STREAMLINE Sweat Fitting Adapter: 1 1/2 in CTS x 1 1/2 in CTS, Cup x Flange
SKU 3G-OTH-475824
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Frequently Asked Questions
What is a STREAMLINE Sweat Fitting Adapter used for?
This STREAMLINE low-lead cast copper and bronze tube flange connects 1 1/2 in CTS copper tubing to flanged equipment in plumbing and HVAC systems. The cup x flange design with no center stop allows secure sweat-soldered joints for water or gas lines.
What are the specifications of the STREAMLINE W 03907NL adapter?
The STREAMLINE W 03907NL is a cup x flange sweat fitting adapter with no center stop, sized for 1 1/2 in CTS copper tube. It is made from low-lead cast copper and bronze, suitable for potable water and industrial piping applications.
Where to buy STREAMLINE W 03907NL worldwide?
3G Electric supplies the STREAMLINE W 03907NL sweat fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this low-lead cast copper flange.
How to install a STREAMLINE cup x flange sweat adapter?
Clean the 1 1/2 in CTS copper tube end and the cup interior of the STREAMLINE flange. Apply flux, insert tube fully, and heat evenly while applying solder to the joint. Allow to cool naturally. No center stop means the tube seats against the flange face.
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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.









