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Double Acting Hollow Hydraulic Cylinder
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Product Detail
The RRH series Double-Acting Hollow Hydraulic Cylinder is a high-performance asset built for engineering tasks that demand pulling, tensioning, pushing, and precise synchronization.
The central hollow plunger enables easy threading of rods, cables, or bolts, establishing it as the premier solution for complex applications like concrete segment testing, synchronized bridge tensioning, and steel box girder pulling. Select models are equipped with collar threads for quick, dependable attachment to auxiliary structures, significantly boosting system versatility and integration.
Applications
Product Dimensions

| Model | Capacity(T) | ClosedHeight A (mm) | Stroke(mm) | Max. Capacity(T) | OutsideDiameter D (mm) | PlungerDiameter F (mm) | Center HoleDiameter Y (mm) | Weight(kg) | |
| Push | Pull | ||||||||
| KET-RRH-307 | 30 | 330 | 178 | 326 | 213 | 114 | 63.5 | 33.3 | 21 |
| KET-RRH-3010 | 30 | 431 | 258 | 326 | 213 | 114 | 63.5 | 33.3 | 27 |
| KET-RRH-603 | 60 | 247 | 89 | 576 | 380 | 159 | 91.9 | 53.8 | 28 |
| KET-RRH-606 | 60 | 323 | 166 | 576 | 380 | 159 | 91.9 | 53.8 | 35 |
| KET-RRH-6010 | 60 | 438 | 257 | 576 | 380 | 159 | 91.9 | 53.8 | 45 |
| KET-RRH-1001 | 95 | 165 | 38 | 931 | 612 | 212 | 127 | 79.2 | 33 |
| KET-RRH-1003 | 95 | 254 | 76 | 931 | 612 | 212 | 127 | 79.2 | 61 |
| KET-RRH-1006 | 95 | 342 | 153 | 931 | 612 | 212 | 127 | 79.2 | 79 |
| KET-RRH-10010 | 95 | 460 | 257 | 931 | 612 | 212 | 127 | 79.2 | 106 |
| KET-RRH-1508 | 145 | 349 | 203 | 1429 | 718 | 247 | 152.4 | 79.2 | 111 |
| KET-RRH-20010 | 200 | 523 | 250 | 2028 | 933 | 300 | 203 | 110 | 208 |
| KET-RRH-20012 | 200 | 573 | 300 | 2028 | 933 | 300 | 203 | 110 | 226 |
| KET-RRH-60012 | 600 | 700 | 300 | 5982 | 2873 | 495 | 305 | 140 | 800 |
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