Audited Supplier
Stockbridge dampers are devices used to reduce vibration and prevent damage to overhead power lines caused by wind-induced oscillations. They are named after their inventor, George H. Stockbridge, who patented the device in 1921.
A stock bridge damper consists of a weight suspended by a cable or rod attached to the power line. The weight oscillates out of phase with the power line, creating a counterbalancing force that reduces the amplitude of the power line's vibration. The damper's weight is carefully chosen to match the frequency of the line's vibration to maximize its effectiveness.
Stockbridge dampers are commonly used in transmission and distribution lines that are subject to high wind speeds or spanning long distances. The dampers are installed periodically along the power line to prevent the build-up of high-amplitude vibration that can lead to damage or failure of the line.
| Stock No. | Conductor Range mm | Dimmension | Weight | |||||
| A | B | C | D | E | F | Kg | ||
| JFR-1 | 7-12 | 138 | 118 | 429 | 50 | 81 | 48 | 2.54 |
| JFR-2 | 11-20 | 138 | 118 | 429 | 50 | 81 | 48 | 2.61 |
| JFR-3 | 18-28 | 167 | 146 | 505 | 60 | 91 | 57 | 5 |
| JFR-4 | 26-36 | 218 | 163 | 550 | 60 | 97 | 64 | 6 |
| JFR-5 | 33-38 | 218 | 163 | 550 | 70 | 127 | 64 | 7.9 |
| JFR-6 | 35-40 | 325 | 325 | 650 | 70 | 127 | 74 | 11 |
Beijing Winner Electric Energy Co., Ltd is located in Beijing China, integrating not only R&D and manufacturing, but also trade and top aftersales services as well. We're proud of having two excellent subsidiary factories, which consolidated our leading position of transmission and distribution services provider. Our products have been exported to many countries all over the world during the past 15 years.
We produce power fittings, cable accessories, insulators, primary and secondary fusion pole-mounted circuit breakers, lightning arresters, solar energy, and other new energy transmission and distribution equipment products, as well as related customized products.
At Winner Power, we never compromise on quality. Our stringent standards ensure that you receive reliable and efficient products every time. With our industry expertise and experience, we are your preferred choice for meeting all your power transmission and distribution needs.
Our commitment to quality and customer satisfaction makes us a trusted partner for companies worldwide. We look forward to discussing how our products can support your projects and meet your specific requirements.
Packing&Shipping
1. Are you a factory or trading company?
We are a Trade company.
2. Where is your factory located? How can I visit there?
Our factory is located in Handan City,Hebei Province, China.
All our clients,from home or abroad, are warmly welcome to visit us!
3. What's the payment term?
We accept TT, 30% deposit and 70% balance agaisnt copy of BL, Western Union, L/C is ok!
4. How's the delivery time?
Usually it will take about 15~30 days for production.
5. Tell me the standard of package?
For the small capacity, it uses carton with pallet or according to your requirements.
6. Could you offer Form A or C/O etc. certificate of origin ?
It is totally not a problem.
7. Would you accept to use our logo ?
If you have a good quantity,it is absolutely no problem to do OEM.
8. How about the transport?
If the number of goods is small we usually use TNT,DHL,FEDEX,EMS and some express you offered.
If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.
