Hydraulic Cylinder Capacity: 30-150 ton
Weight: 21-111 KG
Stroke: 38-258 mm
Max.pressure: 700 bar
Mounting Hole Thread Depth: 14-19 mm
Double-acting cylinder version for fast retraction.
Hollow plunger design allows for both,pull and push forces.
Dual dust-proof ring structure remains cylinder internal cleaning.
The exclusive guide ring is designed absorbs eccentric loading without galling cylinder parts,reduces wear and extending life.
Built-in safety valve prevents accidental over pressurization.
Special painted surface to increase corrosion resistance.
Easy fixturing with collar threads,plunger threads and base mounting holes.
All model include quick couplings (NPT3/8"-18) and dust-proof cap.
Floating center tube is designed to increase product life.
Customizable with special requirement.

SJZ Series Double-Acting Hollow Cylinders |
| Cylinder Capacity | Stroke | Model Number | Max.Cylinder Capacity | Cylinder Effective Area | Oil Capacity | Collapsed Height | Extended Height | Outside Dia. | Cylinder Bore Dia | Plunger Dia. | Base to Advance Port | Top to Return Port | Saddle Dia. | Saddle Internal Thread | Saddle Protrusion from Plgr. | Plunger Internal Thread | Plunger Thread Length | Collar Thread | Collar Thread Length | Center Hole Dia | Weight |
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| Advance | Retract | Advance | Retract | Advance | Retract | A | B | C | D | E | F | G | H | I | J | K | L | X | Y | Z |
|
| ton | (mm) | (KN) | (cm2) | (cm3) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
| (mm) |
| (mm) |
| (mm) | (mm) | (kg) |
| 30 | 178 | SJZ300-178 | 336 | 216 | 48 | 30.9 | 855 | 550 | 330 | 508 | 115 | 90 | 64.5 | 25 | 60 | 64 | 11/4"-7 | 9 | 113/16"-16UN | 22 | 41/2"-12 | 42 | 33.3 | 21 |
| 258 | SJZ300-258 | 336 | 216 | 48 | 30.9 | 1240 | 798 | 431 | 689 | 115 | 90 | 64.5 | 25 | 60 | 64 | 11/4"-7 | 9 | 113/16"-16UN | 22 | 41/2"-12 | 42 | 33.3 | 27 |
| 60 | 89 | SJZ600-89 | 589 | 368 | 84.2 | 52.6 | 749 | 468 | 247 | 336 | 159 | 125 | 94.5 | 31 | 66 | 94 | 15/8"-51/2 | 12 | 23/4"-16UN | 19 | 61/4"-12 | 48 | 53.8 | 28 |
| 166 | SJZ600-166 | 589 | 368 | 84.2 | 52.6 | 1398 | 873 | 323 | 489 | 159 | 125 | 94.5 | 31 | 66 | 94 | 15/8"-51/2 | 12 | 23/4"-16UN | 19 | 61/4"-12 | 48 | 53.8 | 35 |
| 257 | SJZ600-257 | 589 | 368 | 84.2 | 52.6 | 2164 | 1352 | 438 | 695 | 159 | 125 | 94.5 | 31 | 66 | 94 | 15/8"-51/2 | 12 | 23/4"-16UN | 19 | 61/4"-12 | 48 | 53.8 | 45 |
| 100 | 38 | SJZ1000-38 | 947 | 637 | 135.3 | 91.1 | 514 | 346 | 165 | 203 | 212 | 165 | 125 | 34 | 45 | 125 | 21/2"-8 | 12 | 4"-16UN | 25 | \ | \ | 79 | 33 |
| 76 | SJZ1000-76 | 947 | 637 | 135.3 | 91.1 | 1028 | 692 | 254 | 330 | 212 | 165 | 125 | 34 | 85 | 125 | 21/2"-8 | 12 | 4"-16UN | 25 | 83/8"-12 | 60 | 79 | 61 |
| 153 | SJZ1000-153 | 947 | 637 | 135.3 | 91.1 | 2070 | 1394 | 342 | 495 | 212 | 165 | 125 | 34 | 85 | 125 | 21/2"-8 | 12 | 4"-16UN | 25 | 83/8"-12 | 60 | 79 | 79 |
| 257 | SJZ1000-257 | 947 | 637 | 135.3 | 91.1 | 3477 | 2341 | 460 | 717 | 212 | 165 | 125 | 34 | 85 | 125 | 21/2"-8 | 12 | 4"-16UN | 25 | 83/8"-12 | 60 | 79 | 106 |
| 150 | 203 | SJZ1500-203 | 1445 | 758 | 206.5 | 108.3 | 4191 | 2198 | 359 | 562 | 247 | 190 | 150 | 38 | 60 | 127 | \ | 13 | 41/4"-12UN | 25 | \ | \ | 79 | 111 |



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