UPONOR Barbed Fitting Adapter: 1/2 in ID x 3/4 in Pipe Size, Barbed x NPT, Brass
The UPONOR Barbed Fitting Adapter (MPN LF4575075) is an expansion brass barbed tube fitting with a 1/2 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses the expansion PEX connection method, making…
SKU 3G-OTH-468037
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Product Description
The UPONOR Barbed Fitting Adapter (MPN LF4575075) is an expansion brass barbed tube fitting with a 1/2 in ID x 3/4 in Pipe Size and a Barbed x NPT connection type. It uses the expansion PEX connection method, making it suitable for joining PEX tubing to NPT-threaded components.
Frequently Asked Questions
What is the UPONOR Barbed Fitting Adapter LF4575075 used for?
The UPONOR Barbed Fitting Adapter LF4575075 connects PEX tubing to NPT-threaded components in plumbing and hydronic heating systems. Its expansion PEX connection method provides a secure, leak-resistant joint. 3G Electric supplies this brass adapter for industrial and commercial piping applications worldwide.
What are the specifications of the UPONOR LF4575075 fitting?
The UPONOR LF4575075 is a brass barbed x NPT adapter with a 1/2 in ID and 3/4 in pipe size. It uses the expansion PEX connection method. This fitting is designed for joining PEX tubing to threaded fittings. 3G Electric sources this genuine UPONOR part for global delivery.
Where to buy the UPONOR LF4575075 fitting worldwide?
3G Electric supplies the UPONOR LF4575075 brass barbed adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this expansion PEX fitting for your industrial or commercial project.
How to install the UPONOR expansion PEX fitting?
Install the UPONOR LF4575075 by sliding an expansion ring onto the PEX tubing, then expanding the tubing and ring with an expansion tool. Insert the barbed end fully and allow the ring to contract. Tighten the NPT end with thread sealant. 3G Electric provides sourcing support for this fitting.
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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.


![UPONOR Barbed Fitting Adapter: 1 in ID x 1 in Pipe Size, Barbed x Press-fit, Brass/Copper, Expansion (MPN LFP4501010). 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%2Fd3ff0cb5-7357-45ea-9c08-d1598deab5ae.jpg&w=200)
![UPONOR Barbed Fitting Adapter: 3/4 in ID x 3/4 in Pipe Size, Barbed x Press-fit, Brass/Copper (MPN LFP4517575). 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%2Fd35b3511-1155-4477-8ff4-e0df462653e8.jpg&w=200)
![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)