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 C20 C

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Darda Rock Splitters C20 C  Rock Splitter Darda


• Small carriers
• Best power-to-weight ratio
• Low vibration and dust almost noiseless
• Economical and safe
• Accurate splitting
• Can be used under water

 Dimension LxWxH   1720 x 305 x 394 mm
 Weight 300 kg 660 lb
 Recommended carrier weight³ 5 - 7 t
 Recommended Brokk machines          Brokk 300 / 500 / 520D       
Hydraulic connection
 Connection pressure, min. 17.5 MPa (175 bar)
 Connection pressure, max. 25 MPa (250 bar)
 Oil flow, min. - max.              25 - 100 l/min          
 Rotary drive
 connection pressure, max.
25 MPa (250 bar)
 Rotary drive oil flow, max. 30 l/min
 Operating pressure 50 MPa (500 bar)
Wedge set
 Wedge set length N / L 640 / 840 mm
 Drillhole diameter 76 mm
 Drillhole depth N / L, min.   750 / 950 mm  
 Splitting distance N / L 22 / 25 mm
 Theoretical splitting force
 N / L
           1500 / 1800 t           
Darda Special Lubricant

1. Chain – vertical operation
Chain-suspended from carrier machine. Can be attached to almost any hydraulic boom by chain suspension, which makes it very flexible. Direction constant according to the force of gravity. Definition of the splitting direction and the splitting course by second operator.

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

3. Integrated, automatic wedge lubrication systemLubrication 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.

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

5. 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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