UPONOR Barbed Fitting Adapter: 1 1/4 in ID x 1 1/4 in Pipe Size, Barbed x Cup
The UPONOR Barbed Fitting Adapter (MPN LF4501313) is an expansion brass barbed tube fitting with a 1 1/4 in ID x 1 1/4 in Pipe Size, featuring a Barbed x Cup connection type in brass/copper. It uses an expansion PEX…
SKU 3G-OTH-467992
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4501313) is an expansion brass barbed tube fitting with a 1 1/4 in ID x 1 1/4 in Pipe Size, featuring a Barbed x Cup connection type in brass/copper. It uses an expansion PEX connection method, designed for secure joining in industrial plumbing systems.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4501313 used for?
The UPONOR Barbed Fitting Adapter LF4501313 is used to join PEX tubing to copper or brass pipe in industrial plumbing systems. Its barbed x cup design and expansion connection method create a secure, leak-resistant joint for hydronic heating, potable water, and process piping applications.
What are the specifications of the UPONOR LF4501313?
The UPONOR LF4501313 is a barbed fitting adapter with a 1 1/4 in ID x 1 1/4 in pipe size, brass/copper construction, and barbed x cup connection type. It uses an expansion PEX connection method, making it suitable for secure joining in industrial plumbing systems.
Where to buy the UPONOR LF4501313 worldwide?
3G Electric supplies the UPONOR LF4501313 barbed fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this expansion brass fitting for industrial plumbing systems.
How to install the UPONOR expansion barbed fitting?
To install the UPONOR expansion barbed fitting, first expand the PEX tube end using an expansion tool, then insert the barbed adapter fully. The PEX contracts around the barb for a secure seal. Always follow manufacturer guidelines for proper expansion and connection to avoid leaks.
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Common applications for UPONORUPONOR Products
3G Electric supplies UPONOR expansion brass 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: 2 in ID x 2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4512020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fd111a962-8b56-49e0-8ba0-f38745b71f0b.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 3/4 in ID x 1 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4577510). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fd01a3668-c171-40ca-b95d-d926c3742e1f.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x NPT, Brass, Expansion (MPN LF4522020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x NPT.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc95802ac-153d-42d3-9287-a9679e6a59a0.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed, Brass, Expansion (MPN CP4502020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc8dd4044-daa5-485f-8731-b3324e10ab96.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 2 in ID x 2 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4512020). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Press-fit.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc5aef166-d79e-4442-a909-841591c373be.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Cup, Brass/Copper, Expansion (MPN LF4511010). Key specifications — [New] - PEX Connection Method: Expansion; Brand: UPONOR; Connection Type: Barbed x Cup.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc42793cc-53ad-48ba-8066-ac4bcf4cdf8d.jpg&w=200)