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Wuxi NT Metal Products Co.,Ltd. We are specializing in stainless steel strip coil for 6 years. Stainless steel service center
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316L Grade Packaging Banding Straps / Cold Rolled Metal Packing Straps For Shipment Industry

Wuxi NT Metal Products Co., Ltd.
Wuxi NT Metal Products Co., Ltd.
City: Wuxi
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-83632401
Contact Person:
Mr Jack Dong

316L Grade Packaging Banding Straps / Cold Rolled Metal Packing Straps For Shipment Industry

Brand Name : NT
Model Number : NT-CR
Certification : ISO/IAF/CNAS
Place of Origin : CHINA
MOQ : 100
Payment Terms : T/T, L/C, Western Union
Supply Ability : 400000 pcs per month
Delivery Time : 20 working days after received your payment
Packaging Details : Standard Seaworthy Package
Grade : NT-CR
Quality : Prime
Standard : GB
MOQ : 100
Type : Stainless Steel Strip
Surface Finish : Bright
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1000kv Grading Rings Surge Arrester,Insulators,Instrument Transformers,and other HV equipments

StandardDIN,ISO, Non-Standard or according to customers’requirement
CertificateISO,SGS etc.
ApplicationsPower Hardware, Cable Hardware,High Voltage Test etc
Packing detailsInternational standard package such as carton wooden or according to your requirements
Delivery timeAccording to the quantity of products but will as soon as possible
Payment terms

L/C, T/T, Western Union

30% TT before the produce, 70% before the shipment

Place of OriginJiangsu,China

Grading ring is also used on high voltage equipment. Grading rings are similar to corona rings, but they encircles insulators rather than conductors. Although they may also serve to suppress corona, their main purpose is to reduce the potential gradient along the insulator, preventing premature electrical breakdown.

The potential gradient (electric field) across an insulator is not uniform, but is highest at the end next to the high voltage electrode. If subjected to a high enough voltage, the insulator will break down and become conductive at that end first. Once a section of insulator at the end has electrically broken down and become conductive, the full voltage is applied across the remaining length, so the breakdown will quickly progress from the high voltage end to the other, and a flashover arc will start. Therefore, insulators can stand significantly higher voltages if the potential gradient at the high voltage end is reduced.

The grading ring surrounds the end of the insulator next to the high voltage conductor. It reduces the gradient at the end, resulting in a more even voltage gradient along the insulator, allowing a shorter, cheaper insulator to be used for a given voltage. Grading rings also reduce aging and deterioration of the insulator that can occur at the HV end due to the high electric field there.

Condition of Use:

  1. Ambient air temperatures within the range of -40 degree Celsius to +40 degree Celsius;
  2. Altitude above sea level not exceeding 1, 000m; (If the altitude is higher than 1, 000, it needs adjust. )
  3. Frequency of A. C. Power supply not exceeding 100Hz;
  4. The mechanical load no more than the rated value.

Customize Service&Professional Technical

Grading Ring Application:

For HV Arresters, Insulators, Instrument Transformers, and other HV equipments.

Grading Ring Main Material:

– High quality Aluminium,Stainless Steel,Copper etc.

– Up to the selection of customers.

Looking forward to your kind drawings or specification to quote the prices.

Related pictures:

Advantageous Service

1. Customers' special need is welcome, from mold to samples within 10 days.

2. Over 8 years' exporting experience, all inquiries responded within 12 hours.

3. Exported to over 20 countries, products test reports provided on request.

4. ISO, SGS Certificated, product quality strictly controlled by QC depart.

5. No MOQ limit, Timely delivery, High quality and competitive prices.

6. Our Creed: Better because of Specialization.

If any inquiry about corona ring pls contact us freely.

Packaging Details

The corona ring packing can be done by wooden case and cartons.

1). Wooden Packing:
Wooden packing suitable for heavy weight corona rings. For export, Fumigation Certificate will be necessary when case is made of solid wood.
Fumigation Mark

Fumigation requirements:
1.No bark allowed on wooden package.
2.Ship fumigated wooden package as soon as possible, ensure separate storage and segregation with non-fumigated wooden materials.
3.Validity of the certificate of fumigation is 21 days.
Inquire local ship agency whether fumigation is necessary every time after learning the lot package material, booking with a certain answer. Method of wood case fumigation include chemical preparation method and heat treatment.

2). Carton Packing:
Carton Packing always light weight and convenient for moving by hands. Its suitable for light weight rings.

Product Tags:

metal banding straps


metal packing straps

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316L Grade Packaging Banding Straps / Cold Rolled Metal Packing Straps For Shipment Industry Images

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