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Product Description
JM Air Hoists Fixed Series(10~32t)
Product Introduction:
The JM Air Hoists Fixed Series (10–32t) represents the pinnacle of heavy-capacity pneumatic lifting technology, engineered for ultra-heavy material handling in the most demanding industrial sectors. With a lifting capacity spanning 10 to 32 tons, this series is designed to replace or complement large electric overhead cranes in environments where explosion safety, reliability, and extreme load capacity are non-negotiable.
Core Strengths:
1.Ultra-Heavy Load Capacity
Capable of handling loads from 10 tons up to 32 tons, the JM series employs multi-stage planetary gear reducers and high-efficiency vane-type air motors to deliver exceptional torque output while maintaining smooth acceleration and deceleration—even at maximum capacity.
2.Absolute Intrinsic Safety
With zero electrical components, the hoist completely eliminates ignition sources, making it the preferred solution for:
*Zone 0/1/2 explosive gas atmospheres
*Zone 20/21/22 combustible dust environments
*Methane-rich mining operations
*Offshore oil rigs and FPSO vessels
*Chemical reactors and solvent handling areas
3.Fixed Installation for Maximum Stability
Designed for permanent suspension from heavy-duty structural beams, gantries, or purpose-built support frames. The fixed configuration ensures optimal load alignment and minimizes pendulum swing when handling oversized or asymmetrical heavy loads—critical for safety in high-capacity operations.
4.Precision Control at Full Load
Pneumatic proportional valves enable stepless speed regulation, allowing operators to perform micron-level positioning of massive components—essential for:
*Turbine and generator installation
*Heavy press die changeover
*Large-bore pipe and vessel positioning
*Precision alignment of heavy machinery
Outline Dimensions (JM16-3/JM20-4):
Outline Dimensions (JM25-5/JM32-6):
| Model | JM10-2 | JM16-3 | JM20-4 | JM25-5 | JM32-6 | |
| A | mm | 1100 | 1260 | 1770 | ||
| B | mm | 266 | 318 | 428 | ||
| C | mm | 147 | 174 | 159 | 256 | |
| D | mm | 310 | ||||
| E | mm | 646 | 764 | |||
| F | mm | 310 | 370 | |||
| G | mm | 336 | 394 | |||
| Hmin | mm | 970 | 1150 | 1600 | ||
| J | mm | 90 | 151 | |||
| K | mm | 176 | 167 | 277 | ||
| φ | mm | 63 | 71 | 90 | ||
| M | mm | 50 | 56 | 71 | ||
Technical Parameters:
| Model | JM10-2 | JM16-3 | JM20-4 | JM25-5 | JM32-6 | |
| Duty Classification | M3 | |||||
| Lifting Capacity | t | 10 | 16 | 20 | 25 | 32 |
| Lifting Height | m | 3 | ||||
| Number of Chain Falls | 2 | 3 | 4 | 5 | 6 | |
| Motor Output Power | kW | 3.5 | ||||
| Working Pressure | bar (kg/cm²) | 6 | ||||
| No-load Lifting Speed | m/min | 2.8 | 1.8 | 1.4 | 1.1 | 0.9 |
| Full-load Lifting Speed | m/min | 1.0 | 0.8 | 0.55 | 0.5 | 0.4 |
| Full-load Lowering Speed | m/min | 3.0 | 1.6 | 1.3 | 1.2 | 1.0 |
| Air Consumption | m³/min | 5.5 | ||||
| Air Inlet Connection | in | Rc3/4 | ||||
| Air Hose Size (I.D.) | mm | 25 | ||||
| Chain Size | mm | 16×45 | ||||
| Control Hose Length | m | 3 | ||||
| Noise Level (Full-load Lifting) | dB | 78 | ||||
| Noise Level (Full-load Lowering) | dB | 80 | ||||
| Weight | kg | 148 | 230 | 280 | 300 | 330 |
| Notes: 1.The control hose length is configured based on the standard lifting height of 3m. 2.The net weight is calculated based on a lifting height of 3m. 3.When the working pressure is 4 bar, the hoist must be operated at a reduced load capacity. For details or any special requirements, please contact our sales engineers. | ||||||
Primary Applications:
*Heavy equipment manufacturing and assembly
*Mining and underground operations
*Oil & gas platform construction and maintenance
*Power generation (turbine/generator handling)
*Steelmaking and heavy metal fabrication
*Large-diameter pipeline installation
*Shipbuilding and dry-dock operations
*Heavy machinery overhaul and maintenance shops
