The Single-Acting Thin Self-Locking Hydraulic Jack is a compact lifting tool designed specifically for applications with limited vertical space. Featuring a low-profile hydraulic cylinder, it provides strong lifting force in confined environments where traditional jacks cannot operate.
After the jack reaches the required lifting height, its unique mechanical self-locking structure automatically engages. Even if hydraulic pressure is lost, the jack can securely support the load, significantly enhancing operational safety.
This self-locking mechanism makes it suitable for demanding industrial, construction, and rescue applications where stability and reliability are critical.
The jack is widely used across civil engineering, transportation, heavy industry, equipment installation, and emergency rescue.
① Bridge and Building Lifting
Synchronous lifting of bridge decks
Replacement of bridge bearings
Structural correction or horizontal movement of buildings
Precision leveling during construction reinforcement
② Heavy Equipment Installation
Ideal for tight installations where traditional jacks cannot be placed. Common uses include:
Positioning and alignment of industrial machinery
Installation of large production equipment
Maintenance and relocation of heavy mechanical systems
③ Emergency Rescue Operations
Used in emergency response scenarios such as:
Opening deformed vehicle structures after accidents
Lifting heavy objects during search and rescue
Providing temporary support in collapsed or confined spaces
④ Widely Used in Multiple Industries
Applicable for:
Foundation testing
Road and bridge engineering
Railway and metro tunnel construction
Building reinforcement
Factories, mining, and infrastructure projects
The thin design and self-locking capability make it a versatile tool across many sectors requiring safe, reliable lifting in restricted environments.
① Rated Working Pressure: 63 MPa
Engineered for high-load applications with reliable hydraulic performance.
② Single-Acting Design with Load Return
Hydraulic force lifts the plunger, and load weight provides automatic return.
This design simplifies operation and ensures stable performance.
③ Ultra-Thin Low-Profile Structure
Perfect for:
Limited-height spaces
Under-machine lifting
Applications requiring compact, portable tools
The reduced height allows operations in challenging areas such as structural gaps, narrow foundations, and congested installation sites.
④ Capable of Handling 3% Side Load
The cylinder structure is designed to tolerate side loads up to 3% of its rated capacity, ensuring reliability even under slight misalignment.
This robustness enhances safety and extends service life under real working conditions.
⑤ Self-Locking Mechanism Ensures Safety
Even after the hydraulic source is removed, the jack maintains load support, preventing accidental lowering and improving workplace protection.
Model | Rated Pressure (MPa) | Capacity (T) | Stroke (mm) | Saddle Diameter (mm) | Plunger Thread | Cylinder OD (mm) | Height (mm) | Weight (kg) |
HY-ZS100 | 63 | 100 | 50 | 125 | Tr140×6 | 180 | 160 | 30 |
HY-ZS160 | 63 | 160 | 50 | 160 | Tr180×6 | 230 | 170 | 55 |
HY-ZS200 | 63 | 200 | 50 | 180 | Tr200×6 | 270 | 180 | 80 |
HY-ZS260 (300) | 63 | 260 (300 optional) | 50 | 220 | Tr250×6 | 320 | 185 | 120 |
HY-ZS400 | 63 | 400 | 45 | 250 | Tr280×6 | 353 | 185 | 142 |
HY-ZS500 | 63 | 500 | 45 | 290 | Tr320×6 | 420 | 205 | 220 |
Safe and reliable self-locking design
Professional low-height lifting solution
Durable construction for industrial environments
High-capacity options up to 500 tons
Suitable for confined spaces and critical support tasks
Excellent for export customers seeking safety and operational stability
Single Acting Low Height Lock Nut Hydraulic Cylinder
Features
Max.Working pressure: 700bar
Single acting design, load return
Suitable for lifting work which requires plunger extends fora long time
Mechanical nut bearing with the load, so it can tighten the mechanical nut at any position in the stroke to make sure the operation safety
Ultra-thin design, suitable for highly limited space
Lateral load supported is equivalent 3% load capacity
Cylinder equipped with ball type saddle to adapt component rough.
Optional manual check valve can be used at the same time to ensure the safety of lifting and lowering process
3/8-18NPT coupler and dust cap included on all models
| Model | Capacity (T) | Closed Height A (mm) | Stroke (mm) | Effective Area (cm²) | Oil Capacity (cm³) | Extended Height B (mm) | Saddle Diameter J (mm) | Plunger Diameter (mm) | Outside Diameter D (mm) | Weight (kg) | ||||
| CLP-602 | 60 | 125 | 50 | 86.6 | 432 | 175 | 96 | Tr104×4 | 140 | 15 | ||||
| CLP-1002 | 100 | 137 | 50 | 146.8 | 734 | 187 | 126 | Tr136×6 | 175 | 26 | ||||
| CLP-1602 | 160 | 148 | 45 | 231.3 | 1040 | 193 | 160 | Tr171×6 | 220 | 44 | ||||
| CLP-2002 | 200 | 155 | 45 | 285.6 | 1285 | 200 | 180 | Tr190×6 | 245 | 57 | ||||
| CLP-2502 | 260 | 159 | 45 | 366.8 | 1650 | 204 | 200 | Tr216×6 | 275 | 74 | ||||
| -CLP-4002 | 400 | 178 | 45 | 559.5 | 2517 | 223 | 250 | Tr266×6 | 350 | 134 | ||||
| CLP-5002 | 520 | 192 | 45 | 730.6 | 3287 | 237 | 290 | Tr305×6 | 400 | 189 | ||||
The Detachable Hydraulic Jack is a versatile and practical lifting tool widely used in industrial and construction sectors. Its key feature is the separation of the power source—the hydraulic pump—and the lifting component—the hydraulic cylinder—connected via a high-pressure oil hose. This design allows flexible operation, easier maintenance, and safer handling in complex working environments.
With its robust build and reliable hydraulic performance, the detachable hydraulic jack is suitable for applications demanding high load capacity and precise control.
In modern infrastructure projects, precision and safety are paramount. Whether you are constructing a new bridge or performing major repairs on an existing structure, the lifting process of large and heavy components requires specialized equipment designed for synchronization, control, and safety. Our Synchronous Lifting Hydraulic System is engineered to meet these demanding needs, offering a reliable and efficient solution for bridge lifting projects. This system is designed to provide controlled, synchronized lifting at multiple points, ensuring that the structure is lifted evenly and safely, preventing any potential damage during the operation.
The Ultra-High Pressure Manual Hydraulic Pump is a hand-operated device capable of generating extremely high hydraulic pressure ranging from 100 MPa to 400 MPa. Designed for environments where electricity is unavailable, restricted, or hazardous—such as offshore platforms, explosive zones, and field maintenance—this pump converts manual mechanical force into stable high-pressure hydraulic energy.
It serves as a reliable power source for a wide range of high-pressure hydraulic tools and industrial applications.
Westcoast New Area, Qingdao City ,Shandong Province ,China
