NEWTRY 20 ton Hydraulic Cylinder Long Jack 4 Stroke Porta Power Ram Jack Lifting Cylinder Retract Automatically for Shipbuilding Bridge Construction

▷[BASIC PARAMETERS]---Tonnage: 20T | Stroke: 4’’/100mm | Self height: 6.14’’/156mm | Outer diameter: 3.31’’/84mm | Internal diameter:1.97’’/50mm | Weight:13.64lbs/6.2kg| Effective area: 5.14sq.in./33.16cm² | Usded with Pump: CP-700(B06XGSPL2M)., ▷[4INCH LONG STROKE]---With 4’’(100mm) stroke, the hydraulic ram can lift much higher than others. After pressure is released, the jack can retract automatically, super convenient., ▷[SMOOTH LACQUER SURFACE & ANTI-DUST COVER]---The surface of hydraulic ram cylinder is painted with lacquer, which is not easy to rust. Made of heavy-duty metal construction, our hydraulic cylinder jack is durable and designed for long-lasting use. Anti-dust ring can reduce pollution, thereby prolonging the service life of hydraulic cylinder., ▷[COMPOSITE STRUCTURE & MULTI-FUNCTION]---Equipped with various accessories, it has multiple functions such as lifting, jacking, shoveling and splitting, and can be quickly installed by using quick connectors.The oil pump adopts a composite structure., ▷[WIDE RANGE OF APPLICATION]---This long jack is widely used in the installation and maintenance of large and medium-sized machinery and equipment in the petroleum, chemical, electric power, pharmaceutical, metallurgical, steel, ship, bridge and other industries.

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