NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in Pipe, Cup x MNPT, Cast Copper (MPN U7334-1/2)
SKU 3G-OTH-469273
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects two copper pipes or a pipe to a threaded component, allowing easy disassembly for maintenance. It is commonly used in plumbing, HVAC, and industrial piping systems where reliable, leak-free joints are required.
What are the specifications of the NIBCO U7334-1/2 union?
The NIBCO U7334-1/2 is a cast copper sweat fitting union with a 1/2 inch CTS cup on one end and a 1/2 inch male NPT thread on the other. It is designed for soldered connections and provides a durable, corrosion-resistant joint in copper piping systems.
Where to buy NIBCO U7334-1/2 union worldwide?
3G Electric supplies the NIBCO U7334-1/2 union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this cast copper sweat fitting union.
How to install a NIBCO sweat fitting union?
Clean and flux the copper tube and fitting cup. Insert the tube into the cup end, then heat the joint evenly with a torch until solder melts into the gap. For the threaded end, apply pipe thread sealant and tighten to the male NPT connection. Allow to cool before pressurizing.
Used in
Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









