Cast Closure Rings / Back-up Rings

Cast Closure Rings

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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.

Enhance Pump Performance with Rains-Flo Cast Closure Rings

Rains-Flo Cast Closure Rings, also known as Back-up Rings, are designed to enhance pump efficiency by addressing worn or wallowed stuffing boxes. Engineered to prevent packing extrusion, these closure rings help maintain a secure seal, allowing pumps to operate smoothly even in demanding conditions. By repositioning Rains-Flo packing rings along a shaft or sleeve to a less worn area, they extend the lifespan of the packing set, reducing the need for frequent maintenance. This proactive solution minimizes downtime and enhances overall operational efficiency, ensuring long-term pump performance.

For optimal sealing performance, consider pairing Cast Closure Rings with Rains-Flo Sealing Systems to maximize protection against leaks and wear.

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