Cello
125# CTS Copper Flange - 2 Piece
- Availability:
- Usually in Stock – Ships Quickly
- Weight:
- 0.00 LBS
Description
ConnectionsTwo-Piece Flange Design
Cello 125# CTS Copper Flange
Connect copper tube to a compatible flanged piping component. Cello's 125 lb class CTS copper flange combines a copper solder connection with a two-piece flanged configuration.
The separate flange ring can be positioned for easier bolt-hole alignment with compatible valves, pumps, equipment, or piping. Choose the required nominal tube size from the product options.

Product Highlights
- 125 lb pressure class CTS copper flange.
- Copper solder connection for compatible CTS tube.
- Two-piece configuration with separate flange ring.
- Positionable ring helps simplify bolt-hole alignment.
- Transitions copper tube to compatible bolted flange connections.
- Eight nominal sizes available, from 1-1/2" through 8".
Product Specifications
| Manufacturer | Cello Products |
|---|---|
| Product Type | CTS copper flange |
| Pressure Class | 125 lb |
| Configuration | Two piece |
| Connection | CTS copper solder × flanged |
| Nominal Size Range | 1-1/2" through 8" |
Available Sizes & Item Numbers
Solder-to-Flanged Transition
The copper connection is soldered to compatible CTS copper tube. The flange ring then aligns with the mating flange for a bolted connection. Confirm tube size, mating flange compatibility, gasket requirements, and bolt pattern before installation.
Common Applications
Compatible copper water piping, mechanical rooms, pump and valve connections, HVAC and hydronic systems, and commercial or industrial equipment connections.
Selection & Ordering Notes
Select the required nominal tube size and confirm pressure, temperature, media compatibility, and applicable code requirements for the system.
Gaskets, bolts, nuts, and mating components are sold separately unless specifically stated otherwise. The selected size determines the item number and size-specific ordering information.
Product Questions
What is a CTS copper flange used for?
It provides a transition between compatible CTS copper tube and a bolted flange connection used on valves, pumps, equipment, or other flanged piping components.
What pressure class is this flange?
This listing is for the 125 lb pressure class. Confirm the applicable pressure and temperature requirements for your system before installation.
How does this flange connect to copper tube?
The copper connection is designed to be soldered to compatible CTS copper tube.
Why is this a two-piece flange?
The two-piece configuration allows the flange ring to be positioned independently, helping simplify bolt-hole alignment with the mating flange during installation.

Ask Willy
Need help selecting a Cello copper flange? Our GetPipe.com team can help confirm tube size, pressure class, connection type, mating flange compatibility, and product availability.