Primary Vertical Damper for New Energy Locomotive

Locomotive Parts manufactured under strict railway quality standards with comprehensive laboratory validation.

Key Technical Features

• Installation length: 450 mm

• Dynamic test stroke: ±23 mm

• Nominal damping force:

• 7,000 N ±15% @ 0.15 m/s

• 12,000 N ±15% @ 0.30 m/s

• Operating temperature verification:

• -40°C ±2°C

• +70°C ±2°C

• Damping force variation:

• ≤ ±40% at low temperature

• ≤ ±20% at high temperature

• Durability test:

• 5 million cycles (low frequency)

• 6 million cycles (high frequency)

• Corrosion resistance:

• 300-hour neutral salt spray test

• Leakage performance:

• No oil leakage after cyclic testing

• Damping force stability:

• Variation ≤10% after endurance testing

Advantages

• High vibration isolation efficiency

• Long maintenance interval

• Stable damping performance

• Excellent temperature adaptability

• Corrosion-resistant structure

• Suitable for heavy-duty locomotive operation

• Cost-effective life-cycle performance

Primary Vertical Damper products can be customized for a wide range of rail vehicles:

High-speed trains

Metro vehicles

Urban rail transit

New energy locomotives

Electric locomotives

Diesel locomotives

Passenger coaches

Freight wagons

Large track maintenance machines

Available damper categories include:

Primary Vertical Dampers

Secondary Vertical Dampers

Lateral Dampers

Anti-Yaw Dampers

Motor Dampers

Cab Dampers

Suspension Dampers

Special Customized Dampers

1. Can you provide customized railway dampers?

Yes. We support full customization based on drawings, technical specifications, operating conditions, or vehicle models.

2. Do you provide OEM services?

Yes. OEM manufacturing is available for railway operators, rolling stock manufacturers, and maintenance organizations.

3. Do you provide ODM development?

Yes. Our engineering team can participate in complete damper design, validation, testing, and production.

4. What railway vehicles can be supported?

We can customize dampers for high-speed trains, metros, urban rail vehicles, locomotives, passenger coaches, freight wagons, and large maintenance equipment.

5. Do you have professional testing capability?

Yes. We rely on an advanced railway damper laboratory with both CNAS and CMA certifications, representing a leading technical level in China.

6. How do you ensure product quality?

Each product undergoes dimensional inspection, damping performance testing, leakage testing, durability verification, and environmental testing before delivery.

7. Can you provide damper overhaul and repair services?

Yes. We provide both new manufacturing and overhaul services. Operators can reduce maintenance costs while maintaining equivalent product performance standards.

8. Have your dampers been used in high-speed railway projects?

Yes. Our products have been applied in multiple railway projects, and dampers for CR450 high-speed train platforms have entered the testing and validation stage.

9. What warranty and after-sales support do you provide?

We provide technical support, quality warranty, installation guidance, failure analysis, spare parts support, and long-term service agreements.

10. Can agents and railway operators cooperate with your company?

Yes. We welcome railway operators, metro companies, maintenance organizations, rolling stock manufacturers, and regional agents worldwide. Small-batch trial orders are also supported before long-term cooperation.

Shock Absorber Hydraulic solutions from a professional Chinese railway supplier combine advanced engineering, verified testing capability, stable product quality, and competitive pricing. Supported by CNAS and CMA certified laboratory resources and extensive railway project experience, we provide customized damping solutions, overhaul services, OEM/ODM cooperation, and long-term technical support for global railway operators and rolling stock manufacturers. We welcome partners worldwide to visit our facilities, conduct product evaluations, and explore future railway damper development opportunities.