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NIBCO 771-LF 21/2 Low-Lead Cast Bronze Tube Flange - Low-Lead Cast Copper & Bronze Tube Flanges
NIBCOLow-Lead Cast Copper & Bronze Tube Flanges

NIBCO 771-LF 21/2 Low-Lead Cast Bronze Tube Flange

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

SKU 3G-OTH-475812

Also listed as: 771LF212 · 771 LF 21 2 · 771-LF-21-2

Brand
NIBCO
Item
771-LF 21/2 Low-Lead Cast Bronze Tube Flange
Category
Low-Lead Cast Copper & Bronze Tube Flanges
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NIBCO
Manufacturer Part Number
771-LF 21/2
Type
Cup x Flange, Bronze

Technical Documents

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

Product Description

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

Frequently Asked Questions

What is a NIBCO sweat fitting adapter used for?

A NIBCO sweat fitting adapter connects copper tubing to flanged equipment in plumbing and HVAC systems. This bronze cup x flange adapter joins 2 1/2 in CTS tube to 2 1/2 in pipe, providing a leak-resistant transition for low-lead applications.

What are the specifications of the NIBCO 771-LF 21/2 adapter?

The NIBCO 771-LF 21/2 is a low-lead cast bronze tube flange with a cup x flange connection. It fits 2 1/2 in CTS copper tube on one side and 2 1/2 in pipe on the flange side. The sweat (solder) cup end requires proper flux and heat for installation.

Where to buy NIBCO sweat fitting adapters worldwide?

3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the NIBCO 771-LF 21/2 bronze adapter.

How to install a NIBCO bronze sweat flange adapter?

Clean the copper tube end and the cup interior with emery cloth. Apply flux, insert tube fully into the cup, then heat evenly with a torch until solder melts into the joint. Allow to cool naturally. Ensure the flange gasket is compatible with your system pressure.

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 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.

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