Donam Engineering Co., Ltd. cylinders are widely used not only in hydraulic elevators but also in industrial applications.
Custom manufacturing is available, and with years of technology and experience they are used in many places.
Hydraulic cylinder leaked oil recovery device (Utility Model No. 382751)
Mounting guide structure for cylinder rod (Utility Model No. 382798)
Design registration of cylinder head (Design Registration No. 0395461)
- Cylinder drawings (Korean)
- Cylinder safety factor (Korean)
- Multi-stage cylinders (Korean)
- Cylinder instruction manual (Korean)
- 2-piece (Korean)
- Cylinder installation method (Korean)
Part names, materials, dimensions and quantities by cylinder diameter
| No. | Nominal size (diameter) | Ø100 | Ø120 | Ø140 | Ø160 | Ø180 | Ø195 | Ø220 | Ø245 | Ø270 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Part name | Material | Qty/Unit | ||||||||||
| 1 | Head bolt | STKM | 1 | M30 | M36 | |||||||
| 2 | Rod O.D. | STKM | mm | 100 | 120 | 140 | 165 | 178 | 195 | 219 | 245 | 273 |
| 3 | Head O.D. | mm | 185 | 200 | 250 | 270 | 320 | 330 | 370 | 380 | ||
| 4 | Hex socket bolt | SCM | pcs | M12 x 10EA | M12 x 12EA | M12 x 14EA | ||||||
| 5 | Stroke | Length as ordered | ||||||||||
| 6 | Overall length | mm | Stroke(10) + 250 mm | |||||||||
| 7 | End cap boss | SS41 | 1 | Ø40 x 15 mm | ||||||||
| 8 | Tube I.D. | STKM | mm | 120 | 144 | 172 | 200 | 254 | 298 | |||
| 9 | Tube O.D. | STKM | mm | 140 | 165 | 194 | 219 | 273 | 324 | |||
| 10 | Oil inlet port | STKM | 1 | 1.25″ | 1.5″ | 2.0″ | ||||||
| 11 | Base plate W x L | SS41 | mm | 260 x 190 | 300 x 300 | 400 x 400 | ||||||
| 12 | Base plate hole spacing | SS41 | mm | 210 x 130 | 220 x 220 | 350 x 350 | ||||||
| 13 | Base plate thickness | SS41 | mm | 20 mm | ||||||||