29385-35

This precision-machined anti-extrusion rod backup ring is engineered to safeguard 35-series primary elastomeric rod seals from damage within high-pressure reciprocating pump blocks. Machined 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 rod sealing lip.

Designed to reduce system plumbing failures, this component eliminates performance-limiting seal shredding and premature localized fluid pressure leaks. Its low-friction inner border slides smoothly against hardened reciprocating shafts, minimizing parasitic mechanical drag and localized heat build-up. This durable backup ring requires virtually zero routine field maintenance, providing long-term operational reliability across automated networks.

• 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.
• Advanced anti-extrusion engineering eliminates fluid bypass leaks, protecting operating pressures and lowering energy waste.
• Precise dimensional configuration integrates seamlessly into specialized 35-series fluid pump rod seal glands.
• Split or solid ring engineering removes the need for specialized assembly tools, accelerating maintenance setups.
• High-grade internal gaskets isolate pressures securely from atmosphere, keeping automation system parameters predictable and safe across loops.
• Ultra-light integrated body minimizes structural gravity load on flexible lines, reinforcing overall machine routing system durability.