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SANY Genuine Excavator Hydraulic Piston Seal 60065249 - Cylinder Bore Glyd Ring

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  2. SANY Genuine Excavator Hydraulic Piston Seal 60065249 - Cylinder Bore Glyd Ring
SANY Genuine Excavator Hydraulic Piston Seal 60065249 - Cylinder Bore Glyd Ring

Buy genuine SANY 60065249 piston seal (STD Glyd Ring combination). Premium PTFE slide ring & NBR O-ring engineered for 32MPa bi-directional high-pressure sealing. Eliminates cylinder internal leakage, boom drifting, and arm drifting on SANY SY55C, SY65C, SY75C, SY95C excavators.

Genuine SANY 60065249 Piston Seal (Glyd Ring)

1. Technical Specifications & Part Profile

Official Part Number60065249
Industry DesignationPiston Seal / Piston Glyd Ring (STD Combination)
Structural CompositionPTFE Wear-Resistant Slide Ring + NBR Energizing O-Ring

This component manages internal fluid isolation on the piston head. For a complete cylinder overhaul, the following matrix applies:

  • Intra-Chamber Piston Sealing: 60065249 (This Product)

  • Rod-End Gland Sealing: 60065343 (Dust Wiper) + 60065358 (Buffer) + 60065345 (Primary Seal)

2. Operating Parameters

  • Working Pressure: Rated up to 32 MPa; bi-directional reciprocating stability.

  • Thermal Endurance: -30°C to +100°C.

  • Material Mechanics: PTFE ensures low friction/high wear resistance; NBR O-ring provides constant radial energizing force.

3. Functional Mechanics

Seated within the piston head assembly to ride against the cylinder bore:

  • Bi-Directional Isolation: Prevents fluid bypass between the rod-side and blank-side chambers.

  • Internal Leakage Correction: Fixes cylinder drifting, mid-arm stalling, and loss of actuation speed.

  • Bore Preservation: Self-lubricating PTFE suppresses groaning and frictional heat buildup.

  • Wear Compensation: Inner NBR ring maintains a tight seal despite long-term material wear.

4. Equipment Application

Calibrated for Boom, Arm, and Bucket cylinders on SANY Mini Excavators:

  • Series: SY55C / SY60C / SY65C / SY75C / SY95C (-9 and -10 models)

5. Diagnostics & Thresholds

Replacement is required if:

The machine shows sluggish cycle times, loss of breakout force, or structural drifting. If the PTFE ring shows chipping, flattening, or if the O-ring has hardened, a full piston and rod seal renewal is mandatory to prevent secondary downtime.

6. Genuine vs. Aftermarket

Genuine SANY 60065249 seals feature laser-etched part numbers and burr-free PTFE edges. Avoid aftermarket alternatives, which often use brittle compounds that fracture under peak load, leading to rapid loss of digging force.

Technical Support: Xuzhou Sinoswift Import & Export Co., Ltd. | Email: [email protected]

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