Stockbridge Damper
Main Product Features
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High-precision steel cable and weight system
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Custom-tuned for specific span lengths and cable types
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Installed in pairs for optimal performance on both sides of hardware
OEM/ODM Service
FERR assists you throughout the project: selection of materials suitable for the electrical environment, optimization of mechanical load-bearing structures, corrosion-resistant surface treatments, analysis of interface compatibility, improvement of insulation properties, as well as customized installation dimensions and hardware accessories. We continue to provide you with solutions and assistance.
Large or Small Order
Whether you have a long term project that requires bulk deliveries or a small order with just a few samples, FERR will support you with the same professionalism and responsiveness.
Our flexible production model enables the rapid sampling of multiple categories and small quantities, as well as the stable production of large-scale customized parts. From engineering evaluation and process selection to sampling, quality control, and shipping, our team works efficiently together to ensure consistent and reliable delivery, regardless of the order size.
- FREE SAMPLE
- FREE DESIGN
*Provide your application requirements—such as stress conditions, materials, size range, and even product name. We are always available for customization, so please contact us directly.
Product introduction
The Stockbridge Damper is a precision-engineered tuned mass damper designed to suppress aeolian vibrations on outdoor electrical structures. By dissipating the kinetic energy caused by wind-induced turbulence, it prevents mechanical fatigue and extends the operational life of fragile conductors and wires.
Engineering Adaptability: Features a distinctive dumbbell (barbell) design consisting of a flexible messenger cable with weighted ends and a central clamp, effectively managing energy dissipation across a wide range of frequencies.
Metallurgical Integrity: Manufactured from high-grade solid aluminum and high-yield galvanized steel, maximizing resilience against extreme weather conditions while maintaining a lightweight, high-performance finish.
Quantified Mechanical Strength: Engineered to withstand the vagaries of nature, providing an “Invisible Strategic Backbone” that protects overhead power lines and OPGW systems from catastrophic vibration damage.
Dual-Track Technical Compliance: Fully compliant with international hot-dip galvanizing standards (ISO 1461) and engineered to bridge the technical requirements of both ANSI/IEEE and IEC engineering philosophies.
Precision Fitment: Optimized for clamping connectors ranging from 1.1″ to 1.7″, ensuring a secure, zero-play connection for various conductor sizes used in power lines and cable-stayed bridges.
Asset Lifecycle Economics: Delivers a lower Total Cost of Ownership (TCO) by preventing conductor breakage and reducing the frequency of expensive high-altitude repairs and line downtime.
As a manufacturer with 20 years of experience, FERR supports the production of customized vibration dampers and fasteners precisely according to your proprietary technical designs and voltage requirements.
| Cat No. | Conductor Dia. (mm) | Dimension(mm) | Weight(kg) | ||
|---|---|---|---|---|---|
| H | L | ||||
| FDN-11YTXL | 7.0-11.0 | 60 | 420 | 1.7 | |
| FDN-16YTXL | 11.1-16.0 | 65 | 420 | 1.9 | |
| FDN-20YTXL | 16.1-20.0 | 70 | 460 | 3.2 | |
| FDN-24YXL | 20.1-24.0 | 70 | 460 | 3.2 | |
| FDN-27YXL | 24.1-27.0 | 75 | 490 | 5 | |
| FDN-30YXL | 27.1-30.0 | 80 | 490 | 5.4 | |
| FDN-34YXL | 30.1-34.0 | 90 | 490 | 7.5 | |
| FDN-40YXL | 34.1-40.0 | 100 | 490 | 7.6 | |
| Catalog No | Conductor cross section(mm2) | Fig | Dimensions(mm) | Weight(kg) | |||
|---|---|---|---|---|---|---|---|
| Steel wire | AAC&ACSR | L | D | h | |||
| FD-1 | 35-50 | 2 | 300 | 40 | 40 | 1.5 | |
| FD-2 | 70-95 | 1 | 370 | 46 | 55 | 2.4 | |
| FD-3 | 120-150 | 1 | 450 | 56 | 65 | 4.5 | |
| FD-4 | 185-240 | 1 | 500 | 62 | 70 | 5.6 | |
| FD-5 | 300-400 | 1 | 550 | 67 | 70 | 7.2 | |
| FD-6 | 500-630 | 1 | 550 | 70 | 75 | 8.6 | |
| Catalog No. | Fit wire diameter | Main Dimensions (mm) | Weight(kg) | ||||
|---|---|---|---|---|---|---|---|
| L | D | a | LI | L2 | |||
| FR-1 | 7-12 | 429 | 80 | 50 | 239 | 190 | 2.6 |
| FR-2 | 11-22 | 429 | 80 | 50 | 239 | 190 | 2.6 |
| FR-3 | 18-28 | 505 | 90 | 60 | 280 | 225 | 4.97 |
| FRY | 23-36 | 550 | 97 | 60 | 300 | 250 | 4.5 |
Technical Manufacturing Standards
| MOQ | ≥1 Piece |
| Manufacturing Methods | OEM /ODM(According to Drawings) |
| Cable O.D. | Ø8mm ~ Ø25mm (customized according to actual cable type) |
| Application type | overhanging fixture, tensioning fixture, anti-vibration hammer, anti-vibration whip, grounding wire clips |
| Material | aluminum alloy, hot-dip galvanized steel, stainless steel, rubber, silicone |
| Surface treatment | hot dip galvanized, electro-galvanized, sprayed plastic |
| Installation structure | single suspension / double suspension, bolt fixing / hoop type, etc. |
| Technical standards | to meet the IEEE, IEC, national network standards, wind pressure ≥ 1440Pa, temperature -40 ° C to +85 |
| QA Service | Yes |
| Installation Guidance | Yes |
| Freight Solutions | Yes |
| After Services | Yes |
Why choose FERR's
Stockbridge Damper
- Enhanced compatibility
- More flexible design solutions
- Superior quality and risk control
At FERR, we not only supply industry-standard components but also provide tailored solutions to meet your project requirements. Leveraging our proprietary raw material supply and efficient manufacturing system, we help clients reduce potential risks and hidden costs while ensuring quality and timely delivery.
Every product embodies our OEM/ODM expertise, from material selection to structural design, guaranteeing long-lasting durability.
No Drawings? No Problem.
*With 25 years of experience, we help manufacturers worldwide turn “standard problems” into custom solutions.
sketch design stage
You only need to provide a sample or basic dimensions — our engineers will handle the rest. We turn your ideas into precise technical drawings based on a deep understanding of your actual needs, ensurin You don’t need to prepare a full 3D model or detailed drawing.
3D modeling and production stage
We build high-precision 3D models based on the initial design, verifying every detail with professional software to meet production standards. Once approved, we move straight into precision manufacturing.
Testimonials
FERR always puts the interests of its customers first.
Yunex
Distribution network project contractors in Southeast Asia
I was most afraid of the drawings sent over to the docking is not clear, the results of FERR engineers directly with me to dock the technical details, and even the bolt hole spacing are confirmed to be very fine. Proofing out once through, no rework, too much trouble.
Orlando J.
Equipment distributors in Europe
Our customers are very picky, especially about the thickness and appearance of the hot-dip galvanized layer, and the goods sent by FERR not only meet the standard, but also the key is that each batch is very stable, and we have never had any problems with the secondary inspection.
Lambrinie
Procurement Manager, X Power Engineering, USA
We started out with just a couple samples to try, and they turned out to be so much better than what we were using before. The dimensional accuracy, surface finish are all spot on and the delivery was fast. Now every time I have a project I go to FERR first, with confidence.
Marco Martinez
Project Manager in the Middle East
I've used quite a few suppliers, some quotes are cheap but with lots of problems.FERR is not the cheapest but they are really the most hassle free. Design coordination, delivery time, packaging details can think ahead of me, I save a lot of energy.
Let’s talk about your next project !
Whether you have detailed drawings or just a concept, we’re ready to listen.
Do you accept small orders?
Absolutely. Our minimum order quantity is 1 piece. You can order a small amount to feel the high quality of our products!
How long is your product warranty?
We offer a 2 years warranty on all our products
What’s your typical lead time?
Lead time depends on part complexity and order volume. For most prototypes or low-volume runs, we offer lead times as fast as 5–7 working days. Rush orders can often be accommodated.
Can I request a sample?
Yes. For Electric Power Fitting, we can provide first article samples upon request. Whether it’s sheet metal, CNC-machined, or assembled parts, we offer sample production to help you evaluate form, fit, and function before moving into full production.
What if the size does not match at the installation site?
We support customized service, in case of size inconsistency, you can contact your account manager at the first time. We will assist in confirming the cause of the problem and provide solutions such as modifying drawings, re-processing or replacing parts to ensure smooth installation of the product and reduce your time and cost loss.
How do you solve the problem of high mold cost and long delivery time?
We provide a variety of low-cost, fast delivery solutions, fusion molding, sand casting, disappearing mold, aluminum mold fast mold, mold sharing mechanism, as well as long-term cooperation mechanism with mold factories, to ensure that the opening of the mold is fast, save money, and do not affect the quality. For trial orders and small batch orders, we also offer flexible development programs to minimize the risk of upfront investment for our customers.
Do you provide type test reports or third-party certifications (e.g., IEC, ANSI)?
Yes. We can provide type test reports and third-party certifications upon request, especially for projects requiring compliance with IEC, IEEE, or national grid standards.