11178087 Overhaul Seal Kit H1p089/100
11178087 Overhaul Seal Kit H1p089/100
Premium Danfoss 11178087 Hydraulic Seal Kit (for H1P089 & H1P100 Pumps)
TheDanfoss 11178087 Seal Kitis a comprehensive, factory-grade fluid power restoration solution engineered specifically for Danfoss H1-Series variable displacement axial piston pumps, specifically theH1P089andH1P100frames. This complete overhaulHydraulic Pump Seal Kitis critically required by hydraulic equipment rebuild facilities, heavy machinery fleet maintenance managers, and regional fluid power parts distributors who demand zero-compromise sealing integrity under extreme system pressures.
Operating at modern system pressures up to 480 bar (6,960 psi), high-cycle hydrostatic transmissions rely on flawless sealing to prevent catastrophic volumetric efficiency loss, internal cross-port leakage, and environmental oil contamination. This heavy-duty sealing kit provides an exact-fit configuration to completely rebuild the pump’s pressure boundaries, control valves, and shaft interfaces.
Critical Sealing Components Included
Every component in the11178087matrixis manufactured to strict geometric tolerances to survive the high dynamic stresses inside H1P pumps:
High-Pressure Shaft Seal:A reinforced, spring-loaded rotary lip seal engineered to handle variable housing case pressures without lip inversion or premature hardening.
Control Valve & EDC O-Rings:Micro-dimensioned seals designed for the Electrical Displacement Control (EDC) blocks, preventing control fluid bypass and maintaining precise swashplate positioning.
Housing Cradle & Interface Seals:Heavy-duty static sealing rings that lock the main pump segments together, eliminating external oil weeping and preventing environmental grit from migrating into the high-purity hydraulic fluid.
Anti-Extrusion PTFE Backup Rings:Positioned adjacent to high-pressure O-rings to absorb mechanical clearance gaps under maximum load, preventing elastomer tearing or flattening.
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