Kyusen Machinery Enterprise
A-1-26 & A-M-26,
Kompleks Industri Puchong,
No.1, Jalan TPP 1/6,
Taman Perindustrian Puchong,
47160 Puchong,
Selangor, Malaysia.
+603-8061 3524
+603-8060 3524

Darda Rock Splitters C20J

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Darda Rock Splitters C20J Rock Splitter Darda


• Easy replacement of wear parts
• Rotatable and very maneuverable
• Automatic wedge lubrication
• Multiple mounting options
• Lowest power-to-weight ratio on the market
• Use even under water

 Dimension LxWxH   Horizontal
2153 x 450 x 420 mm
 Weight 390 kg 860 lb
 Recommended carrier weight³ 11000 - 16000 lb
 Recommended Brokk machines           Brokk 300 / 500 / 520D       
Hydraulic connection
 Connection pressure, min. 2538 psi
 Connection pressure, max. 3626 psi
 Oil flow, min. - max.              7 - 27 gal/min          
 Rotary drive
 connection pressure, max.
3626 ps
 Rotary drive oil flow, max. 8 gal/min
 Operating pressure 7250 psi
Wedge set
 Wedge set length N / L 25 / 33 in
 Drillhole diameter 3 in
 Drillhole depth N / L, min. 29 / 37 in
 Splitting distance N / L 7/8 / 1 in
 Theoretical splitting force
 N / L
    3307000 - 3968000 lbf      
Darda Special Lubricant

1. Joint – horizontal and vertical operation
Connected to carrier via upper mounting plate. Its alignment is not influenced by gravity.
Precise definition of the splitting direction and the splitting course possible due to hydr.
rotary drive. Only one machine operator required.

2. 360° rotary drive
Easy positioning and setting of the splitting direction and the course of the splitting.

3. Internal pressure booster,
Full splitting force independent of the input pressure of the carrier thus always guaranteed.

4. Integrated, automatic wedge lubrication system.
Lubrication system and shut-off device guarantee lifetime and cost savings.
Factory setting allows 80 – 100 splits per filling. Lubricant quantity adjustable.
Ready for use again in the shortest possible time due to cartridge filling via rechargeable battery refill pump.

5. Length splitting insert selectable
Two possible lengths can be selected depending on the type of rock and rock composition.

6. Specially developed hardening process
Hard metal layer of the counter wedges enables the transmission of the very high forces
and provides long-lasting protection against corrosion, seizure and wear.


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