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HB30G Hydraulic Breaker Seal Kits

HB30G Hydraulic Breaker Seal Kits

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FEATURES

Item

Specification

Chisel Diameter

155mm (range: 150-160mm)

Chisel Length

1250mm (effective length: 1220mm)

Chisel Weight

120kg (naked) / 123kg (with connector)

Body Weight (Including Chisel)

≤2800kg (side type: 2680kg / top type: 2790kg)

Rated Operating Pressure

18-22 MPa (2610-3190 PSI)

Operating Pressure

14-18 MPa (2030-2610 PSI)

Oil Flow

180-230 L/min (mainstream recommended: 200-220 L/min)

Impact Frequency

 250-400 bpm (recommended for operation: 300-350 bpm)

 Hose I.D. (OUT/IN)

25mm (1 inch)

Carrier Range

28-38 ton (mainstream compatible: 30-35 ton excavators)  

HB30G Breaker Seal Kit Components

hb30g hydraulic breaker seal kits-2

Additional Notes

  • Rated operating pressure is 18-21 MPa; actual working pressure must not exceed 22 MPa. Overpressure operation will accelerate seal aging and cause oil leakage.Hydraulic flow must be controlled within 180-230 L/min. Too low flow reduces impact frequency, while too high flow increases wear on the cylinder and piston.
  • Inspect seal condition every 800-1200 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.
  • The accumulator nitrogen charging pressure is 10-12 kgf/cm². Overcharging will cause equipment damage and safety accidents, while undercharging will reduce striking efficiency.

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