Hydraulic Railway Suspension Damper - 160 km/h Speed Rating, -40℃ to +70℃ Temperature Range, 10-Year Design Life
Price:
USD 150-200 PC
MOQ:
1 pc
Delivery Time:
35-45 days
Brand:
HTR
Product Description
Railway Suspension Damper Overview
A hydraulic railway damper is engineered to absorb and reduce shock impulses during railcar operation, effectively minimizing noise and track wear. These dampers are compatible with diesel and electric locomotives, passenger mainline coaches, and multiple-unit trains. This specific model is a primary vertical damper (axle box damper) designed to control vertical movement between the axle box and bogie, specifically addressing nodding vibration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Type | Secondary Vertical Oil Damper of Suspension System |
| Standard | TB/T1491 EN13802-2015 |
| Certificate | ISO 9001, CRCC, IRIS, EN15085-2 |
| Production Capacity | 10,000 units per month |
| Material | Steel and Rubber |
| Working Temperature | -40℃ to +70℃ |
| Unsymmetry | ≤10% |
| Size | Customized |
| Design Lifetime | 10 years or 2.4×10^6 cycles |
| Guarantee | 12 months |
Product Advantages
- CRCC approved certification
- Compliant with TB/T1491-2015 and EN13802-2015 standards
- Compatible with train speeds up to 160 km/h
- Over 100 standard sizes available with custom options
- Resistant to sand, rain, snow, strong sunlight, corrosive air, salt atmosphere and ozone
- Excellent endurance: 5×10^6 cycles at low frequency and 6×10^6 cycles at high frequency
Main Structure Components
1. Rubber bush | 2. Tube | 3. Piston rod | 4. Nut | 5. Nut | 6. Retainer | 7. Corrugated oil seal | 8. Guide cover | 9. Inner tube | 10. Seat valve | 11. Tube | 12. O-seal | 13. Piston | 14. Piston ring | 15. Bellow pot
Hydraulic Damper Technical Drawings
Standard Type Specifications
Type A Dimensions
| Lmin (mm) | Lmax (mm) | D1 (mm) | D2 (mm) | D3 (mm) | D4 (mm) | D5 (mm) | Thread |
|---|---|---|---|---|---|---|---|
| 280 | 380 | 95 | 83 | 73 | 84.5 | 40 | 20×1.5 |
| 398 | 583 | 95 | 83 | 73 | 84.5 | 41 | 20 |
| 321 | 441 | 95 | 83 | 73 | 84.5 | 41 | 20 |
| 315 | 450 | 95 | 83 | 73 | 84.5 | 41 | 20 |
| 330 | 480 | 95 | 83 | 73 | 84.5 | 41 | 20 |
Type B Dimensions
| Lmin (mm) | Lmax (mm) | D1 (mm) | D2 (mm) | L0 (mm) | d (mm) |
|---|---|---|---|---|---|
| 752 | 1287 | 95 | 83 | 58 | 24 |
| 430 | 630 | 95 | 83 | - | - |
| 350 | 530 | 80 | 70 | 108 | 14 |
| 410 | 590 | 95 | 83 | 108 | 14 |
| 325 | 435 | 95 | 83 | 140 | 18 |
Connection Methods
Application Scenarios
Related Railway Damper Products
Primary Oil Damper
Consists of vertical and lateral oil dampers designed to control nodding vibration and bouncing vibration between carbody and bogie.
Yaw Damper
Specialized dampers that control sine wave effects of the bogie, enhancing safety at medium and high speeds.
Coupling Damper
Improves braking quality and precision when towing by assisting with gradual brake application.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Chongqing Hengtairail Equipment Co.,Ltd.
Location
A1-3-1, Xinrui Zone, No. 25-1-3, Keyuan 1st Street, Jiulongpo District, Chongqing
Contact Person
Wei Dong