Cast Closure Rings / Back-up Rings
Cast Closure Rings
Also known as Back-up Rings, Cast Closure Rings give a temporary fix to a stuffing box in need, minimizing downtime for your pump.
- Inhibit packing extrusion.
- Allow your pump to operate while the stuffing box is worn or wallowed.
- Quick and easy installation.
- Available in both split and pinned designs.
Used to relocate Rains-Flo packing rings along a worn shaft/sleeve to a less worn area. The Rains-Flo Cast Closure Ring will extend the life of a packing set.