Shanghai Yanyao Machinery Technology Co., Ltd
-
-
-
-
Customer Service
-
Contact Us
Large tonnage nut self-locking hydraulic jack
Category: Jack
Details
Large tonnage nut self-locking hydraulic jack
Large tonnage nut self-locking hydraulic jack, can withstand up to 1000 tons of mechanical load;
Double-action, used for forward retraction;
The integral stop ring provides the piston overstroke protection;
The exterior coating and chrome piston provide excellent corrosion protection.
Technical parameters
| Specifications and models | Bearing Capacity (T) | Working stroke (mm) | Effective area (cm²) | Body height A | Hydraulic oil volume (cm³) | Extension height B(mm) | Jack diameter (mm) | Self-locking nut diameter D1 | Aperture E(mm) | Plunger size F(mm) | Brake ring height H | Saddle diameter J | Tolerances for saddle and brake ring K | Self-locking nut thickness S | Weight (kg) |
| KET-SDL-1002 | 100 | 50 | 143.14 | 188 | 716 | 238 | 180 | 225 | 135 | 120 | 35 | 115 | 10 | 90 | 46 |
| KET-SDL-1004 | 100 | 100 | 143.14 | 238 | 1431 | 338 | 180 | 225 | 135 | 120 | 35 | 115 | 10 | 140 | 60 |
| KET-SDL-1502 | 150 | 50 | 213.82 | 190 | 1069 | 240 | 220 | 260 | 165 | 140 | 35 | 135 | 10 | 90 | 63 |
| KET-SDL-1504 | 150 | 100 | 213.82 | 240 | 2138 | 340 | 220 | 260 | 165 | 140 | 35 | 135 | 10 | 140 | 81 |
| KET-SDL-2002 | 200 | 50 | 283.53 | 197 | 1418 | 247 | 250 | 295 | 190 | 160 | 35 | 155 | 12 | 90 | 83 |
| KET-SDL-2004 | 200 | 100 | 283.53 | 247 | 2835 | 347 | 250 | 295 | 190 | 160 | 35 | 155 | 12 | 140 | 107 |
| KET-SDL-2502 | 250 | 50 | 363.05 | 200 | 1815 | 250 | 280 | 330 | 215 | 180 | 35 | 175 | 12 | 95 | 106 |
| KET-SDL-2504 | 250 | 100 | 363.05 | 250 | 3631 | 350 | 280 | 330 | 215 | 180 | 35 | 175 | 12 | 145 | 136 |
| KET-SDL-3002 | 300 | 50 | 433.77 | 212 | 2169 | 262 | 305 | 360 | 235 | 200 | 40 | 195 | 12 | 100 | 135 |
| KET-SDL-3004 | 300 | 100 | 433.77 | 262 | 4337 | 362 | 305 | 360 | 235 | 200 | 40 | 195 | 12 | 150 | 170 |
| KET-SDL-4002 | 400 | 50 | 572.56 | 238 | 2863 | 283 | 350 | 420 | 270 | 225 | 45 | 215 | 15 | 100 | 199 |
| KET-SDL-4004 | 400 | 100 | 572.56 | 283 | 5726 | 383 | 350 | 420 | 270 | 225 | 45 | 215 | 15 | 150 | 243 |
| KET-SDL-5002 | 500 | 50 | 730.62 | 238 | 3653 | 288 | 390 | 460 | 305 | 250 | 45 | 240 | 15 | 112 | 245 |
| KET-SDL-5004 | 500 | 100 | 730.62 | 288 | 7306 | 388 | 390 | 460 | 305 | 250 | 45 | 240 | 15 | 160 | 300 |
| KET-SDL-6002 | 600 | 50 | 866 | 245 | 4328 | 295 | 420 | 500 | 332 | 270 | 45 | 260 | 15 | 115 | 296 |
| KET-SDL-6004 | 600 | 100 | 866 | 295 | 8657 | 395 | 420 | 500 | 332 | 270 | 55 | 260 | 15 | 165 | 362 |
| KET-SDL-8002 | 800 | 50 | 1146.16 | 280 | 5821 | 330 | 490 | 580 | 385 | 320 | 55 | 310 | 20 | 125 | 455 |
| KET-SDL-8004 | 800 | 100 | 1146.16 | 330 | 11462 | 430 | 490 | 580 | 385 | 320 | 55 | 310 | 20 | 175 | 545 |
| KET-SDL-10002 | 1000 | 50 | 1452.2 | 305 | 7261 | 355 | 540 | 650 | 430 | 350 | 55 | 340 | 30 | 130 | 600 |
| KET-SDL-10004 | 1000 | 100 | 1452.2 | 355 | 14522 | 455 | 540 | 650 | 430 | 350 | 55 | 340 | 30 | 180 | 712 |
Large Tonnage Nut Self-locking Hydraulic Jack
Product Overview
The Large Tonnage Nut Self-locking Hydraulic Jack is a high-capacity lifting device designed for heavy-duty industrial applications where safety, stability, and sustained load holding are critical. Equipped with a mechanical self-locking nut, this jack ensures safe operation during extended periods of load maintenance without continuous hydraulic pressure.
Ideal for bridge construction, heavy equipment installation, shipbuilding, power plant maintenance, and other demanding environments, this hydraulic jack delivers unmatched reliability, lifting force, and safety assurance.
Key Features
-
Large Tonnage Capacity
Available in capacities ranging from 50 tons to 1000 tons, suitable for ultra-heavy lifting requirements. -
Self-locking Nut Mechanism
Mechanical safety nut automatically locks the load after lifting, ensuring long-term secure support even if hydraulic pressure is lost. -
High Safety & Stability
Prevents sudden drop in case of hose rupture or hydraulic failure. Ideal for overhead or critical lifting tasks. -
Extended Stroke Options
Standard stroke lengths from 50mm to 300mm, customizable upon request. -
Durable Construction
Made of high-strength alloy steel with precision machining, anti-corrosion surface treatment, and wear-resistant sealing systems. -
360° Lifting Eye Bolts or Handles
Easy transport and positioning even for high-tonnage models.
Note: Custom sizes, strokes, and pressure ratings are available on request.
Applications
-
Bridge and tunnel construction
-
Heavy structural lifting and alignment
-
Offshore platforms and marine engineering
-
Wind turbine and tower installation
-
Industrial equipment maintenance
-
Jacking and shoring systems
Why Choose Our Self-locking Jacks?
-
Complies with international safety standards (CE, ISO9001)
-
Full testing and inspection before delivery
-
Optional accessories: electric pump, hoses, pressure gauge, couplers
-
After-sales technical support & user manuals included
-
Global shipping and export packaging solutions
Key words:
Hydraulic Jack Equipment
Large tonnage hydraulic jack
Large Hydraulic Jack
Prev： Electric Lifting Jack
Product Consulting
Related Products
Shanghai Yanyao Machinery Technology Co., Ltd.
Mobile: 0086-18816512330
E-mail: ceo@sh-yyjx.com
Office address: Room 1134, No. 6, Lane 65, Huandong 1st Road, Fengjing Town, Jinshan District, Shanghai, China.
Address of the factory: Shanghai Yanyao Machinery Technology Co., Ltd. (Jiangsu Branch), Anfeng Town Private Pioneer Park, Dongtai City, Yancheng City, Jiangsu Province, China.
Copyright © 2024 Shanghai Yanyao Machinery Technology Co., Ltd