Based on years of research, we will re-examine the function, material, and shape of each individual component.
We have significantly evolved the basic performance required for claw-type hydraulic jacks. Claw-type hydraulic jacks are compact yet robust and durable, requiring high reliability and ease of use. While inheriting the basic specifications that have been loved for many years, we have greatly enhanced fundamental performance aspects such as smoothness of ascent and descent, resistance to eccentric loads, and durability under repeated use. This is the definitive claw-type hydraulic jack that supports all professional sites, including the transportation and installation of precision and heavy machinery, infrastructure maintenance, and demolition and restoration.
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basic information
■You can choose from a rich combination of 21 models with varying capabilities, strokes, and claw lengths! Model Number Class Claw Allowable Load (ton) Claw Length (mm) Stroke (mm) Minimum Claw Position (mm) Weight (kg) M441HTJ-030E Lightweight 1.2 50 100 12 8.5 M441HTJ-040E 2 50 110 16 12 M441HTJ-060E Medium Weight 3 50 115 19 14 M441HTJ-100E 5 55 130 22 21 M441HTJ-160E Heavyweight 8 80 136 25 29 M441HTJ-200E 10 80 140 28 39 M441HTJ-L030E Lightweight 1 75 100 12 8.8 M441HTJ-L040E 2 80 110 19 13 M441HTJ-L060E Medium Weight 3 80 115 22 15 M441HTJ-L100E 5 75 130 25 22 M441HTJ-L160E Heavyweight 8 80 136 28 30 M441HTJ-L200E 10 80 140 32 41
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Applications/Examples of results
■1. Stronger, smoother, and longer-lasting The newly designed screw-type upper bearing better accommodates the uneven load characteristic of claw jacks over a wider surface area. By pursuing materials and component shapes with higher sliding properties, smooth ascent and descent have been achieved. The durability performance against repeated use has significantly improved to over 130%. ■2. Safer – Equipped with safety valves on all models The unique tapered release screw that suppresses the descent speed of the jack, safety valves that protect the jack from failure and damage due to overload, and a load setting that allows for a margin against the jack's capacity all emphasize safety in the design of claw hydraulic jacks. These safety mechanisms are common across all models. ■3. Easier to maintain By consolidating the discharge valve, suction valve, and safety valve within a compact circuit unit inside the pump, repairs and replacements are possible in the event of sinking due to hydraulic valve leaks. The design also considers maintainability to ensure long-term use.
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