
This heavy-duty anti-extrusion backup ring is precision-machined to defend primary elastomeric dynamic seals against shear damage within high-pressure reciprocating pump glands. Formed from top-tier structural polymers, its optimized cross-section completely blocks large clearance gaps, preventing dynamic seal shredding and premature tearing under intensive loading.
Designed to support structural sealing equilibrium, this component ensures absolute pressure isolation across close-coupled connection blocks, lowering facility operating costs. Its low-friction inner border slides smoothly against hardened shafts, minimizing parasitic mechanical drag and localized frictional heat build-up. This durable backup ring requires zero routine field maintenance, providing long-term 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 composition locks seals firmly into position, eliminating blowouts under high dynamic shock surges.
- Precise dimensional configuration integrates seamlessly into specialized high-pressure fluid power pump rod seal glands.
- Split or solid ring engineering removes the need for specialized assembly tools, accelerating maintenance setups.
- High-performance technical backing profile isolates pressures completely, preventing hazardous circuit leakages and costly power loss.
- Light, compact design minimizes physical friction load on flexible line arrays, enhancing overall layout longevity.
| Part No | 29385-60 |
| Product Type | RING,ANTI-EXTRUS. |
| Supplier Name | Haskel |
| Application | Dynamic anti-extrusion backing and seal stabilization in ultra-high pressure reciprocating rod glands |
| Function | Protecting primary elastomeric rod seals from extrusion into clearance gaps under severe load |
| Compatibility | Standard industrial fluid pump housings, multi-station manifold blocks, and hydraulic actuators |
| Installation Type | Internal gland assembly positioning placed axially behind the primary rubber sealing element |
| Compatible Media | Petroleum-based hydraulic mineral oils, water-glycol processing solutions, and neutral liquids |
| Material | High-grade structural virgin PTFE or premium filled technopolymer compound backing matrix |
| Operating Condition | Demanding manufacturing facilities subject to high mechanical vibrations and continuous operations |
| Performance Feature | High resistance to mechanical shear distortion balanced with low sliding friction coefficients |