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NIBCO Sweat Fitting Union: 2 1/2 in CTS x 2 1/2 in CTS, Cup x FTG, Cast Copper (MPN 733) - Cast Copper & Bronze Tube Fittings
NIBCOCast Copper & Bronze Tube Fittings

NIBCO Sweat Fitting Union: 2 1/2 in CTS x 2 1/2 in CTS, Cup x FTG, Cast Copper (MPN 733)

SKU 3G-OTH-469328

Brand
NIBCO
Item
Sweat Fitting Union: 2 1/2 in CTS x 2 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
733
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 joins two copper pipes in a way that allows disconnection without cutting the line. It is used in plumbing, HVAC, and industrial piping systems where maintenance or future access is needed. The cup x FTG design simplifies soldering and alignment.

What are the specifications of the NIBCO 733 union?

The NIBCO 733 is a 2 1/2 in CTS x 2 1/2 in CTS cast copper sweat fitting union with a cup x FTG connection type. It is designed for soldered installation in copper tubing systems. The cast copper construction provides durability in industrial and commercial applications.

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 733 or other cast copper fittings.

How to install a NIBCO sweat fitting union?

Clean the pipe ends and fitting cups with emery cloth, apply flux, then heat the fitting evenly until solder melts into the joint. Allow to cool without disturbing. The union nut allows future disconnection. Always follow local plumbing codes and use proper safety gear.

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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