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Double acting hydraulic cylinder jack , long stroke hydraulic cylinder jack
Features:
1. LH detachable electric fluin pressure operated jacks (srpervoltage and large-tonnage electric fluid pressure operated jacks): after long-term reseach by our R&M department, combined with in-service and many years of production experience, adopt new framework and excellent material, it has a new structure, longevity of service, convenient maintenance, is upgrading and substitute products of ordinary jack.
2. Chrome-plated plunger, hydraulic retraction, overflow function limit the travel,designed a safety pressure device in order to prevent the sudden over pressure, special structure of the jack can offer multipe protection, tolerable eccentric load can reach 5 percent rated loading capacity of hydraulic cylinder, high strength alloy steel wear well, it"s easy to operate particularly in large-scale projects.
Hydraulic jack parameter:
| Modle | LH-50/200 | LH-100/200 | LH-100/300 | LH-200/50 | LH-200/100 | LH-200/200 | LH-320/200 | LH-200400 | LH-400200 | LH-500200 | LH-630200 |
| Tonnage(T) | 50 | 100 | 100 | 200 | 200 | 200 | 320 | 200 | 400 | 500 | 630 |
| Tensile force(T) | 20 | 40 | 40 | 80 | 80 | 80 | 120 | 80 | 150 | 180 | 236 |
| Stroke (mm) | 200 | 200 | 300 | 50 | 100 | 20 | 200 | 400 | 200 | 200 | 200 |
| Closed height(mm) | 362 | 417 | 517 | 192 | 242 | 437 | 477 | 637 | 485 | 520 | 570 |
| Extended Height(mm) | 562 | 617 | 817 | 242 | 342 | 637 | 677 | 1037 | 685 | 720 | 770 |
| Outside cylinder(mm) | 140 | 180 | 180 | 240 | 240 | 240 | 320 | 240 | 750 | 405 | 500 |
| Piston Rod Dia.(mm) | 70 | 100 | 100 | 150 | 150 | 150 | 180 | 150 | 225 | 250 | 270 |
| Cylinder Dia.(mm) | 100 | 140 | 140 | 200 | 200 | 200 | 250 | 200 | 280 | 320 | 360 |
| Weight(kg) | 50 | 85 | 105 | 60 | 85 | 130 | 260 | 173.3 | 231 | 462 | 531.3 |
Hydraulic jack pictures: 
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