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UPONOR Barbed Fitting Plug: 1 in ID Size, Barbed, Polymer - Expansion Polymer Barbed Tube Fittings
UPONORExpansion Polymer Barbed Tube Fittings

UPONOR Barbed Fitting Plug: 1 in ID Size, Barbed, Polymer

The UPONOR Barbed Fitting Plug (MPN Q4351000) is a 1 in ID size, barbed, polymer, expansion-type tube fitting. It uses an expansion PEX connection method, as specified by the manufacturer.

SKU 3G-OTH-474211

Brand
UPONOR
Item
Barbed Fitting Plug: 1 in ID Size, Barbed, Polymer
Category
Expansion Polymer Barbed Tube Fittings
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Technical Specifications

UPONOR
Manufacturer Part Number
Q4351000
Type
Barbed, Polymer, Expansion
[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 Plug (MPN Q4351000) is a 1 in ID size, barbed, polymer, expansion-type tube fitting. It uses an expansion PEX connection method, as specified by the manufacturer.

Frequently Asked Questions

What is UPONOR Barbed Fitting Plug Q4351000 used for?

The UPONOR Barbed Fitting Plug Q4351000 is used to seal the end of a 1-inch PEX tube in hydronic heating, plumbing, and radiant floor systems. It uses an expansion connection method for a secure, leak-resistant seal in residential and commercial installations.

What are the specifications of UPONOR Q4351000?

The UPONOR Q4351000 is a barbed fitting plug with a 1-inch inside diameter, made of polymer, and designed for expansion PEX connection. It is manufactured by UPONOR under part number Q4351000. This fitting is suitable for use with PEX tubing in expansion-type systems.

Where to buy UPONOR Q4351000 in worldwide?

3G Electric supplies the UPONOR Q4351000 barbed fitting plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order and receive a competitive quote for your project.

How to install UPONOR Q4351000 barbed fitting plug?

To install the UPONOR Q4351000, first expand the PEX tube end using an expansion tool. Immediately insert the barbed plug into the expanded tube until the barb is fully seated. The polymer material contracts around the fitting, creating a permanent, watertight seal without the need for crimp rings.

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: 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 1/4 in ID x 1 1/4 in ID x 1 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751331). 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 1/4 in ID x 3/4 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed (MPN Q4751373). 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 in ID x 1 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751113). 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 in ID x 1 in ID x 1 1/4 in ID Size, Barbed x Barbed x Barbed x Barbed, Polymer (MPN Q4751113). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Barbed x Barbed x Barbed.
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