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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
Part Number
771-LF 21/2
Category
Low-Lead Cast Copper & Bronze Tube Flanges
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

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

Technical Documents

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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
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 flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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