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Hering-VPT GmbH

Booth number: Z3E16

About us

HERING VPT is a renowned manufacturer of oil recycling systems, transformer oil purification plants, transformer drying ovens and advanced vacuum applications.

Drawing on decades of experience and continuous innovation HERING VPT has built a worldwide reputation for its high quality engineering products and the excellent performance of its services.

The combination of world-class engineering and German manufacturing ensures that HERING products have the highest quality in the market - maximizing your plants' uptime & your success.

Products and services

HERING is renowned for our high quality oil processing plants, state-of-the-art transformer drying ovens and advanced vapor phase solutions. More specifically, our current range of products includes the following.

For the transformer and utility industries we offer:

  • Transformer Oil Purification Plants

  • Transformer Oil Regeneration Systems

  • Online Transformer Dryout System

  • Continuous Online Moisture Removal Plant for Transformers

  • Transformer Drying Ovens

  • On Load Tap Changer (OLTC) Filter

  • PCB Dechlorination System

  • Bushing Dryer

  • Oil Storing and Filling Plant

  • Hot Oil Spraying System

  • Vacuum Pumping Station

  • Vacuum Pressure Impregnation Plant

    In the field of oil recycling and oil processing our products include:

  • Complete Waste Oil Re-Refining System

  • Clay Based Base Oil Finishing System (Reactivation Clay Polishing System)

  • Chemical-free Lube Oil Finishing Treatment (Adsorbent Mineral Polishing System)
Vacuum Transformer Drying Ovens

Vacuum Transformer Drying Ovens

HERING offers three types of transformer drying plants: conventional hot air drying ovens, vapour phase drying ovens and low frequency drying ovens. These are used around the world by transformer manufacturers and transformer service companies to ensure the proper functioning of the transformer and its insulation material. HERING Systems are remarkable for their compact robust design and ease of operation and maintenance.

EOK Transformer Oil Purification Plants

EOK Transformer Oil Purification Plants

HERING EOK transformer oil purification plants are the industry standard for extending the lifetime of your oil-filled transformers. The usage of HERING EOK Transformer oil purifying plants lower the water content within the fluids and insulation materials of your transformer and thus enhance the dielectric properties of your transformer insulation. In addition, our EOK Series will degasify the transformer oil and remove volatile acids from it. This is the basis for high transformer performance.

EOK-TORS Transformer Oil Regeneration System

EOK-TORS Transformer Oil Regeneration System

The HERING EOK-TORS transformer oil regeneration product line brings your transformer's insulating fluids back to life and restores them to their optimum condition. Our transformer oil regeneration systems perform regeneration, dehydration and degasification of transformer oil. Using our transformer oil regeneration equipment provides you with our best-in-class EOK oil purification technology and the added power of the TORS regeneration columns for online & offline regeneration.

News & Innovations

Add-on Transformer Oil Regeneration Module to transform your existing oil purification plants in full on EOK-TORS units 

As part of our HERING EOK-TORS Series of transformer oil regeneration systems we have developed a new subseries of transformer oil regeneration modules as add-ons for existing purification systems.

These TORS-only units have been specifically designed to fit to an existing transformer oil purification system to transform it into a fully functioning transformer oil regeneration system. The add-ons modular design makes it highly flexible, such that it can be added to any existing HERING oil purification plant.

In combination with our TOLMS Series of transformer online monitoring devices, the resulting transformer oil regeneration plant can be applied to online transformers making it possible to operate without downtime.


Hering-VPT GmbH
Schwedenweg 14
91550 Dinkelsbuehl

Phone: +49 9826 6595200

Mr. Bastek

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