VT Heavy Duty Manual Chain Hoist 0.5T–20T

Strong Structural Design: Triangular steel housing provides uniform force distribution, high stability, and excellent load-bearing capacity.
Durable Components: High-strength alloy steel chain, reinforced hooks, and impact-resistant housing ensure long service life.
Safe Braking Performance: Dual-pawl braking system delivers quick response, precise positioning, and reliable lifting safety.
Flexible Manual Operation: No power supply required, with lightweight pulling force for efficient use in factories, construction sites, and outdoor environments.

Product Detail

Heavy Duty Manual Chain Hoist Description

Heavy Duty Manual Chain Hoist from Benteng Hoist is a robust, precision-engineered hand-operated lifting device built for demanding industrial environments where electric power is unavailable or hazardous. Featuring a specialized triangular body structure, this high-capacity manual chain block delivers uniform load distribution and extreme casing rigidity, effectively shielding internal transmission gears from impact, dust, and abrasive wear.

Equipped with heat-treated drop-forged manganese steel safety hooks, a high-tensile G80 grade alloy load chain, and an instantaneous dual-pawl mechanical braking system, this reliable hand operated hoist enables operators to achieve smooth vertical lifting and millimeter-precise positioning with minimal pulling force. Treated with anti-corrosion and wear-resistant protective coatings, the heavy duty manual chain hoist is an ideal solution for off-grid construction sites, shipbuilding yards, steel erection, and heavy machinery overhaul.

Key Advantages

High-Strength Alloy Steel Anti-Fall Housing: Reinforced alloy steel shell with anti-rust treatment provides exceptional durability and resistance against mechanical impact in harsh working conditions.
Uniform Stress Distribution: The classic triangular layout enhances structural rigidity, keeping drive shafts aligned and internal gears running smoothly under high tonnage.
Dual-Pawl Safety Braking System: Double-pawl ratchet brake system engages immediately when pulling stops, preventing load slipping and ensuring reliable hold under full capacity.
Low Pulling Effort Transmission: Precision-machined gear tooth profiles minimize manual effort, allowing effortless pulling even under maximum rated workloads.
Complete Load Range (0.5T to 20T): Offers full coverage from 0.5 Ton up to 20 Ton working limits to suit light equipment positioning as well as heavy industrial rigging.

Product Specifications

Model	0.5T	1T	1.5T	2T	3T	5T	10T	20T
Lifting capacity (T)	0.5	1	1.5	2	3	5	10	20
Lifting height (m)	2.5	2.5	2.5	2.5	3	3	3	3
Experimental load (T)	0.625	1.25	1.875	2.5	3.75	6.25	12.5	25
Distance between two hooks (mm)	270	270	368	444	486	616	700	1000
Bracelet tension when fully loaded (N)	225	309	343	314	343	383	392	392
Number of lifting chain rows	1	1	1	2	2	2	4	8
Lifting chain diameter (mm)	6	6	8	6	8	10	10	10

Industrial Applications

The heavy duty manual chain hoist is engineered for high-intensity, unpowered lifting applications across core industrial sectors:

Construction Sites & Steel Erection: Lifting structural steel beams, concrete forms, and scaffolding modules on high-rise and infrastructure sites.
Factory Workshops & Machinery Installation: Moving CNC machines, die molds, heavy motors, and power transformers during overhaul or assembly line setup.
Shipbuilding & Marine Repair: Maneuvering engine room parts and heavy steel plates in tight ship holds where power availability is restricted.
Warehousing, Logistics & Mining Operations: Handling heavy equipment crates in logistics hubs, underground mine shafts, and railway maintenance yards.

Products Details

Increasing the lifting chain disk for easier ascent and descent

The dual brake system responds quickly, is safe and reliable

Alloy steel anti fall cover shell has strong impact resistance

Manganese steel anti stripping hook has full toughness, safety and reliability

Internal Structure

Top Manganese Steel Safety Hook: Drop-forged manganese steel hook equipped with a heavy-duty spring-loaded safety latch, designed to yield slowly without sudden fracturing under severe overload conditions.
Alloy Steel Anti-Fall Housing Shell: Deep-drawn alloy steel casing with anti-rust finish protects internal spur drive gears and brake mechanisms from external collisions and weather exposure.
G80 Manganese Steel Load Chain: Heat-treated G80 alloy steel chain featuring high tensile strength, wear resistance, and long service life under repetitive heavy-load cycles.
Bottom Manganese Steel Safety Hook: 360-degree swivel bottom hook drop-forged from manganese steel, ensuring smooth load alignment and preventing chain twisting during lifting operations.

Safety Testing & Quality Control

As a dedicated heavy-duty chain hoist manufacturer, Benteng Hoist enforces strict quality assurance protocols across all manufacturing batches:

Proof Load Testing: Every hoist undergoes dynamic and static factory testing under rated capacity and proof load up to 125% of maximum WLL.
Component Metallurgical Inspection: All drop-forged hooks, G80 load chains, drive spur gears, and braking pawls undergo strict dimensional tolerances and hardness verification.
Brake Hold Verification: Dual-pawl friction braking mechanisms are tested under full load to ensure instantaneous ratchet engagement and zero slippage.

OEM Customization & B2B Solutions

Benteng Hoist supports OEM order fulfillment for international equipment distributors, import trading firms, and engineering contractors:

Custom Lift Heights: Load chains and hand chains customized to any required length (e.g., 3m, 6m, 9m, 12m, or higher).
Integrated Overload Limiter: Optional mechanical friction clutch to prevent accidental operation beyond maximum rated capacity limits.
Custom Powder Coating & Branding: Customized housing colors, metal nameplate etching, and private-label packaging options.
Trolley Integration: Pre-assembled supply options paired with manual push trolleys or geared monorail trolleys for seamless I-beam installation.

Frequently Asked Questions

Q1: What makes a heavy duty manual chain hoist suitable for outdoor construction?

A: It features an anti-rust treated alloy steel casing, galvanized hand zipper chain, and heat-treated G80 manganese steel load chain, protecting internal drive parts against dust, moisture, and impact damage without requiring electric power.

Q2: How does the dual-pawl braking system enhance safety?

A: The dual-pawl mechanism uses two independent pawls engaging simultaneously with the ratchet wheel. When pulling stops, the pawls hold the load securely at the exact position without slipping.

Q3: Can this heavy-duty hoist be paired with an I-beam trolley?

A: Yes. The top hook connects directly to manual push trolleys or geared monorail trolleys, allowing both vertical lifting and horizontal travel along overhead I-beams or H-beams.

Q4: What capacity range is available for the heavy duty triangular chain hoist?

A: Benteng Hoist supplies working load limits ranging from 0.5 Ton (500 kg) up to 20 Tons (20,000 kg) with customizable lift heights.

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