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NIBCO Sweat Fitting Adapter: 5/8 in CTS x 1/2 in Pipe, Cup x FNPT - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO Sweat Fitting Adapter: 5/8 in CTS x 1/2 in Pipe, Cup x FNPT

SKU 3G-OTH-472339

Brand
NIBCO
Item
Sweat Fitting Adapter: 5/8 in CTS x 1/2 in Pipe, Cup x FNPT
Category
Wrot Copper Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
603R 5/8x1/2
Type
Cup x FNPT, Wrot Copper
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a NIBCO sweat fitting adapter used for?

A NIBCO sweat fitting adapter connects copper tubing to threaded pipe in plumbing and HVAC systems. The 5/8 in CTS cup end solders onto tubing, while the 1/2 in FNPT end accepts male threaded fittings for a leak-tight transition.

What are the specifications of the NIBCO 603R 5/8x1/2 adapter?

This NIBCO wrot copper adapter has a 5/8 in CTS cup connection and a 1/2 in FNPT threaded end. The MPN is 603R 5/8x1/2. It is designed for sweat (solder) installation and meets standard plumbing requirements for copper tube fittings.

Where to buy NIBCO sweat fitting adapters worldwide?

3G Electric supplies NIBCO sweat fitting adapters to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine NIBCO fittings to your location. Contact us for pricing and lead time.

How to install a NIBCO sweat fitting adapter?

Clean the copper tube end and fitting cup with emery cloth. Apply flux, insert tube into the cup, and heat evenly with a torch until solder melts into the joint. Allow to cool before pressurizing. Always follow local plumbing codes and manufacturer guidelines.

Used in

Common applications for NIBCO
HVAC systems — NIBCO bronze ball valves (T58570UL series) for isolation and control in chilled water loops
Water treatment plants — NIBCO bronze gate valves (T29 series) for shut-off in filtration and distribution lines
Industrial burner systems — NIBCO brass ball valves (GB2A series) for fuel oil or gas supply lines
Chemical processing — NIBCO bronze ball valves with locking lever (T58570LL series) for safety-critical flow control
Steam systems — NIBCO bronze globe valves for throttling in low-pressure steam applications
General plumbing — NIBCO bronze ball valves (S58570 series) with sweat connections for copper piping in commercial buildings

NIBCO 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.

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