Feat: Long stroke, hydraulic reset design, safety valve to prevent accidental overload, dust ring design to extend service life.
Use: It can be used for high-tonnage, high-demand, and high-precision lifting operations, and is widely used in horizontal installation of tunnel pipelines.
Double acting hydraulic cylinder is suitable for lifting operation of high tonnage equipment and lifting maintenance operations requiring precise control of load. It is also suitable for horizontal pushing operations.
● Collar threads, plunger threads and base mounting holes for easy fixturing
● Baked enamel finish for increased corrosion resistance.
● Removable hardened saddles protect plunger during lifting and pressing.
● Built-in safety valve prevents accidental over-pressurization.
● 3/8 “- 18NPT coupler and dust cap included on all models.

Double-Acting Hydraulic Jack with KET-P-84 Manual Pump
● Allows a single person to control both the lifting and lowering of the jack.

Double-Acting Jack with Electric Pump
● Quickly performs both the lifting and lowering operations of the cylinder.

● For single-circuit, spring-return functionality, please choose our separate-type jacks.

● For a lower body height and a larger working stroke, please consider our low profile hydraulic cylinders

● If you need the piston rod to pass through a steel cable or threaded rod, please select our hollow plunger jacks.

● For higher lifting capacities (300 tons, 500 tons, or more), please choose our electric hydraulic jacks.

| Model | Capacity | Stroke | Max. Cylinder Capacity | Effective Area | Oil Capacity | Coll. Height | Extended Height | Outside Diameter | Weight | |||
| ton | mm | kN | cm2 | cm3 | ||||||||
| Push | Pull | Push | Pull | Push | Pull | mm | mm | mm | kg | |||
| KET-RR-1010 | 10 | 254 | 101 | 33 | 14.5 | 4.8 | 368 | 122 | 409 | 663 | 73 | 12 |
| KET-RR-1012 | 305 | 101 | 33 | 14.5 | 4.8 | 442 | 147 | 457 | 762 | 73 | 14 | |
| KET-RR-308 | 30 | 209 | 295 | 53 | 42.1 | 19.1 | 879 | 400 | 395 | 604 | 101 | 18 |
| KET-RR-3014 | 368 | 295 | 53 | 42.1 | 19.1 | 1549 | 703 | 549 | 917 | 101 | 29 | |
| KET-RR-506 | 50 | 156 | 498 | 103 | 71.2 | 21.5 | 1111 | 335 | 331 | 487 | 127 | 30 |
| KET-RR-5013 | 334 | 498 | 103 | 71.2 | 21.5 | 2378 | 718 | 509 | 843 | 127 | 52 | |
| KET-RR-5020 | 511 | 498 | 103 | 71.2 | 21.5 | 3638 | 1099 | 733 | 1244 | 127 | 68 | |
| KET-RR-756 | 75 | 156 | 718 | 156 | 102.6 | 31.4 | 1601 | 490 | 347 | 503 | 146 | 41 |
| KET-RR-7513 | 333 | 718 | 156 | 102.6 | 31.4 | 3417 | 1046 | 525 | 858 | 146 | 68 | |
| KET-RR-1006 | 95 | 168 | 933 | 435 | 133.3 | 62.2 | 2238 | 1045 | 357 | 525 | 177 | 61 |
| KET-RR-10013 | 333 | 933 | 435 | 133.3 | 62.2 | 4439 | 2071 | 524 | 857 | 177 | 93 | |
| KET-RR-10018 | 460 | 933 | 435 | 133.3 | 62.2 | 6132 | 2861 | 687 | 1147 | 177 | 117 | |
| KET-RR-1502 | 140 | 57 | 1386 | 668 | 198.1 | 95.4 | 1129 | 544 | 196 | 253 | 203 | 49 |
| KET-RR-1506 | 156 | 1386 | 668 | 198.1 | 95,4 | 3090 | 1488 | 385 | 541 | 203 | 93 | |
| KET-RR-15013 | 333 | 1386 | 668 | 198.1 | 95.4 | 6597 | 3177 | 582 | 915 | 203 | 124 | |
| KET-RR-15032 | 815 | 1386 | 668 | 198.1 | 95.4 | 16145 | 7775 | 1116 | 1931 | 203 | 238 | |
| KET-RR-2006 | 200 | 152 | 1995 | 1017 | 285.0 | 145.3 | 4332 | 2209 | 430 | 582 | 247 | 147 |
| KET-RR-20013 | 330 | 1995 | 1017 | 285.0 | 145.3 | 9405 | 4795 | 608 | 938 | 247 | 199 | |
| KET-RR-20018 | 457 | 1995 | 1017 | 285.0 | 145.3 | 13025 | 6640 | 765 | 1222 | 247 | 204 | |
| KET-RR-20024 | 610 | 1995 | 1017 | 285.0 | 145.3 | 17385 | 8863 | 917 | 1527 | 247 | 279 | |
| KET-RR-20036 | 914 | 1995 | 1017 | 285.0 | 145.3 | 26049 | 13280 | 1222 | 2136 | 247 | 383 | |
| KET-RR-20048 | 1219 | 1995 | 1017 | 285.0 | 145.3 | 34741 | 17712 | 1527 | 2746 | 247 | 483 | |
| KET-RR-3006 | 325 | 153 | 3201 | 1703 | 457.3 | 243.2 | 6997 | 3721 | 485 | 638 | 311 | 200 |
| KET-RR-30012 | 305 | 3201 | 1703 | 457.3 | 243.2 | 13947 | 7418 | 638 | 943 | 311 | 312 | |
| KET-RR-30018 | 457 | 3201 | 1703 | 457.3 | 243.2 | 20889 | 11114 | 790 | 1247 | 311 | 385 | |
| KET-RR-30024 | 609 | 3201 | 1703 | 457.3 | 243.2 | 27850 | 14811 | 943 | 1552 | 311 | 469 | |
| KET-RR-30036 | 915 | 3201 | 1703 | 457.3 | 243.2 | 41843 | 22253 | 1247 | 2162 | 311 | 628 | |
| KET-RR-30048 | 1219 | 3201 | 1703 | 457.3 | 243.2 | 55745 | 29646 | 1552 | 2771 | 311 | 780 | |
| KET-RR-4006 | 440 | 152 | 4292 | 2297 | 613.1 | 328.1 | 9319 | 4987 | 528 | 690 | 358 | 303 |
| KET-RR-40012 | 305 | 4292 | 2297 | 613.1 | 328.1 | 18700 | 10007 | 690 | 995 | 358 | 399 | |
| KET-RR-40018 | 457 | 4292 | 2297 | 613.1 | 328.1 | 28018 | 14995 | 843 | 1300 | 358 | 453 | |
| KET-RR-40024 | 610 | 4292 | 2292 | 613.1 | 328.1 | 37400 | 20014 | 995 | 1605 | 358 | 597 | |
| KET-RR-40036 | 914 | 4292 | 2292 | 613.1 | 328.1 | 56037 | 29988 | 1300 | 2214 | 358 | 792 | |
| KET-RR-40048 | 1219 | 4292 | 2292 | 613.1 | 328.1 | 74737 | 39996 | 1605 | 2824 | 358 | 980 | |
| KET-RR-5006 | 520 | 153 | 5108 | 2838 | 729.7 | 405.4 | 11164 | 6203 | 577 | 730 | 397 | 432 |
| KET-RR-50012 | 305 | 5108 | 2838 | 729.7 | 405.4 | 22256 | 12365 | 730 | 1035 | 397 | 589 | |
| KET-RR-50018 | 457 | 5108 | 2838 | 729.7 | 405.4 | 33347 | 18526 | 882 | 1339 | 397 | 680 | |
| KE-RR-50024 | 609 | 5108 | 2838 | 729.7 | 405.4 | 44440 | 24689 | 1032 | 1644 | 397 | 816 | |
| KET-RR-50036 | 925 | 5108 | 2838 | 729.7 | 405.4 | 66768 | 36973 | 1339 | 2254 | 397 | 1002 | |
| KET-RR-50048 | 1219 | 5108 | 2838 | 729.7 | 405.4 | 88951 | 49418 | 1644 | 2863 | 397 | 1224 | |