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NIBCO 638-3/4 Wrot Copper Cup x FTG Elbow, 3/4 in CTS - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO 638-3/4 Wrot Copper Cup x FTG Elbow, 3/4 in CTS

NIBCO Wrot Copper Tube Fittings. Specifications: Type: Cup x FTG, Wrot Copper.

SKU 3G-OTH-472618

Also listed as: 63834 · 638 3 4 · 638-3-4

Brand
NIBCO
Item
638-3/4 Wrot Copper Cup x FTG Elbow, 3/4 in CTS
Part Number
638-3/4
Category
Wrot Copper Tube Fittings
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NIBCO
Manufacturer Part Number
638-3/4
Type
Cup x FTG, Wrot Copper

Technical Documents

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

Product Description

NIBCO Wrot Copper Tube Fittings. Specifications: Type: Cup x FTG, Wrot Copper.

Frequently Asked Questions

What is a NIBCO sweat fitting elbow used for?

A NIBCO sweat fitting elbow connects copper tubing in plumbing and HVAC systems, allowing directional changes. The 3/4 in CTS cup x FTG design joins tubing on one end and fits over a pipe on the other, soldered for leak-free joints.

What are the specifications of the NIBCO 638-3/4 elbow?

The NIBCO 638-3/4 is a wrot copper sweat fitting elbow with 3/4 in CTS cup x FTG connections. It is designed for soldered installation in copper tubing systems, providing reliable flow direction changes in plumbing and heating applications.

Where to buy NIBCO sweat fitting elbows worldwide?

3G Electric supplies NIBCO sweat fitting elbows worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine NIBCO fittings like the 638-3/4 and support procurement across 14 departments.

How to install a NIBCO sweat fitting elbow?

To install a NIBCO sweat fitting elbow, clean and flux the copper tube ends and fitting cup. Assemble, heat evenly with a torch until solder melts into the joint, then cool. Ensure proper support and pressure testing after installation for leak-free performance.

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
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NIBCO Products

3G Electric supplies NIBCO wrot copper 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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