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Single acting hollow plunger hydraulic cylinder applys to processing, maintenance and traction work. The special design of the hollow piston rod makes the tow bar or cable can pass through the hydraulic cylinder to conduct lifting or jacking operation, commonly used in the work of backward traction and forward extrusion. Equipped with interchangeable steel reinforced piston base, can also be used for regular lifting operation.
Product Features
• Single-acting, spring return
• Baked enamel finish for increased corrosion resistance
• Hollow plunger design allows for both pull and push forces
• Collar threads for easy fixturing
• Built-in scraper seal reduces contamination, extending cylinder life
• 3/8 “- 18NPT coupler and dust cap included on all models.
Industry Applications
• Heat exchanger assembling and compacting
• Steel cable locking in bridge construction
• Synchronous lifting of steel structure in gymnasium construction
• Steel strand pre-tightening in bridge box girder prefabricating
| Model | Capacity | Working Pressure | Coll. Height | Stroke | Hole Dia. | Effective Area | Oil Capacity | O.D | Rod Dia. | Weight |
| (T) | （MPa） | (mm) | (mm) | (mm) | (cm2) | (cm3) | (mm) | (mm) | (kg) | |
| KET-RCH-120 | 13 | 70 | 65 | 8 | 19.6 | 17.9 | 14 | 69 | 35.1 | 1.5 |
| KET-RCH-121 | 130 | 42 | 19.6 | 17.9 | 75 | 69 | 35.1 | 2.8 | ||
| KET-RCH-1211 | 130 | 42 | 19.6 | 17.9 | 75 | 69 | 35.1 | 2.8 | ||
| KET-RCH-123 | 194 | 76 | 19.6 | 17.9 | 136 | 69 | 35.1 | 4.4 | ||
| KET-RCH-202 | 20 | 70 | 172 | 49 | 26.9 | 30.7 | 150 | 98 | 54.1 | 7.7 |
| KET-RCH-206 | 316 | 155 | 26.9 | 30.7 | 476 | 98 | 54.1 | 14.1 | ||
| KET-RCH-302 | 30 | 70 | 193 | 64 | 33.3 | 46.6 | 298 | 114 | 63.5 | 10.9 |
| KET-RCH-306 | 345 | 155 | 33.3 | 46.6 | 722 | 114 | 63.5 | 21.8 | ||
| KET-RCH-603 | 60 | 70 | 262 | 76 | 53.8 | 82.3 | 626 | 159 | 91.9 | 28.1 |
| KET-RCH-606 | 338 | 153 | 53.8 | 82.3 | 1259 | 159 | 91.9 | 35.4 | ||
| KET-RCH-1003 | 95 | 70 | 269 | 76 | 79.0 | 133.0 | 1011 | 212 | 127 | 63.0 |
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| Synchronous Lifting of Gymnasium Steel Structure | Maintenance Application of Shield Machine | Application of Large Heat Exchanger Assembly |
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