STREAMLINE Sweat Fitting Adapter: 5 in CTS x 5 in CTS, Cup x Flange, No Center Stop
SKU 3G-OTH-475828
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Frequently Asked Questions
What is a STREAMLINE Sweat Fitting Adapter used for?
This STREAMLINE adapter connects copper tubing to flanged equipment in plumbing and HVAC systems. The cup end accepts 5-inch CTS copper pipe for soldering, while the flange end bolts to pumps, valves, or tanks. It is commonly used in commercial water distribution and industrial process lines.
What are the specifications of the STREAMLINE W 03890NL adapter?
The STREAMLINE W 03890NL is a wrot copper sweat fitting adapter with a 5-inch CTS cup x 5-inch CTS flange connection. It has no center stop and is designed for low-lead cast copper and bronze tube flange applications. The manufacturer part number is W 03890NL.
Where to buy STREAMLINE W 03890NL worldwide?
3G Electric supplies the STREAMLINE W 03890NL sweat fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this low-lead copper flange adapter.
How to install a STREAMLINE cup x flange adapter?
Clean the 5-inch CTS copper tube and the cup end of the adapter. Apply flux, insert the tube fully, and heat evenly while feeding solder into the joint. For the flange side, use gaskets and bolts to secure to the mating equipment. Follow standard copper sweat fitting practices.
Used in
Common applications for STREAMLINESTREAMLINE Products
3G Electric supplies STREAMLINE 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.









