
This industrial-grade U-cup dynamic seal ring is precision-engineered to provide an absolute, leak-free fluid isolation barrier within high-pressure reciprocating pump glands. Manufactured from premium, high-density synthetic elastomers and a flexible geometric lip layout core, it handles continuous pressure spikes and severe external mechanical vibrations without physical tearing. The compound matrix expands under working pressure to create an absolute mechanical seal.
Designed to reduce system fluid loss, this compact seal ensures absolute isolation of processing media across tight connection blocks. Its space-saving layout slides smoothly against hardened piston shafts, minimizing parasitic mechanical drag and localized heat build-up. This durable seal lowers operational maintenance frequency, protects continuous machine synchronization parameters, and ensures long maintenance-free service life.
- Tough technical elastomer composition resists fatigue and cracking under continuous exposure to harsh factory operating environments.
- Flared lip geometry utilizes system pressure to increase sealing force, ensuring maximum volumetric efficiency across channels.
- Precision-engineered sealing elements prevent hazardous leaks, maintaining stable system pressure and reducing costly compressed air waste.
- Symmetrical parallel geometry configuration adapts smoothly to standard fractional plumbing systems, machinery tracks, and manifold blocks.
- Direct manual insertion into pre-formed internal grooves removes complex mounting adjustments, accelerating field replacement setups.
- Symmetrical configuration layout handles volatile kinetic energy safely, maintaining high operator safety thresholds under load.
- Fatigue-resistant polymer composition provides complete rust protection, delivering an exceptional operational service lifetime.
| Part No | 17186-11 |
| Product Type | SEAL, U-CUP |
| Supplier Name | Haskel |
| Application | Reciprocating shaft isolation and fluid containment in high-pressure hydraulic pumps |
| Function | Main high-integrity dynamic fluid separation and leakage containment along reciprocating rods via pressure-activated lip expansion |
| Compatibility | Standard industrial seal glands, high-pressure liquid cylinders, and fluid power intensifiers |
| Installation Type | Internal component gland placement positioned into matching circumferential sealing tracks |
| Compatible Media | Petroleum-based hydraulic mineral oils, water-glycol solutions, and non-hazardous technical fluids |
| Material | Premium high-density synthetic polyurethane compound with optimized low-friction anti-abrasion additives |
| Operating Condition | High-speed automation applications subject to continuous cyclic motion and tight space constraints |
| Performance Feature | High resistance to mechanical shear distortion balanced with low sliding friction coefficients |