• Material: Ductile cast iron with a red protective epoxy or paint finish.
• Function: Used to join grooved-end pipes quickly with bolts and nuts without welding.
• Types: Available in flexible or rigid designs depending on whether slight pipe movement/deflection is needed.
If you'd like, let me know:
• What pipe size or diameter you are working with (e.g., 2-inch, 3-inch)
• Whether you need flexible or rigid couplings
• The application (such as fire sprinkler lines or water plumbing)