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NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in CTS, Cup x FTG, Cast Copper (MPN U733-1/2) - Cast Copper & Bronze Tube Fittings
NIBCOCast Copper & Bronze Tube Fittings

NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in CTS, Cup x FTG, Cast Copper (MPN U733-1/2)

SKU 3G-OTH-469266

Brand
NIBCO
Item
Sweat Fitting Union: 1/2 in CTS x 1/2 in CTS, Cup x FTG, Cast Copper
Category
Cast Copper & Bronze Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
U733-1/2
Type
Cup x FTG, Cast Copper
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

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 disassembly without cutting the line. It is commonly used in plumbing, HVAC, and industrial piping systems where future maintenance or component replacement is needed.

What are the specifications of the NIBCO U733-1/2 union?

The NIBCO U733-1/2 is a cast copper sweat fitting union with a 1/2 inch CTS cup x FTG connection. It is designed for soldered installation and provides a reliable, leak-resistant joint in copper tubing systems.

Where to buy NIBCO U733-1/2 union worldwide?

3G Electric supplies the NIBCO U733-1/2 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.

How to install a NIBCO sweat fitting union?

Clean and flux the pipe ends and fitting cups. Assemble the union with the nut hand-tight, then solder the cup ends using lead-free solder and a torch. Allow to cool before pressurizing. Always follow local plumbing codes for safe installation.

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 cast copper & bronze 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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