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Boom Lift Cylinder
Boom lift cylinders are critical hydraulic components specifically engineered for aerial work platforms and access equipment. These double-acting hydraulic cylinders provide the reliable, controlled extension and retraction necessary for safe and efficient boom operation, supporting heavy loads at significant heights.
Description
Products Description
Boom lift cylinders are critical hydraulic components specifically engineered for aerial work platforms and access equipment. These double-acting hydraulic cylinders provide the reliable, controlled extension and retraction necessary for safe and efficient boom operation, supporting heavy loads at significant heights.
Constructed to endure rigorous cyclic loads and variable environmental conditions, boom lift cylinders feature robust materials and precision manufacturing. The cylinder barrel is typically made from high-strength steel tubes (such as ST52, SAE1045, or forged steel for larger diameters), honed to an inner surface roughness of R0.2–R0.4. Optional internal chrome plating enhances wear and corrosion resistance-essential for outdoor and harsh applications.
Designed to operate at pressures up to 700 bar (10,150 PSI) and with stroke lengths ranging from 50 mm to 16,000 mm, these cylinders are integral to the safety and functionality of boom lifts. They are widely used in construction, maintenance, telecommunications, and forestry industries.
Supported by quality bearings from manufacturers like SKF or LONGXI, and compliant with international standards including DIN2391 and ISO 9001:2015, boom lift cylinders deliver the strength, precision, and reliability required to keep aerial operations running smoothly and safely.
Technical Specifications
| Parameter | Specification |
|---|---|
| Bore Diameter | Up to 1200 mm |
| Max Stroke | 10,000 mm (10 m) |
| Max Lifting Capacity | 50 Tons |
| Operating Pressure | Up to 700 bar |
| Tube Material | SAE1020, SAE1045, 27SiMn, ST52-3, etc. |
| Piston Rod Material | SAE1045, 42CrMo4, Stainless Steel (SUS304/316L) |
| Surface Hardness | HRC 55–60 |
| Chromating Thickness | 20–50 μm (optional) |
| Lead Time | 30–45 days |
| Warranty | 1 year |
Manufacturing & Quality Assurance
At Jiangsu YingNaiSi, we combine advanced manufacturing with rigorous testing to produce boom lift cylinders that meet the highest standards of safety, durability, and performance.
Tube Selection & Processing
ID ≤ 300 mm: Cold rolled precision seamless tube
300–500 mm: Hot rolled seamless tube
500–1000 mm: Forged tube
Inner surface honed to R0.2–R0.3 roughness
Optional internal chrome plating available
Welding & Assembly
All welds (tube/flange) undergo ultrasonic testing
No-leak guarantee throughout cylinder lifetime
Each cylinder is pressure tested at 30–50% above working pressure
Pressure holding time: 30–60 minutes
Full Testing Program
Pressure-tight test
Leak test
Full stroke test
Buffer test
Load efficiency test
Reliability test
Applications
Our boom lift cylinders are widely used in:
Construction & maintenance platforms
Telecommunications & utility access equipment
Forestry & forestry equipment
Municipal and industrial aerial work vehicles
Production process
Application
Excavator
Agriculture equipment
Key Features
- High Load Capacity: Supports heavy loads at extended heights
- Robust Construction: High-strength steel tubes, honed inner surface (R0.2–R0.4)
- Corrosion Resistance: Optional internal chrome plating for harsh environments
- Wide Pressure Range: Up to 700 bar (10,150 PSI)
- Custom Stroke Lengths: 50 mm to 16,000 mm
- International Compliance: DIN2391, ISO 9001:2015 standards
- Quality Seals: Parker, Merkel, or NOK sealing systems
Design & Customization
We provide full design support for boom lift cylinders based on your specific requirements. To assist our engineering team, please provide:
Rated pressure, working pressure, test pressure
- Working conditions (temperature, frequency, environment)
- Force requirements (pulling & return stroke)
- Speed specifications
- Assembly dimensions
- Seal preferences (brand, material)
- Material requirements for tube & piston rod
- Surface treatment specifications
- Painting and spare parts requirements
FAQ
Q: Can you design a cylinder based on our operating environment?
A: Yes, we provide custom design services based on your specific pressure, load, temperature, and environmental conditions.
Q: What is your maximum cylinder bore size?
A: We can manufacture cylinders with bore diameters up to 1200 mm.
Q: Do you provide test certificates?
A: Yes, each cylinder is delivered with a complete test report including pressure, leakage, and performance data.
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