Products
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FV-800 Series Four Eccentric Pile Driving/Extraction Machine
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Mini pile driving/extraction machine FV-100 series
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FV-280R Series 360° Rotating Pile Driving/Extraction Machine
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FV-500 Series Four Eccentric Pile Driving/Extraction Machine
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Electric Vibrating Hammer DZ60A
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FV-330 Series Photovoltaic Pile Driving/Extraction Machine
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Electric Vibrating Hammer DZ90A
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SV-500 Series Side Clamping Pile Driving/Extraction Machine
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FV-250R Series 360° Rotating Pile Driving/Extraction Machine
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SV-200 Series Side Clamping Pile Driving/Extraction Machine
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SV-300 Series Side Clamping 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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HDY5 Hydraulic Impact Hammer
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Electric Vibrating Hammer DZ150A
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FV-280 Series Photovoltaic Pile Driving/Extraction Machine
FV-550 Series Four Eccentric Pile Driving/Extraction Machine
Transitional class 50-55 tons
Medium-heavy excitation 780 kN
Ability to work with steel and concrete up to 18 m long
Instant second stage kickdown
Compact for its power class
Cartridge valve replacement in 30 minutes
Specialist in pile driving on reclaimed land
Description
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YEKUN Weiboro FV-550 high frequency vibration hammer | 780 kN high centrifugal force – the new generation photovoltaic piling hammer that overcomes difficult geological conditions
Description:
The YEKUN Weiboro FV-550 enters the 50-55 ton excavator class as a dedicated high-frequency vibratory hammer designed for contractors who need more than the average hammer provides, but do not yet require the heaviest class. With a rated high centrifugal force of 780kN with a vibration frequency of 3200rpm, the FV-550 sits in a power range occupied by few competitors - aggressive enough for 18m steel sheets, but compact enough to retain the agility that defines the FV series.
Why is this important for deep foundation specialists? Because the FV-550 functions as a dedicated PV piling hammer for mega-solar farms, while processing bridge abutments, high-rise retaining walls, and sheet piling installations.
Versatility comes from an optimized eccentric shaft design that distributes load evenly across the body, reducing local stress points that typically fail during long, heavy cycles.
German precision bearings provide the basis. These bearings use a high-nitrogen steel formula that resists micro-pitting even after thousands of hours of operation at full excitation. Paired with a reinforced box frame made from 10mm high-strength low-alloy steel, the FV-550 can withstand loads that would destroy lighter structures - daily 10-hour shifts of driving through challenging geological conditions such as dense glacial till, cemented pebbles or weathered sandstone.
What about cramped work areas? The FV-550 maintains a compact and lightweight design relative to its power class. The total hammer weight remains below 3200 kg, the boom weight is comparable to the FV-500 series. This allows it to be transported on standard low-loader trailers and work in narrow trenches where bulkier hammers simply won't fit.
When the geological profile becomes hostile, the two-pump flow fusion system triggers the second stage to vibrate at the operator's command. By synchronizing two hydraulic circuits (total flow 350–450 l/min at 32 MPa), the hammer produces a sudden burst of excitation that destroys soil cohesion and instantly liquefies compacted layers. Experienced operators describe it as “instant torque for piles” – no hesitation, no stopping.
The built-in control valve is noteworthy. Imported and fully sealed, it separates clamping, lifting and vibration into independently controlled circuits. One technician can diagnose and replace a faulty cartridge in less than 30 minutes without draining the entire hydraulic system. As a pure piling solution for an excavator, the FV-550 connects directly to the base excavator's auxiliary hydraulics—no separate power unit, no auxiliary motor, no second trailer.
The maximum length of the pile reaches 18 meters. The design clamping force is 850 kN, sufficient to hold heavy I-beams and large tubular piles without slipping during extraction. For contractors who face challenging geological conditions on a weekly basis—think solar farms on reclaimed land or bridge piers in riverbeds—the YEKUN Weiboro FV-550 High Frequency Vibratory Hammer provides a decisive productivity advantage. Whether you call it a PV piling hammer or a deep foundation specialist, it turns what was once a two-machine job into a one-operator operation.
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