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UPONOR Barbed Fitting Coupling: 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Barbed Fitting Coupling: 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed

The UPONOR Barbed Fitting Coupling (MPN Q4771313) is a polymer expansion-type barbed x barbed tube fitting designed for 1 1/4 in ID x 1 1/4 in ID PEX connections. As an authorized distributor, 3G Electric supplies…

SKU 3G-OTH-474034

Also listed as: Q 4771313 · Q-4771313

Brand
UPONOR
Item
Barbed Fitting Coupling: 1 1/4 in ID x 1 1/4 in ID Size, Barbed x Barbed
Category
Expansion Polymer Barbed Tube Fittings
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

UPONOR
Manufacturer Part Number
Q4771313
Type
Barbed x Barbed, Polymer, Expansion
Connection Type
Barbed x Barbed
[New] - PEX Connection Method
Expansion

Technical Documents

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

Product Description

The UPONOR Barbed Fitting Coupling (MPN Q4771313) is a polymer expansion-type barbed x barbed tube fitting designed for 1 1/4 in ID x 1 1/4 in ID PEX connections. As an authorized distributor, 3G Electric supplies this fitting across 14 industrial departments, with specialist expertise in combustion, pumps, and controls to support your sourcing needs.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Coupling Q4771313 used for?

The UPONOR Barbed Fitting Coupling Q4771313 connects two 1 1/4 in ID PEX tubes in expansion-type plumbing systems. It is a polymer barbed x barbed fitting used in residential and commercial hydronic heating, radiant floor systems, and potable water lines.

What are the specifications of the UPONOR Q4771313 coupling?

The UPONOR Q4771313 is a polymer expansion-type barbed x barbed coupling for 1 1/4 in ID x 1 1/4 in ID PEX connections. It uses the expansion PEX connection method and has a barbed x barbed connection type. The manufacturer part number is Q4771313.

Where to buy the UPONOR Q4771313 coupling worldwide?

3G Electric supplies the UPONOR Q4771313 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 this fitting across 14 industrial departments.

How to install the UPONOR expansion PEX coupling?

Install the UPONOR Q4771313 coupling by expanding the PEX tube end with an expansion tool, then inserting the barbed fitting. The polymer material contracts around the barb for a secure seal. Always follow the manufacturer's instructions and use proper support for the 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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