NIBCO Sweat Fitting Union: 3/8 in CTS x 3/8 in CTS, Cup x Cup, Wrot Copper (MPN 633W 3/8)
SKU 3G-OTH-472656
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Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects two copper pipes in a way that allows easy disassembly for maintenance or repair. 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 633W 3/8 union?
The NIBCO 633W 3/8 is a wrot copper sweat fitting union with cup x cup connections. It fits 3/8 inch CTS (copper tube size) on both ends. The manufacturer part number is 633W 3/8, and it is designed for soldered installation.
Where to buy NIBCO sweat fitting unions worldwide?
3G Electric supplies NIBCO sweat fitting unions worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the NIBCO 633W 3/8 union.
How to install a NIBCO sweat fitting union?
To install a NIBCO sweat fitting union, clean and flux the pipe ends and cup interiors. Assemble the union with the nut hand-tight, then apply heat evenly with a torch until solder flows into the joint. Allow to cool before pressurizing the system.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
