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Diamond Coils




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For the last half a century Preformed Windings has provided clients from different industries all around the world with quality and timely coil and winding products. Among the different products we offer are high voltage coils and diamond coils which you can order with us and receive promptly to begin the improvement of your manufacturing. We apply our skills in coil design (learn more here) and upgrades (learn more here) to produce high-quality diamond coils that will fit our clients’ needs, speed up their processes, and remain in long usage. Learn more about the diamond coils you can buy at Preformed Windings.

Buy Diamond Coils From Preformed Windings

This specific type of hv coils that our company provides includes high voltage motor and generator coils. The range we manufacture is from 400v to 16kV and you can buy offered products with both resin-rich and VPI insulation options. With every coil purchased, we also provide diamond coil windings to make it more convenient for clients, omitting the time for outsourcing different winding kits (learn more for them here) as well as securing the proper operation of coils and the windings made specifically to run together.

Various industries use our diamond coils, varying from traction to power generation. The products we make comply with the highest standards of the industry and are provided in a timely manner to clients, both in the UK and worldwide.

Specifics of the Preformed Windings’ Diamond Coils

To decide if the diamond coils that Preformed Windings manufactures are suitable for your business, we provide the following data, regarding the specifics of this coil services. Our specialists have summarized this information for you to serve as a guide for our coils but we can be contacted at all times for any further questions or explanations, regarding purchasing our coils or clarifying anything else.

Insulation Systems:

  • Hot Pressed Resin Rich
  • Un-pressed Resin Rich
  • Vacuum Pressure Impregnation (VPI)

Special Coil Insulation Systems:

  • Customer Specified Design
  • Sealed / NEEMA
  • Hermetic
  • Hybrid / Combination

Conductor Materials:

  • Copper Grade C101, BS1432, Cond “O”
  • Mica / Film
  • Nomex
  • Enamel / Dacron
  • Enamel / Mica
  • Enamel / Glass
  • Mica / Glass

Main Insulation Material:

  • Mica / Film
  • Mica / Glass
  • Mica / Glass / Film
  • VPI

Corona Discharge Protection:

  • Semi Conductive / Stress Grading Tape
  • Conductive / Corona Shield Tape

Quality / Testing & Inspection:

  • ISO 9001:2008 / Sub Conductor Inter-Turn
  • High Voltage
  • Tan Delta
  • TVA Probe
  • BS EN 50209:1999
  • ESI 44-5

Get a Quote: Order Diamond Coils by Preformed Windings

Preformed Windings offers diamond coils for clients to buy all over the world. We are chosen by industries such as power generation, marine, industrial, and oil and gas, because of the quality service we provide. As a part of NHA, EASA, and the AEMT, we supply our diamond coils to customers ranging from the largest OEM’s in the world to the rewind companies in the service industry.

If you’re unfamiliar with the process of ordering coils or windings, we provide customer support which will respond to your questions 24 hours, 7 days a week. Our specialist can consult you for any questions regarding the buying process, as well as advise you about the right type of coils that will fit your manufacturing needs best. You can rely on our team to assist you when choosing diamond coils and windings, but we always value our customers’ opinions and all actions in the purchase and production of our coils will be according to the client’s needs.

Preformed Windings guarantees timely manufacturing and delivery processes if you decide to buy diamond coils from our catalog. We’ve established ourselves as high-quality providers in the field and work daily to remain a reliable support for all of our clients’ needs regarding coil design, manufacturing, and upgrades.

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