Vacuum Oil Purifiers (5-70 gpm)

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High Vacuum Transformer Oil Purifiers

The increasing voltage and rating of the modern transformer and electrical apparatus result in greater electrical stress in insulating material and fluids. To handle these greater stresses, transformer oils with better dielectric quality are required, and lower residual water content in insulation must be maintained.

The proper treatment and upgrading of the insulating fluid / transformer oil will result in the improvement of the properties of the entire insulating media of power transformers.

The principal functions of the insulating liquid are to serve as a dielectric material and an effective coolant. To perform these functions, the insulating liquid must have the necessary qualities at the time of initial impregnation and filling at the factory and later maintain the same quality in the field operation.

The Pro-Filtration High Vacuum Process upgrades the new or used electrical insulating liquids and transformer oil.

A High Vacuum Process is used for dehydrating and degasification of electrical insulating fluids (transformer oil) to increase and maintain their dielectric strength. The processing includes the removal of free and soluble water, free and dissolved air and gases, and particulate matter.

Removes gases
Removes free, emulsified and dissolved moisture
Removes particulate
Stationary, portable or mobile
Flow rates range from 5 – 70 GPM


Transformer Oil Regeneration Systems

Restores transformer oil to like new condition. Removes acids, sludge and products of oxidation. These systems are typically used in conjunction with a degassing and filtration system. And, are designed to fit in a 20’ or 40’ cargo container for ease of transport.


Fullers Earth Systems

Used to correct total acid number (TAN) and correct color, we offer cartridge vessels or bulk style tower systems.


Cold Traps

During the restoration of a transformer, it is extremely important to remove as much moisture as possible from its internal components. This is accomplished by isolating the empty transformer so that it can be placed under vacuum.

Under these “blank off” conditions, vacuum is pulled down to 0.25-1 torr for an extended period of time. Water will be vaporized and pulled toward the vacuum pumps; with moisture temperatures above 60-70°F. The longer the transformer is left under this condition, the dryer it gets.

The cold trap is used to help the operator in determining that point and which the transformer has reached sufficient dryness. The operator can end the process with confidence as the process can be recorded from time to time by freezing, metering and comparing the amounts of moisture trapped in the cold trap.


products

Low Vacuum Oil Purifiers

Dehydrate, filter, remove carbon from transformer and insulating oils.
Remove water, particulate, light end volatiles and entrained air from lubricating, hydraulic and gear oils.

Pro-Filtration low-vacuum oil purifiers are offered in two service categories: Dehydrate, degas, and filter transformer and other insulating oils.  Moisture removal rates are typically <10 ppm.

Secondly, Pro-Filtration’s Pro-Vac Series of vacuum dehydrators are offered to remove water, particulate and light end contaminants from lubricating, hydraulic, gear and other industrial oils.

Pro-Vac systems include filtration to remove particulate contamination below 1 micron using multi-layered micro glass, ßx(c)≥1000, filter media. Micron efficiencies range from 25µm down to 1µm in order to attain any desired ISO Cleanliness Code.

We manufacture various sizes to process any size reservoir, tank or transformer. Our systems are available in trailers for mobility. Sizes range from 3 gallon/minute to 70 gallon/minute.

Applications Include:
• Oil Purification (Transformer, Hydraulic, Industrial Insulating Oils)
• Vacuum Filling Transformers
• Oil Reclamation
• CT Scan and X-Ray Tube Insulating Oil
• Oil Recycling
• Offshore/Marine Oil Purification

Standard Systems Include:
1. Low watt density fin tube heaters create maximum surface area for rapid oil heating without damaging the oil. Heaters are protected by a flow switch that will de-energize the heaters in loss of flow conditions. Any over temperature thermocouple offers secondary protection against thermal damage.

2. The vacuum chamber is the central vessel of a vacuum dehydrator. We offer large void space volume and permanent random packing to create massive surface area so that the oil, as it is cascading through the packing, is exposed to the vacuum conditions as long as possible. A secondary benefit to this packing is that there are no filters / dispersal elements to change, thus lowering your cost of operation.

3. Instrumentation for unattended operation.

4. Centralized NEMA 4 Control Panel and Gauge Panel to provide the operator with information needed to insure proper operation of the system.

5. Automatic foam control system.

6. Air Cooled Condenser properly sized to condense vapors to liquid under vacuum conditions. Water drops out in a condensate tank to keep moisture from collecting in the vacuum pump.

7. High quality Industrial Filter Vessels with swing bolt closures for ease of filter change outs. Filter elements utilize the latest micro glass filter element media sourced by the top media producers in the USA to insure ßx(c)≥1000 efficiency as per ISO 16889. Dirty filter light(s) alert the operator when filter element change outs are needed.

8. High quality welded pipe braced and flanged where possible.

9. Heavy duty base with containment, exterior cage, fork lift slots, lifting eyes and casters (when required).


Options:
• Automatic Water Drain
• Inlet Bag Filter with or without magnet insert
• Inlet Pump
• Variable Frequency Drives
• NEMA 7 (Explosion Proof) Control Panel
• NEMA 4X Purge Panel
• Laser Particle Counter
• Moisture Monitor
• Heater and Filter Mode
• Stainless Steel
• CE Mark
• Hose Reels
• Trailers
• Varnish Removal
• Customized Solutions

Industries Include:

  • Power Plants
  • Steel Mills
  • Injection Molding
  • Power Distribution
  • Hydraulics
  • Quenching
Download PROVAC PDF

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Versatile & Custom

Pro-Filtration vacuum oil purifiers process varying viscosities, from transformer oil to ISO 680 to gear oil. We specialize in high efficiency water removal and custom manufacturing to your requirements. Pro-Filtration oil purifiers are well built for rugged environments.






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Mobility

Pro-Filtration oil processing equipment is made in the same facility as Pro-Haul trailers. Our highly skilled welders and fabricators manufacture our trailers from the ground up to insure safety and exceptional quality.


Parts and systems

Easy to maintain. We maintain spare parts.

Maintenance

Low maintenance units with service technicians on call.

GLOBAL

Products Ship Worldwide





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