupling?

The UPONOR Q4771515 is a polymer barbed x barbed coupling for 1 1/2 in ID PEX tubing. It uses an expansion connection method. The fitting is manufactured by UPONOR and has a barbed x barbed connection type. It is designed for use in hydronic and plumbing systems.

Where to buy the UPONOR Q4771515 coupling worldwide?

3G Electric supplies the UPONOR Q4771515 coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine UPONOR fittings for your plumbing and hydronic projects.

How to install the UPONOR expansion coupling Q4771515?

To install the UPONOR Q4771515, first expand the PEX tubing end using an expansion tool. Immediately insert the barbed end of the coupling into the expanded tubing. The tubing will contract and form a tight seal around the barb. Ensure the tubing is fully seated before pressure testing.

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.
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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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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

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