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HB18G Hydraulic Breaker Seal Kits

HB18G Hydraulic Breaker Seal Kits

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FEATURES

Item

Specification

Chisel Diameter

75mm

Chisel Length

650mm

Chisel Weight

20kg

Body Weight (Including Chisel)

≤180kg

Rated Operating Pressure

8-12 MPa

Operating Pressure

14-18 MPa (2030-2610 PSI)

Oil Flow

30-50 L/min

Impact Frequency

800-1200 bpm

 Hose I.D. (OUT/IN)

12mm

Carrier Range

2.0-4.0 ton

HB18G Breaker Seal Kit Components

hb18g hydraulic breaker seal kits-2

Additional Notes

  • This HB18G is a small-tonnage hydraulic breaker seal kit, not a large-tonnage rod pin/breaker accessory. It is a completely different product from the previously mentioned large-tonnage HB18G parts, so please confirm the product purpose carefully before selection.
  • This model is only compatible with 2.0-4.0 ton mini excavators. Using it on machines over 4.0 tons will result in insufficient striking force, accelerated component wear, or even equipment failure.
  • Rated operating pressure: 8-12 MPa; actual working pressure must not exceed 18 MPa. Overpressure operation will accelerate seal aging and cause oil leakage.Hydraulic flow must be controlled within 30-50 L/min. Too low flow reduces impact frequency, while too high flow increases wear on the cylinder and piston.
  • Inspect seal condition every 500-800 working hours. Replace the entire seal kit immediately if oil seepage, bulging, or wear is found to prevent single-point failures from spreading.
  • Ensure uniform assembly clearance during installation. Avoid hard hammering on the chisel or seal components to prevent deformation and reduced performance.

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