Hydraulic Dampers for Bridge and Building Vibration Control

• Customization: Available
• After-sales Service: Installation Guide
• Warranty: 1-3 Years
• Certification: DIN, JIS, GB, BS, ASTM, AISI
• Carrying Capacity: 100-10000kn
• Displacement: ±10-±500mm
• Fixed Way: Bolted
• Shipping Method: Shipping by Sea or as Per Buyer’s Request
• Quality Standard: International Standards
• Transport Package: Pallets, Rainproof Film Packaging
• Specification: 50KN-10000KN
• Trademark: Ansha, Hebei, China
• Origin: Hengshui, Hebei, China
• Production Capacity: 50000pieces/Year

Product Description

Hydraulic damper is a damping device that uses special valve control to control the movement of the hydraulic cylinder piston to suppress the impact of periodic loads or impact loads on pipelines and equipment. Its performance characteristics can be summarized in four words: "hardness and softness": when the pipeline is in normal working condition, it can adapt to the slow movement of the pipeline caused by changes in the cold and heat of the medium and produce almost no damping on the pipeline, which is the so-called " "Soft"; under special accident conditions (such as earthquakes, water hammer, steam hammer, safety valve exhaust, broken pipes, etc.), when the pipeline is subject to an instant impact, the hydraulic damper becomes a nearly rigid mechanism to support the pipeline, and the impact load is Vibration energy can be quickly absorbed and transmitted, thereby reducing the impact amplitude of the pipeline and achieving buffering and earthquake resistance requirements.
 

 

Detailed Photos

Application Scope

 

Due to its excellent vibration reduction performance, hydraulic dampers are widely used in the vibration resistance of pipelines, important equipment and main load-bearing beams (supports) in nuclear power, thermal power, petrochemical, steel, wind energy, solar energy and other industries; they can effectively protect pipelines , equipment, main load-bearing beams (supports), etc. are protected from damage by accidental impact loads.
Common working conditions that produce occasional impact loads include:
Inside the system: water hammer, steam hammer, safety valve exhaust, main steam valve quick closing, boiler explosion, broken pipe, etc.
Outside the system: earthquakes, wind loads, impacts from foreign flying objects, etc.
 

Product Features

 

1. The displacement indication is clear and clear;
2. Simple appearance, symmetrical and compact structure, convenient installation and small installation space;
3. The friction resistance is small, generally lower than 1%-2% of the rated load;
4. Large damping force and small dynamic response time;
5. Both ends of the damper are equipped with spherical bearings, allowing a swing angle of ±6° during operation;
6. The damping valve with special structure has high working reliability;
7. The hydraulic medium uses stable, flame-resistant silicone oil, and the seals use rubber materials with good tolerance to various environments.
 

Installation Instructions

 

 

Packaging & Shipping

 

 

 

Company Profile

 

Hebei Ansha New Material Technology Co., Ltd. is located in Binhu New District of Hengshui City. We specialize in R&D and production of seismic isolation and damping products for both buildings and bridges. Our products include rubber bearings, spherical bearings, friction pendulum systems, fluid viscous dampers, tuned mass dampers, buckling-restrained braces, friction dampers and metallic dampers. In addition, we manufacture bridge expansion joints and fiber-enhanced plastic products.
We have established state-of-the-art physical and chemical laboratories and specialized production lines. Our company operates in full compliance with the ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, and ISO45001:2018 Occupational Health and Safety Management System.
Guided by the anti-seismic design principle of "resisting collapse in a major earthquake, enabling repair in a moderate earthquake, and remaining undamaged in a minor earthquake", we offer our customers a comprehensive array of services. These services include technical consultation, structural analysis and calculation, design optimization, research and development, manufacturing, installation guidance, performance monitoring, maintenance and repair.
 

 

Our Advantages

1. Advanced equipment. Our workshop has more than 100 pieces of the most advanced equipment to ensure timely delivery of large orders. In addition, standardized production can be guaranteed to comply with international standards.
2. Experienced and skilled technical and production teams have professional production skills and many years of experience. Our team of workers can improve production efficiency, shorten the production cycle, and thereby reduce costs.
3. Complete product models, we have a variety of bearings for construction, including basin bearings, elastic skateboard bearings, spherical bridge bearings, high damping spherical bearings, lead rubber bearings, etc.
4. Exquisite packaging and timely delivery. All products are inspected by quality inspection personnel before loading, and then the quality inspection data are archived and retained. Our company also produces isolation products and vibration control products.
5. The professional sales team has a comprehensive understanding of shock absorption and isolation products, good English speaking and writing skills, and excellent communication skills to provide the best solutions to your problems. You can ask them for recommendations, customized services, and any other product information you want to know about.
 

FAQ

1. Are you a trading company or manufacturer?
    We are manufacturer and have our own factory
2. What certificate do you get?
    ISO9001:2015 quality management system certification, 
    ISO14001:2015 environmental management system certification, 
    ISO45001:2018 occupational health and safety management system certification
3. What is your MOQ?
    1 Pieces
4. What is your delivery time for mass production?
     Customized product design time: Based on the performance parameters provided, the detailed design of the product will be           completed within 7 working days
     Peak season delivery time: 1.5~2 months after confirmation of product processing drawings
     Off-season delivery time: Within 25~35 working days after confirmation of product processing drawings
5. Can you do OEM?
      We can. OEM orders are welcome.
6. What is your policy sample?
    We provide free scale samples, and buyers bear the express delivery costs.
7. How long does it take to prepare samples?
     About 7-10 working days