Products
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FV-600 Series Four Eccentric Pile Driving/Extraction Machine
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Electric Vibrating Hammer DZ90A
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Taiwan PCF-450 series pile driving/extraction machine
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FV-350S Series Photovoltaic Pile Driving/Extraction Machine
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Hydraulic Vibrating Hammer HV-80
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Mini pile driving/extraction machine FV-150 series
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High Frequency Vibrating Hammer FV-350
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FV-280 Series Photovoltaic Pile Driving/Extraction Machine
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Hydraulic Impact Hammer HDY22
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Taiwan PCF350 Series Pile Driving/Extraction Machine
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High Frequency Vibrating Hammer FV-400
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FV-330 Series Photovoltaic Pile Driving/Extraction Machine
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Mini pile driving/extraction machine FV-100 series
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HDY5 Hydraulic Impact Hammer
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FV-280R Series 360° Rotating Pile Driving/Extraction Machine
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SV-400 Series Side Clamping Pile Driving/Extraction Machine
FV-800 Series Four Eccentric Pile Driving/Extraction Machine
Maximum exciting power
Penetrates into ultra-deep layers
Flagship carrier 75-85 t
Driving piles in one pass for 27 m
Huge eccentric moment 14.5 kg m
Double locking system
Robot-welded housing made of high-strength low-alloy steel
Description
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FV-800: Ultimate exciting force 997 kN – ultra-deep penetration for 27 m pile driving
Description:
YEKUN Weiboro FV-800 is the brand's flagship high frequency vibration hammer, specially designed for 75-85 ton class excavators. Its maximum exciting force reaches 997 kN at 2500 rpm - a figure that places it among the most powerful vibratory hammers operated from a conventional crawler excavator. For contractors facing ultra-deep layers up to 27 meters in a single pass, the FV-800 eliminates the need for pre-drilling or soil drills.
What makes the FV-800 a piling hammer for industrial scale photovoltaic installations? Solar farms now span thousands of hectares, requiring piles that reach stable bearing layers well below seasonal groundwater levels.
With a huge 14.5 kgm eccentricity moment, this hammer drives large concrete piles, heavy composite wall sections and 27m long steel tubular piles into conditions that would stop less powerful machines: massive boulder mixtures, cemented conglomerate and weakly metamorphic rocks.
The case speaks for itself. Robotically welded from high-strength, low-alloy steel, the FV-800's box body distributes dynamic loads without stress raisers. German precision bearings - although the phrase is common elsewhere - are specified here with a larger set of rollers and a labyrinth seal that prevents the ingress of silt during underwater extraction. Maintenance intervals exceed 2500 hours when fully excited.
How does it cope with the longest piles? The double-lock clamping system applies a gripping force of 565 kN through parallel jaws that are self-adjusting to suit pile thicknesses ranging from 20 to 60 mm. The surfaces of the jaws are coated with tungsten carbide chips, providing traction on wet steel or rough concrete. No slippage means no lost cycles.
Rock removal without drilling becomes a reality thanks to the FV-800's vibration logic. Unlike low-frequency hammers, which bounce off solid layers, the high frequency (2500 rpm) combined with a centrifugal force of 997 kN creates a liquefaction effect around the tip of the pile - soil and small rock fragments temporarily behave like a liquid, allowing the pile to pass obstacles that would require a drilling rig.
The control valve is a fully modular IP rated unit with separate cartridges for clamping, lifting and high frequency generation. A technician can replace any cartridge in less than 20 minutes using only a hex wrench. As a purely mounted piling solution for an excavator, the FV-800 draws up to 420 l/min at 32 MPa from the carrier auxiliary circuit - no separate power module, no cable trailers.
The operating flow ranges from 350 to 420 l/min, making the hammer compatible with large excavators from Caterpillar 375 to Komatsu PC800. Maximum pile driving of 27 m in one pass has been confirmed in field tests with Larsen U-sheet piles and helical concrete piles.
For projects that require extreme depth and strength—offshore wind turbine transition foundations, deep quarry rehabilitation, or high-rise basement retaining walls in rocky soil—the YEKUN Weiboro FV-800 High Frequency Vibratory Hammer is unmatched. It turns what was once a specialized drilling contract into a routine piling operation.
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