Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
NIBCO 771-LF 6 Low-Lead Bronze Tube Flange, 6 in CTS Cup x 6 in Pipe Flange - Low-Lead Cast Copper & Bronze Tube Flanges
NIBCOLow-Lead Cast Copper & Bronze Tube Flanges

NIBCO 771-LF 6 Low-Lead Bronze Tube Flange, 6 in CTS Cup x 6 in Pipe Flange

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

SKU 3G-OTH-475822

Also listed as: 771LF6 · 771 LF 6 · 771-LF-6

Brand
NIBCO
Item
771-LF 6 Low-Lead Bronze Tube Flange, 6 in CTS Cup x 6 in Pipe Flange
Part Number
771-LF 6
Category
Low-Lead Cast Copper & Bronze Tube Flanges
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NIBCO
Manufacturer Part Number
771-LF 6
Type
Cup x Flange, Bronze

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 NIBCO 771-LF 6 sweat fitting adapter used for?

The NIBCO 771-LF 6 is a low-lead bronze tube flange used to connect 6-inch CTS copper tube to 6-inch pipe in plumbing and industrial piping systems. It provides a secure, leak-resistant joint for water, gas, or steam lines where a flanged connection is required.

What are the specifications of NIBCO 771-LF 6?

The NIBCO 771-LF 6 is a cup x flange bronze adapter for 6-inch CTS copper tube to 6-inch pipe. It is made from low-lead cast copper and bronze, with manufacturer part number 771-LF 6. This sweat fitting is designed for brazed or soldered connections in commercial and industrial applications.

Where to buy NIBCO 771-LF 6 worldwide?

3G Electric supplies the NIBCO 771-LF 6 bronze tube flange to customers 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 this low-lead cast copper fitting.

How to install NIBCO 771-LF 6 sweat fitting?

To install the NIBCO 771-LF 6, clean the 6-inch CTS copper tube end and the cup interior with emery cloth. Apply flux, insert tube fully into cup, then heat evenly with a torch until solder melts into joint. Allow to cool naturally before pressurizing the system.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from NIBCO

View all NIBCO parts
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
NIBCO
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
This low-lead cast bronze tube flange connects 3-inch CTS copper tube to a 3-inch pipe flange via a cup x flange connection. Suitable for use in potable water and hydronic heating systems, it provides a secure joint for plumbing applications
NIBCO
This low-lead cast bronze tube flange connects 3-inch CTS copper tube to a 3-inch pipe flange via a cup x flange connection. Suitable for use in potable water and hydronic heating systems, it provides a secure joint for plumbing applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first