NIBCO Sweat Fitting Adapter: 2 1/2 in CTS x 2 1/2 in Pipe, Cup x Flange
SKU 3G-OTH-475812
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a NIBCO sweat fitting adapter used for?
A NIBCO sweat fitting adapter connects copper tubing to flanged equipment in plumbing and HVAC systems. This bronze cup x flange adapter joins 2 1/2 in CTS tube to 2 1/2 in pipe, providing a leak-resistant transition for low-lead applications.
What are the specifications of the NIBCO 771-LF 21/2 adapter?
The NIBCO 771-LF 21/2 is a low-lead cast bronze tube flange with a cup x flange connection. It fits 2 1/2 in CTS copper tube on one side and 2 1/2 in pipe on the flange side. The sweat (solder) cup end requires proper flux and heat for installation.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the NIBCO 771-LF 21/2 bronze adapter.
How to install a NIBCO bronze sweat flange adapter?
Clean the copper tube end and the cup interior with emery cloth. Apply flux, insert tube fully into the cup, then heat evenly with a torch until solder melts into the joint. Allow to cool naturally. Ensure the flange gasket is compatible with your system pressure.
Used in
Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO low-lead cast copper & bronze tube flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
