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NIBCO 771-LF 11/4 Low-Lead Bronze Cup x Flange Tube Adapter - Low-Lead Cast Copper & Bronze Tube Flanges
NIBCOLow-Lead Cast Copper & Bronze Tube Flanges

NIBCO 771-LF 11/4 Low-Lead Bronze Cup x Flange Tube Adapter

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

SKU 3G-OTH-475830

Also listed as: 771LF114 · 771 LF 11 4 · 771-LF-11-4

Brand
NIBCO
Item
771-LF 11/4 Low-Lead Bronze Cup x Flange Tube Adapter
Part Number
771-LF 11/4
Category
Low-Lead Cast Copper & Bronze Tube Flanges
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Technical Specifications

NIBCO
Manufacturer Part Number
771-LF 11/4
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 1 1/4 in CTS tube to 1 1/4 in pipe, providing a leak-resistant transition for water or gas lines.

What are the specifications of the NIBCO 771-LF 11/4 adapter?

The NIBCO 771-LF 11/4 is a low-lead bronze sweat fitting adapter with cup x flange connections. It fits 1 1/4 in CTS copper tube on one side and 1 1/4 in pipe on the flange side. The bronze construction resists corrosion in potable water systems.

Where to buy NIBCO sweat fittings in worldwide?

3G Electric supplies NIBCO sweat fittings like the 771-LF 11/4 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact our team to source this bronze adapter for your plumbing or HVAC project.

How to install a NIBCO cup x flange adapter?

Clean the copper tube end and apply flux. Heat the cup evenly until solder melts into the joint. For the flange side, bolt to the mating flange with a gasket. Use low-lead solder for potable water systems. 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 flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This low-lead cast copper and bronze tube flange features a cup x flange connection, designed for sweat/solder installation. It connects 1 in CTS copper tube to 1 in pipe, suitable for use in plumbing and HVAC systems for potable water, hydronic heating, and industrial fluid handling
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This low-lead cast copper and bronze tube flange features a cup x flange connection, designed for sweat/solder installation. It connects 1 in CTS copper tube to 1 in pipe, suitable for use in plumbing and HVAC systems for potable water, hydronic heating, and industrial fluid handling
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