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- About CDA
Tube, Pipe & Fittings
- Overview
- Key Copper Benefits
- TechCorner
- Copper Piping Systems and Acoustical Sealants
- Soldering and Brazing Explained
- Can Copper Tube Be Used in Steam and Steam Condensate Piping Systems?
- How to Prevent Corrosion of Copper Tube in Underground or Buried Applications
- Is It True That Electrolysis Can Cause My Copper Tube To Fail?
- Corrosion of Mixed Metal Fire Sprinkler Systems
- Why Do I Have Blue/Green Staining Of My Bathroom Fixtures
- Is There A Problem With Embedding Copper Tube In Concrete?
- Designing and Installing Copper Piping Systems
- Glossary of Technical Terms
- Copper Piping Systems and Acoustical Sealants
- Project Managers
- DIY: Do It Proper With Copper Video Series
- Applications
- Resources & Tools
- Benefits of Copper Plumbing
- Best Buy in Plumbing
- Working with Plumbing Subcontractors: Doing Your Homework
- Homebuyers Prefer Copper
- Installation Support
- Working with Plumbing Subcontractors: Problem Solving
- Working with Plumbing Subcontractors: Running the Job
- Selling with Copper: Showcasing Your Copper
- Selling to the Residential Market
- Selling with Copper
- Working with Plumbing Subcontractors: Role in Your Business
- Builder Satisfaction Program
- Copper Brochures
- Why Your Builder Chose Solid Brass Hardware
- Why Your Builder Chose Solid Brass Plumbing Fixtures
- Why Your Builder Chose Copper Communications Wiring
- Why Your Builder Chose Copper Flashing
- Why Your Builder Chose Copper Plumbing
- Why Your Builder Chose All Copper Wiring
- Why Your Builder Chose Flexible Copper Tube for Gas Distribution
- Why Choose Copper Plumbing
- Consumer Frequently Asked Questions (FAQs)
- Manufacturer's 50-Year Warranty
- Benefits of Copper Plumbing
- Installing Copper Piping Systems
- Technical References
- Guide Specifications on Plumbing
- Copper Tube Handbook
- Standard Tubes
- Selecting the Right Tube for the Job
- Design and Installation Data
- Technical Data
- Bending
- Joining Methods
- Fittings, Solders, Fluxes
- Soldered Joints
- Brazed Joints
- Flared Joints
- Roll Groove Joints
- Press-connect Joints
- Push-connect Joints
- Mechanically Formed Extruded Outlets
- Appendix - Organizations Listing
- Tube Handbook - Desktop App
- Soldering Procedure Specification
- Brazing Procedure Specifications
- Chillers
- Fire Sprinkler Systems Application Handbook
- How Copper Tube is Certified
- Lead Free Requirements of Safe Drinking Water Act
- Copper & Copper Alloy Tube, Pipe & Fittings Standards
- HVAC/R
- Copper DX Geothermal Heat Pumps
Push-connect Joints
Like the press-connect joining method, the push-connect joining of copper and copper alloy tube is fast, economical and, also, requires no heat or open flame. However, unlike most other joining methods, no additional tools, special fuel gases or electrical power are required for installation.
Push-connect joining utilizes an integral elastomeric gasket or seal (such as EPDM) and stainless steel grab ring to produce a strong, leak-free joint. Typical ranges of pressure-temperature ratings for these no-flame joints are found in Table 4b.
There are two common types of push-connect fittings. Both create strong, permanent joints however one allows for easy removal after installation (Figure 62) to allow for equipment service, while the second type (Figure 63) cannot be easily removed once the fitting is installed.
Figure 62. Removable push-connect fitting
Figure 63. Permanent push-connect fitting
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