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- A4
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Lifting hook
Engineered for space-saving efficiency without compromising strength.
Superior structural design ensures stability even at maximum load.
Standard speed for everyday lifting tasks.
Low-speed mode for precision operations:
Machine tool maintenance
Sandbox molding
Delicate cargo handling
Wider applicability than single-speed (CD1) models.
Large-tonnage lifting capacity for industrial demands.
Reinforced construction for durability under extreme loads.
Certified for flammable environments (chemical, oil & gas, mining).
Explosion-proof components:
Aluminum/beryllium bronze wire rope (spark-resistant).
H62 copper alloy housing (anti-corrosion, non-ignition).
Heat-treated gears for wear resistance.
Motor: Taper rotor brake motor (Nanjing Special Motor Factory) – 3x rated torque, frequent start-stop capable.
Gearbox: Hardened gears + ball/roller bearings → smooth, low-friction operation.
Wire Rope: Export-grade steel, 6x safety factor, anti-slip drum design.
Hook: 150% load-tested, ball-bearing sheaves, thickened pulley for longevity.
Quick-disassembly design: Gearbox, motor, drum, and controls are independently accessible – reduces downtime.
Capacity: Up to 20+ tons.
Lifting height: 30m–100m+.
Options: Single/double drum, dual hooks, voltage adaptation (380V/36V/24V).
✅ Safety First: Spark-free operation in volatile atmospheres.
✅ Precision Control: Dual-speed MD1 model for versatile applications.
✅ Heavy-Duty Build: HC series for demanding industrial loads.
✅ Low Maintenance: Modular parts + wear-resistant materials.
✔ Industries: Petroleum, chemical plants, mining, gas production, grain processing.
✔ Environments: Areas with combustible dust or explosive gases (ATEX/IECEx certified).
✔ Key Safety Feature: No mechanical sparks – prevents ignition in volatile atmospheres.
✔ Mounting Options:
Single-girder cranes
Bridge/gantry cranes
Jib cranes (with minor modifications)
Winch applications
✔ Common Uses:
Factories: Assembly lines, machinery handling.
Warehouses: Loading/unloading goods.
Ports & Logistics: Cargo stacking, container yards.
Mines: Equipment maintenance, material transport.
✔ MD1 Advantage: Dual-speed control for precision tasks (e.g., machine tool repair).
✔ Ideal for:
Oil & Gas: Refineries, drilling platforms, fuel depots.
Chemical Plants: Handling flammable liquids/powders.
Pharmaceuticals: Ethanol or solvent production areas.
Power Stations: Coal dust-prone sections.
✔ Unique Setup:
Paired with explosion-proof monorail trolleys for safe transport.
Copper alloy components eliminate spark risks.
✔ Applications:
Steel Mills: Moving molten metal containers.
Shipyards: Lifting large engine parts.
Construction: Prefabricated concrete handling.
✔ Extended Reach: Up to 100m lifting height (e.g., deep mines, silos).
✔ Double-Hook Systems: For balanced heavy loads (e.g., wind turbine blades).
✔ Adaptable Voltage: 24V/36V/380V options for global compliance.
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