VT Chain Block – Compact Manual Hoist for Space-Constrained Operations
url-slug: vt-chain-block-compact
Designed for high-altitude and space-limited applications, the VT chain block combines compactness with high performance. It is available in capacities from 0.5 to 50 tons and features a robust construction with Grade V load chain and forged alloy hooks. The VT model is ideal for precision positioning and installation, offering smooth operation and a high safety factor.
Key Selling Points
- Compact Design: Ideal for space-constrained and high-altitude operations, enhancing maneuverability.
- Durable Load Chain: Made from Grade V or T material, providing long-term reliability.
- Forged Alloy Hooks: Guarantee strong grip and secure lifting.
- Low Pull Force (≤35 daN): Reduces operator fatigue, improving productivity.
- Complies with International Standards: CE marked, meets ISO 16872, EN 13157, ASME B30.21.
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
Constructed from high-strength alloy steels such as 20Mn2, 25MnV, and 23MnNiMoCr54, the VT chain block ensures excellent mechanical properties and long service life. The compact casing is made of painted steel, and all hooks are forged and heat-treated for maximum strength.
Applications
The VT chain block is perfect for precision installation, high-altitude operations, maintenance work, and emergency repairs in industries such as manufacturing, construction, shipbuilding, mining, and petrochemicals.
Customization
Explosion-proof versions, special hook configurations, and custom lift heights are available upon request. Contact us for more details.
Case Study
In bridge construction, the VT model was used for precise positioning of precast beams, delivering reliable performance over a two-year period.
FAQ
What is the compactness advantage of VT?
VT model has a more compact structure, ideal for confined spaces.
What is the load capacity range?
Capacities range from 0.5t to 50t.
Does it meet safety standards?
Yes, it complies with ISO 16872 and ASME B30.21, and is CE certified.
What is the standard lift height?
Standard is 3m, but can be customized to 2.5-12m.
What is the pull force on hand chain?
It's ≤35 daN up to rated load.
Are explosion-proof options available?
Yes, upon request.
What is the MOQ?
Minimum order is 50 pieces.
Inquiry Information
For inquiries, contact us:
- Email: Junyunsteven@163.com
- Tel: +86 13483452631
- WhatsApp: +86 134-8345-2631
Payment terms: 30% T/T advance, 70% against B/L copy.
