54048

This precision-machined inner backup ring is engineered to prevent the extrusion of primary elastomeric seals within high-pressure plunger blocks. Manufactured from premium, high-strength technical polymers, its robust anti-extrusion cross-section handles extreme lateral clearances and intense pressure shifts safely. The perfectly flat geometric face ensures uniform support distribution across the dynamic sealing lip.

Designed for direct integration over 3/4-inch diameter high-pressure plunger assemblies, this component eliminates performance-limiting seal shredding and premature circuit leak failures. Its low-friction inner border slides smoothly against hardened shafts, minimizing parasitic drag and heat build-up. This durable backup ring requires zero field maintenance, driving high process reliability and extensive service life.

• High-strength composite body defends against physical deformation and environmental stress cracking on high-speed machinery.
• Smooth parallel geometry profile provides perfectly uniform contact pressure to optimize primary seal element life.
• Premium anti-extrusion composition locks seals firmly into position, eliminating blowouts under high dynamic shock surges.
• Precise 3/4-inch dimensional sizing integrates seamlessly into standardized high-pressure fluid power pump plunger heads.
• Split or solid ring engineering removes the need for specialized assembly tools, accelerating maintenance setups.
• Advanced internal contour blocks airborne contaminants, keeping automation system parameters predictable and safe across loops.
• Light, compact design minimizes physical friction load on flexible line arrays, enhancing overall layout longevity.