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

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

The UPONOR Barbed Fitting Coupling (MPN Q4772020) is a polymer expansion-type barbed x barbed tube fitting with a 2 in ID x 2 in ID size, designed for PEX connections using the expansion method. 3G Electric…

SKU 3G-OTH-474120

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

UPONOR
Manufacturer Part Number
Q4772020
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 Q4772020) is a polymer expansion-type barbed x barbed tube fitting with a 2 in ID x 2 in ID size, designed for PEX connections using the expansion method. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the UPONOR Barbed Fitting Coupling Q4772020 used for?

The UPONOR Barbed Fitting Coupling Q4772020 is used to join two PEX pipes of the same size in plumbing and hydronic heating systems. It connects 2 in ID PEX tubing using the expansion method, creating a secure, leak-resistant joint for potable water or radiant floor applications.

What are the specifications of the UPONOR Barbed Fitting Coupling Q4772020?

The UPONOR Barbed Fitting Coupling Q4772020 is a polymer expansion-type fitting with a 2 in ID x 2 in ID size. It features barbed x barbed connections and is designed for PEX expansion connections. The manufacturer part number is Q4772020.

Where to buy the UPONOR Barbed Fitting Coupling Q4772020 worldwide?

3G Electric supplies the genuine UPONOR Barbed Fitting Coupling Q4772020 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this expansion polymer fitting.

How to install the UPONOR Barbed Fitting Coupling Q4772020?

To install the UPONOR Barbed Fitting Coupling Q4772020, use an expansion tool to expand the PEX tube end, then insert the barbed fitting. The polymer material contracts around the barb for a tight seal. Follow standard PEX expansion procedures and local plumbing codes for best results.

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 Fitting Adapter: 1/2 in ID x 1/2 in Pipe Size, Barbed x NPT, Polymer, Expansion (MPN Q4625050). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.
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UPONOR Barbed Fitting Elbow: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4760500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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UPONOR Barbed Fitting Elbow: 1/2 in ID x 1/2 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4760500). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Coupling: 1 1/2 in ID x 1 1/4 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4771513). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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UPONOR Barbed Fitting Coupling: 1 1/2 in ID x 1 1/4 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4771513). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Tee: 3/4 in ID x 3/4 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4757710). 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 1 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4757710). 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 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4757557). 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 1/2 in ID x 3/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4757557). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
UPONOR Barbed Fitting Adapter: 1 in ID x 1 1/4 in Pipe Size, Barbed x NPSM, Polymer, Expansion (MPN WS4361001). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPSM.
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UPONOR Barbed Fitting Adapter: 1 in ID x 1 1/4 in Pipe Size, Barbed x NPSM, Polymer, Expansion (MPN WS4361001). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPSM.
UPONOR Barbed Fitting Coupling: 1 1/2 in ID x 1 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4771510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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UPONOR Barbed Fitting Coupling: 1 1/2 in ID x 1 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4771510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
UPONOR Barbed Fitting Elbow: 3 in ID x 3 in ID Size, Barbed x Barbed, Polymer, Expansion (MPN Q4763030). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed.
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