VD Chain Block – Durable Manual Hoist for Industrial Lifting
url-slug: vd-chain-block-manual-hoist
Product Summary
The VD chain block is a compact and robust manual hoist designed for heavy-duty lifting in demanding industrial environments. Available in capacities from 0.5 to 50 tons, it features a high-grade load chain (Grade V or T) and forged alloy hooks for maximum safety. The unit operates reliably in temperatures from -20°C to +50°C and is CE marked, meeting ISO 16872 and ASME B30.21 standards. With a safety factor of at least 4:1 for the chain, the VD hoist ensures secure lifting in manufacturing, construction, shipbuilding, and more.
Key Selling Points
- Wide Capacity Range (0.5–50t): Suitable for light to heavy lifting tasks across various industries, offering flexibility for diverse applications.
- High-Grade Load Chain (Grade V or T, per DIN EN 818-7): Ensures durability and resistance to wear, extending service life.
- Safety Factor ≥4:1 (chain) and ≥5:1 (structural parts): Provides a high margin of safety, meeting international standards for reliable operation.
- Forged Alloy Steel Hooks, Heat-Treated: Offers excellent strength and toughness for demanding lifting conditions.
- Corrosion-Resistant Finish: Painted housing (RAL 2000 or 1007) and zinc-plated hand chain resist corrosion, ideal for outdoor and harsh environments.
Technical Specifications
| Specification | Value |
|---|
| Rated Load Capacity | 0.5 – 50 t |
| Standard Lift Height | 3 m (2.5 – 12 m optional) |
| Number of Chain Falls | 1 – 4 |
| Load Chain Specification | Grade V (80) or Grade T (DIN EN 818-7) |
| Load Chain Diameter | 6.3 – 11.2 mm |
| Hand Chain Type | Round link, galvanised or zinc-plated |
| Hand Chain Length | Lift height + 0.5 m slack |
| Pull Force on Hand Chain | ≤ 35 daN (350 N) up to rated load |
| Headroom / Hook Distance (min) | 300 – 1000 mm |
| Hook Opening | 24 – 55 mm |
| Hook Material | Forged alloy steel, heat-treated |
| Safety Factor | ≥4:1 (chain) / ≥5:1 (structural) |
| Operating Temperature Range | -20°C to +50°C |
| Protection / Finish | Painted housing (RAL 2000 or 1007), corrosion-resistant chains |
| Standards | ISO 16872, EN 13157, ASME B30.21, CE marked |
Models and Options
- Capacities: 0.5t, 1t, 2t, 3t, 5t, 10t, 20t, 30t, 50t
- Lift heights: 3m standard, optional 2.5-12m
- Chain falls: 1, 2, 4 depending on capacity
Materials and Structure
The VD chain block is constructed from high-strength materials including 20Mn2, 25MnV, and 23MnNiMoCr54 steels for the load-bearing components. The housing is made of painted steel, and the hooks are forged from alloy steel and heat-treated for maximum strength. All components are designed for long-term durability and reliable performance in industrial environments.
Applications
This manual hoist is widely used in manufacturing, construction, logistics and warehousing, shipbuilding, mining, petrochemicals, power industry, bridge engineering, railway construction, automotive repair, agriculture, and stage construction. Its compact design makes it ideal for space-constrained and high-altitude operations.
Customization
Junyun Hoisting offers customization options including explosion-proof and high-temperature resistant configurations, various hook types, and special hand chain lengths to meet specific requirements. Contact us to discuss your needs.
Case Study
Importer in highway construction: 2000 units used over 2 years, demonstrated low loss and long-term durability, service life exceeding 2 years in demanding conditions.
FAQ
What is the safety factor of the VD chain block?
The chain has a safety factor of at least 4:1, and structural parts at least 5:1.
Can the lift height be customized?
Yes, standard is 3m, but optional 2.5-12m is available.
Does it comply with international standards?
Yes, it meets ISO 16872, EN 13157, and ASME B30.21, and is CE marked.
What is the operating temperature range?
It operates in temperatures from -20°C to +50°C with standard grease.
What are the available capacities?
Capacities range from 0.5t to 50t.
Is the hand chain galvanized?
Yes, the hand chain is round link and galvanised or zinc-plated.
What is the minimum order quantity?
MOQ is 50 pcs.
What payment terms are accepted?
30% T/T in advance, 70% T/T against copy of B/L.
Inquiry Information
For pricing and further details, contact us:
- Email: Junyunsteven@163.com
- Tel: +86 13483452631
- WhatsApp: +86 134-8345-2631
Delivery: FOB, EXW, CIF, CFR. Inspection: pre-shipment test, third-party inspection (SGS)
