{"id":2761,"date":"2026-07-02T06:42:37","date_gmt":"2026-07-02T06:42:37","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/product\/cutter-suction-dredger-inverted-pile-cylinder\/"},"modified":"2026-07-02T06:42:41","modified_gmt":"2026-07-02T06:42:41","slug":"cutter-suction-dredger-inverted-pile-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/cs\/produkt\/cutter-suction-dredger-inverted-pile-cylinder\/","title":{"rendered":"Cutter Suction Dredger Inverted Pile Cylinder"},"content":{"rendered":"

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\n Cutter Suction Dredger<\/span><\/p>\n

Cutter Suction Dredger Inverted Pile Cylinder<\/h2>\n

The strongest cylinder on the CSD. 7,500 KN of push force. 5,000 KN of pull. A 620 mm bore \u2014 the largest in the CSD hydraulic system. The inverted pile cylinder deploys and retracts the spud pile mechanism with enough force to handle the heaviest piles in the deepest, most resistant seabeds.<\/p>\n

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\u2264620mm<\/span>Largest Bore<\/span><\/div>\n
7,500 KN<\/span>Push<\/span><\/div>\n
5,000 KN<\/span>Pull<\/span><\/div>\n
\u22645,200mm<\/span>Stroke<\/span><\/div>\n<\/p><\/div>\n<\/section>\n
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Technical Specifications<\/h2>\n
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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\nCutter Suction Dredger Inverted Pile Cylinder<\/td>\n<\/tr>\n
Features<\/td>\nProvide push and pull force for retracting and unfolding the steel pile<\/td>\n<\/tr>\n
Bore Diameter<\/td>\nUp to 620 mm<\/td>\n<\/tr>\n
Rod Diameter<\/td>\nUp to 360 mm<\/td>\n<\/tr>\n
Stroke<\/td>\nUp to 5,200 mm<\/td>\n<\/tr>\n
Thrust Force<\/td>\nMaximum 7,500 KN<\/td>\n<\/tr>\n
Pulling Force<\/td>\nMaximum 5,000 KN<\/td>\n<\/tr>\n
Working Pressure<\/td>\nUp to 32 MPa<\/td>\n<\/tr>\n
Temperature Range<\/td>\n-40 \u00b0C to +100 \u00b0C<\/td>\n<\/tr>\n
Application<\/td>\nCutter Suction Dredger<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n
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Push and Pull \u2014 Why the Inverted Pile Needs Force in Both Directions<\/h2>\n
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\"Cutter<\/p>\n

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Most hydraulic cylinders are designed primarily for one force direction \u2014 the extension stroke (push) carries the rated load, while retraction (pull) handles a lighter return load. The inverted pile cylinder is different: it must produce near-maximum force in both directions. The extension stroke (7,500 KN) unfolds and pushes the spud pile assembly into its operating position. The retraction stroke (5,000 KN) pulls the assembly back \u2014 extracting the pile from the seabed against soil suction and retracting the mechanism into the hull for transit.<\/p>\n

This dual-direction force requirement produces the largest bore in the CSD cylinder family: 620 mm. The large bore generates high extension force, and the relatively thick rod (360 mm) provides a large annular retraction area for high pull force. The combination of large bore + thick rod + long stroke (5,200 mm) makes the inverted pile cylinder the heaviest single hydraulic component on a CSD.<\/p>\n

Korea Ever-Power manufactures the inverted pile cylinder with forged barrel and rod, FEA-optimised wall thickness, and marine-grade anti-corrosion treatment. Browse the complete offshore hydraulic cylinder<\/a> range for all CSD products.<\/p>\n<\/div>\n<\/section>\n

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CSD Hydraulic Cylinder Family at a Glance<\/h2>\n
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\"Cutter<\/p>\n

The inverted pile cylinder is the most powerful unit in the three-cylinder CSD spud system. Here is how it compares to the traveling and piling cylinders:<\/p>\n

\n\n\n\n\n\n\n\n
Cylinder<\/th>\nBore<\/th>\nStroke<\/th>\nPush<\/th>\nPull<\/th>\n<\/tr>\n<\/thead>\n
Traveling (#2)<\/td>\n480 mm<\/td>\n9,400 mm<\/td>\n2,900 KN<\/td>\n\u2014<\/td>\n<\/tr>\n
Piling (#3)<\/td>\n460 mm<\/td>\n4,000 mm<\/td>\n3,140 KN<\/td>\n\u2014<\/td>\n<\/tr>\n
Inverted Pile (#4)<\/td>\n620 mm<\/td>\n5,200 mm<\/td>\n7,500 KN<\/td>\n5,000 KN<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n
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Design Considerations for Dual-Force Marine Cylinders<\/h2>\n
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Designing a hydraulic cylinder that must deliver near-maximum force in both push and pull directions \u2014 while operating in a saltwater marine environment \u2014 presents unique engineering challenges that standard cylinder designs do not address:<\/p>\n