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Nibco, Inc.
Nibco, Inc. U638 3/4" Copper Return Bend trap
A copper return bend for 3/4 in tube with C x C connections, rated to 582 psi at 100 degrees F and -20 to 400 degrees F
- TypeDrain Components
- Wrot copper construction resists corrosion
- C x C solder joints create leak-free connections
- Rated to 582 psi at 100°F for high-pressure confidence
- Operates from -20°F to 400°F across wide temperature range
- Meets ASME/ANSI B16.22 standard for code compliance
Copper Return Bend for 3/4" Tube
This wrot copper fitting connects two 3/4 inch nominal tubes using a C x C sweat joint. The outside diameter measures 7/8 inch and the component meets ASME/ANSI B16.22 standards for pressure fittings. It suits residential and light commercial plumbing installations.
Fits standard copper pipe assemblies
The sweat connection requires flux and solder to form a permanent, leak-free joint. No threading, flanging or mechanical crimp tools are needed, freeing the installer from specialised press equipment. The compact bend radius allows routing in tight stud bays or joist spaces.
Withstands sustained pressure and temperature
Rated for 582 psi at 100 °F, the fitting maintains integrity across a continuous range of -20 °F to 400 °F. Copper construction resists corrosion and scaling during long-term hot-water or hydronic heating service. The joint strength remains stable through repeated thermal cycling.
Highlights
- Wrot copper construction resists corrosion
- C x C solder joints create leak-free connections
- Rated to 582 psi at 100°F for high-pressure confidence
- Operates from -20°F to 400°F across wide temperature range
- Meets ASME/ANSI B16.22 standard for code compliance
Specifications
| Type | Drain Components |
|---|---|
| Brand | Nibco |
| Model | U638 3/4 |
Questions about this item
What is the maximum working pressure this copper return bend can handle at 100 degrees Fahrenheit?
The fitting is rated for a maximum pressure of 582 psi at 100 degrees Fahrenheit, suitable for high-pressure plumbing installations.
How much heat can this wrot copper fitting withstand during continuous operation?
It operates across a temperature range of -20 degrees to 400 degrees Fahrenheit, maintaining integrity in both freezing and high-heat conditions.
Which piping material and connection method are required to install this C x C return bend?
You need 3/4 inch nominal copper tube with an outside diameter of 7/8 inch, joined by soldering to the fitting's copper-to-copper ends.
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