Darda ROCK SPLITTERS
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Applications |
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Demolition of concrete and reinforced concrete |
Demolition of rock and natural stone |
Block quarrying in the natural stone industry |
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How They Work
Phase 1, First, a hole of a precise diameter and depth is drilled into the material. The wedge set (one wedge and two counter wedges) is inserted into the drill-hole.
Phase 2, The wedge is driven forward under hydraulic pressure, forcing the counter wedges apart with a force of up to 400 tons. The material splits within seconds.
Phase 3, With enlarging counter wedges the split can be expanded to its maximum width. Reinforcing rods break or can be cut up with a suitable power tool, e.g. the Darda HCS 6 Combi- Shears.
The power from within
The stone and concrete splitting cylinder functions according to the proven wedge principle, whereby a strong force is applied in an extremely constricted space (from within). Rock and concrete put up considerable resistance to forces applied externally. As a result, conventional demolition methods such as hydraulic chisels or crushers are unable to demolish these materials with any worthwhile degree of control or precision. By comparison, the resistance of stone and concrete to force applied internally is 90% less, with the result that they disintegrate relatively easily.
The right combination for every job
Hydraulic power units with a variety of drive systems are available for different applications and requirements. They can produce up to 50 MPa (500 bar) maximum system pressure. All of our splitting cylinders can be combined with each of our power units. The high-quality hydraulic hose sets are designed for the strong pulsating pressures.
Gas Powered Rock Splitting Tool Assemblies
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Powered by 3.75 HP Briggs & Stratton Engine (5 Gal. Pump) |
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| D01-12 | Size 12 Darda Splitter -Complete Unit | $21,060.00  |
| D01-9 | Size 9 Darda Splitter - Complete Unit | $18,910.00 |
| D01-2 | Size 2 Darda Splitter - Complete Unit | $17,360.00 |
| D01 | Hydraulic Power Unit Only, 3.75 Hp Briggs & Stratton Gas Engine, 5 gal. Reservoir | $4,150.00 |
| Specifications | ||
Air Powered Rock Splitting Tool Assemblies
| Powered by 3 HP Air Motor, Large Reservoir (5 Gal. Pump) | ||
| D02-12 | $21,610.00 |
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| D02-9 | Size 9 Darda Splitter - Complete Unit | $19,490.00 |
| D02-2 | Size 2 Darda Splitter - Complete Unit | $17,950.00 |
| D02 |
Hydraulic Power Unit Only, 3 Hp Air Motor, 50-80 CFM at 100 PSI, 5 Gal Reservoir |
$4,760.00 |
Electric Powered Rock Splitting Tool Assemblies
| Powered by 1.5 HP Electric Motor, Single Phase, 60 cy, 3450 RPM 110/220V, (5 Gal. Pump) |
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| D03-12 | $21,400.00 |
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| D03-9 | $19,270.00 |
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| D03-2 | $17,720.00 |
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| D03 | Hydraulic Power Unit Only, 1.5 Hp Electric Motor Single Phase 10/220 volts, 5 Gal Reservoir | $4,520.00 |
All Splitting Assemblies Include Splitting Cylinder, Hydraulic Power Unit, 1 Pr. High & Low
Pressure 30' Hose with Quick-Connect Couplings and Covers, 1/2 Pint Lubricant and
Operating Instruction Manual. Units shipped dry.
Dadra Rock & Concrete Splitting Cylinders
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Rock & Concrete Splitting Cylinders (No Power Pack) Includes Plug, Feathers, Whips, Quick-Connect Couplings & Covers |
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| D00-12 | Darda Splitting Cylinder, Size 12 | $16,500.00 |
| D00-9 | Darda Splitting Cylinder, Size 9 | $14,120.00 |
| D00-2 | Darda Splitting Cylinder, Size 2 | $12,570.00 |
Block ManifoldsUsed to run multiple cylinders on one power pack
Shipped complete
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| D016-13 | Flow Distribution Bar for 2 Cylinders - includes 2 sets of 10' high and low pressure hoses, quick-connect couplings with covers and fittings | $1,610.00 |
| D016-14 | Flow Distribution Bar for 3 Cylinders - includes 3 sets of 10' high and low pressure hoses, quick-connect couplings with covers and fittings | $2,080.00 |
| D016-15 | Flow Distribution Bar for 4 Cylinders - includes 4 sets of 10' high and low pressure hoses, quick-connect couplings with covers and fittings | $2,560.00 |
Plugs and Feathers |
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| D010-2 | Plug, Size 2 | $428.00 |
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| D010-3 | Plug, Size 3 | $526.00 |
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| D010-7 | Plug, Size 7 | $708.00 |
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| D010-8 | Plug, Size 8 | $748.00 |
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| D010-9 | Plug, Size 9 | $688.00 |
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| D010-12 | Plug, Size 12 | $750.00 |
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| D011-2 | Feather, Size 2 | $452.00 |
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| D011-3 | Feather, Size 3 | $554.00 |
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| D011-7 | Feather, Size 7 | $722.00 |
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| D011-812 | Feather, Size 8 11 & 12 | $756.00 |
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| D011-9 | Feather, Size 9 | $722.00 |
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| D011-73 | Enlarging Feather, Size 7 | $708.00 |
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| D011-8123 | Enlarging Feather, Size 8 & 12 | $764.00 |
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| D011-93 | Enlarging Feather, Size 9 | $690.00 |
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LUBRICANTS |
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| D00-HPT | Plug & Feather Lubricant - 1/2 pint can | $24.50 |
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| D00-PT | Plug & Feather Lubricant - 1 pint can | $48.00 |
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| D014-3 | Plug & Feather Lubricant - Case of 12-1/2 pint cans | $246.00 |
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| D014-4 | Plug & Feather Lubricant - Case of 12-1 pint cans | $480.00 |
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| DARDA-OIL | Aero HFA Fluid - 5 Gallons | $235.00 |
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50' Extension Hoses (1 set requires all items below) |
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| D016-20 | 30' High Pressure Hose (Standard) - Couplings not included | $539.00 |
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| D016-21 | 30' Low Pressure Hose (Standard) - Couplings not included | $198.00 |
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| D016-50 | 50' High Pressure Hose - Couplings not included | $920.00 |
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| D016-51 | 50' Low Pressure Hose - Couplings not included | $320.00 |
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| D016-26 | Quick Connect Coupler Set (includes male & female) | $109.00 |
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| D016-27 | Coupler Cover | $5.00 |
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| D437 | 1/4" Female x 3/8" Male Reducer | $4.20 |
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| D438 | Low Pressure Hose Connector | $3.40 |
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Power Unit Motors are interchangeable. Ask about our Conversion Kits.
Technical Information
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 241K Power Unit Parts Manual |
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| 1.2M Applications & Notes |
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| Specifications | ||
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HYDRAULIC FLUID
Shell Aero Fluid #41 Exxon Univis HVI13 Aircraft Grade |
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Related Pages: |
