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NIBCO 733-LF 3 Low-Lead Cast Bronze Sweat Fitting Union, 3 in CTS Cup x FTG - Low-Lead Cast Copper & Bronze Tube Fittings
NIBCOLow-Lead Cast Copper & Bronze Tube Fittings

NIBCO 733-LF 3 Low-Lead Cast Bronze Sweat Fitting Union, 3 in CTS Cup x FTG

NIBCO Low-Lead Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x FTG, Bronze.

SKU 3G-OTH-485682

Also listed as: 733LF3 · 733 LF 3 · 733-LF-3

Brand
NIBCO
Item
733-LF 3 Low-Lead Cast Bronze Sweat Fitting Union, 3 in CTS Cup x FTG
Part Number
733-LF 3
Category
Low-Lead Cast Copper & Bronze Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
733-LF 3
Type
Cup x FTG, Bronze

Technical Documents

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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

NIBCO Low-Lead Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x FTG, Bronze.

Frequently Asked Questions

What is a NIBCO sweat fitting union used for?

A NIBCO sweat fitting union connects two copper pipes in plumbing and HVAC systems, allowing easy disconnection for maintenance. This 3-inch CTS bronze union with cup x FTG ends is ideal for potable water lines where low-lead compliance is required.

What are the specifications of the NIBCO 733-LF 3 union?

The NIBCO 733-LF 3 is a low-lead cast bronze sweat fitting union for 3-inch CTS copper tubing. It features a cup x FTG (female thread) connection type and is manufactured under part number 733-LF 3. The bronze construction ensures corrosion resistance in water systems.

Where to buy NIBCO 733-LF 3 union worldwide?

3G Electric supplies the NIBCO 733-LF 3 union to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this low-lead bronze fitting.

How to install a NIBCO sweat fitting union?

To install a NIBCO sweat union, clean and flux the pipe ends and fitting cup. Heat the joint evenly with a torch until solder melts into the gap, then allow to cool. For the threaded end, apply pipe thread sealant and tighten securely. Always follow local plumbing codes.

Used in

Common applications for NIBCO
Water treatment — NIBCO PVDF Schedule 80 blind flanges (6519-H series) for sealing pipe ends in chemical dosing lines
HVAC systems — NIBCO bronze ball valves (T58570-1/4) for isolation of small-diameter water lines
Industrial process piping — NIBCO ductile iron gate valves (F619RW series) for general isolation on 6-inch and 8-inch flanged headers
Chemical plants — NIBCO UV-resistant PVDF companion flanges (6551-H series) for outdoor corrosive fluid transfer
Power generation — NIBCO Class 125 ductile iron gate valves for cooling water and neutral fluid isolation
Outdoor piping — NIBCO Schedule 80 PVDF flanges for UV-exposed water and wastewater lines
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NIBCO Products

3G Electric supplies NIBCO low-lead 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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