Midland Industries
Midland Copper Reducing Solder Joint Coupling - C x C
- Availability:
- Usually Ships in 5-7 Business Days
- Weight:
- 0.00 LBS
Description
Midland Copper Reducing Solder Joint Coupling - C x C
Midland Copper Reducing Solder Joint Couplings provide a straight inline transition between two different sizes of compatible copper tubing. These copper fittings use C x C solder-joint / sweat connections and are available in a wide range of reducing configurations from 1/4" x 1/8" through 6" x 4".
A reducing coupling combines a straight tube connection and size transition in a single fitting, helping simplify copper piping installations where the tube diameter changes along the run.
Product Highlights
- Midland copper reducing coupling
- Straight reducing fitting
- C x C connection configuration
- Cup x cup solder-joint connections
- Copper construction
- Transitions between two different tube sizes
- Sizes ranging through 6"
- 21 reducing configurations on one listing
- Suitable for compatible copper tube piping systems
- Useful for plumbing, mechanical, commercial, and industrial piping
Available Configurations
| 77290 | 1/4" x 1/8" |
|---|---|
| 77254 | 3/8" x 1/8" |
| 77257 | 1/2" x 1/8" |
| 77302 | 5/8" x 3/8" |
| 77261 | 3/4" x 5/8" |
| 77301 | 1" x 5/8" |
| 77279 | 2" x 1/2" |
| 77278 | 2" x 3/4" |
| 77369 | 2-1/2" x 1" |
| 77368 | 2-1/2" x 1-1/4" |
| 77367 | 2-1/2" x 1-1/2" |
| 77374 | 3" x 1" |
| 77373 | 3" x 1-1/4" |
| 77372 | 3" x 1-1/2" |
| 77371 | 3" x 2" |
| 77370 | 3" x 2-1/2" |
| 77377 | 4" x 2" |
| 77376 | 4" x 2-1/2" |
| 77375 | 4" x 3" |
| 77200 | 6" x 3" |
| 77199 | 6" x 4" |
Technical Specifications
| Manufacturer | Midland |
|---|---|
| Product Type | Copper Reducing Solder Joint Coupling |
| Material | Copper |
| Connection Type | C x C |
| Connection Style | Cup x Cup |
| Joining Method | Solder Joint / Sweat |
| Configuration | Straight Reducing Coupling |
| Connection Sizes | Two Different Nominal Tube Sizes |
What Is a Reducing Coupling?
A reducing coupling joins two sections of copper tubing with different nominal diameters while maintaining a straight piping run.
- Provides an inline size transition
- Connects two different nominal copper tube sizes
- Can eliminate the need for a separate reducer and coupling
- Uses solder-joint connections on both ends
- Available in both small and large-diameter configurations
Understanding the Size Description
Each variant lists two nominal tube sizes. The first dimension identifies the larger connection and the second identifies the reduced connection.
- Example: 3" x 2" transitions between 3" and 2" copper tubing.
- Example: 6" x 4" transitions between 6" and 4" copper tubing.
- Verify both dimensions before ordering.
- Do not select a reducing coupling based only on the larger size.
Reducing vs. Equal-Size Coupling
Reducing Coupling
The two connections use different nominal tube sizes, allowing the piping system to transition between diameters.
Equal-Size Coupling
Both connections use the same nominal tube size. Equal-size Midland copper couplings are maintained as separate listings.
Solder Joint Installation
- Verify both copper tube sizes before installation.
- Cut tubing squarely.
- Remove internal and external burrs.
- Clean tube ends and fitting sockets thoroughly.
- Use joining materials appropriate for the piping application.
- Insert each tube fully into its corresponding socket.
- Heat and solder using appropriate procedures.
- Allow completed connections to cool naturally.
Common Applications
Plumbing & Mechanical
- Copper water piping
- Heating systems
- Cooling systems
- Mechanical rooms
- Equipment connections
- Copper tube size transitions
Commercial & Industrial
- Facility piping systems
- Process piping
- Industrial equipment connections
- Maintenance and repair
- Copper distribution systems
- Large-diameter copper piping
How to Select the Correct Reducing Coupling
- Step 1: Identify the larger nominal copper tube size.
- Step 2: Identify the smaller nominal tube size.
- Step 3: Select the configuration matching both sizes.
- Step 4: Confirm that a straight inline reduction is required.
- Step 5: Verify solder-joint installation is appropriate for the piping system.
Complete Variant Reference
| 77290 | 1/4" x 1/8" |
|---|---|
| 77254 | 3/8" x 1/8" |
| 77257 | 1/2" x 1/8" |
| 77302 | 5/8" x 3/8" |
| 77261 | 3/4" x 5/8" |
| 77301 | 1" x 5/8" |
| 77279 | 2" x 1/2" |
| 77278 | 2" x 3/4" |
| 77369 | 2-1/2" x 1" |
| 77368 | 2-1/2" x 1-1/4" |
| 77367 | 2-1/2" x 1-1/2" |
| 77374 | 3" x 1" |
| 77373 | 3" x 1-1/4" |
| 77372 | 3" x 1-1/2" |
| 77371 | 3" x 2" |
| 77370 | 3" x 2-1/2" |
| 77377 | 4" x 2" |
| 77376 | 4" x 2-1/2" |
| 77375 | 4" x 3" |
| 77200 | 6" x 3" |
| 77199 | 6" x 4" |
Installation Guidance
- Confirm both tube sizes before beginning installation.
- Make sure each tube is inserted into the correct end of the reducing coupling.
- Clean all mating copper surfaces before soldering.
- Use appropriate flux, solder, and heating procedures.
- Support piping to minimize mechanical loading on the size transition.
- Provide adequate support for large-diameter fittings.
- Pressure-test the completed system according to applicable requirements.
Our pipe, fitting, and industrial product specialists can help review your copper tube sizes, reducing configuration, C x C connection requirements, solder-joint installation, large-diameter support needs, piping layout, and application before you order.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What is a reducing copper coupling?
A reducing coupling joins two different nominal sizes of copper tubing in a straight line.
What does C x C mean?
C x C indicates cup-style solder-joint connections on both sides of the fitting.
Are both sides the same size?
No. Every fitting on this listing is a reducing configuration with two different connection sizes.
What is the smallest configuration?
The smallest listed configuration is 1/4" x 1/8", Midland part number 77290.
What is the largest configuration?
The largest connection size is 6", with both 6" x 3" and 6" x 4" configurations available.
What size is Midland 77371?
Part number 77371 is the 3" x 2" copper reducing coupling.
What size is Midland 77199?
Part number 77199 is the 6" x 4" copper reducing coupling.
Important Ordering Notes
- This listing contains 21 Midland copper reducing coupling configurations.
- Every variant has two different connection sizes.
- Both connection dimensions should be verified before ordering.
- Equal-size couplings are maintained on separate product listings.
- Large-diameter configurations require appropriate piping support and handling.
