India's Best Oil Purification Units & Oil Filtration Machine- AR Engineering

AR Engineering
Industrial oil purification system
http://oilfiltrationmachines.com

About us
• The plants are suitable for Transformer & Capacitor Manufacturers, Transformer Repairers, Transformer
Owners, Oil filtration service providers etc. These plants work on low temperature, high vacuum principle.
We also developed Trickle Impregnating Machines for varnishing of electrical machines windings such as
armatures, rotors, field coils, stators. These machines are suitable for varnishing of electrical windings in
mass production. Auto electrical parts, mixers, fans, electrical motors, Instrument transformers etc. are
few to name.
We also manufacture Vacuum Impregnation Plants for big electrical windings and Vacuum Drying Ovens
for drying of transformers, capacitors etc. On line transformer oil regeneration plants are under
development.
Our Customer list includes clients ranging from small oil filtration service providers to big customers like
NTPC, BHEL, NHPC, various electricity boards etc. Our plants are working all over India and countries such
as Saudi Arabia, Jordan, Qatar, Iraq, Nepal, Bangladesh, Zambia, Equator, Egypt, Turkey etc.

Product
• High Vacuum Transformer Oil Filtration
• Trickle Impregnation Technique
• Varnishing Machines
• Batch Type Trickle Impregnating Machines
• Vacuum Impregnation Plants
• Index Type Trickle Impregnating Machine
• Industrial Oil Purification Systems
• Capacitor Impregnation System
• Cutting Oil Filteration Machines
• Hydraulic Oil Filtration Plant

High Vacuum Transformer Oil Filtration
• High-Vacuum Transformer Oil Filtration And Dehydration Plants are suitable for all types of electrical
insulating oils. We have standard high-vacuum filtration and dehydration plants to remove moisture (free
as well as dissolved), gases, dirt and oxidation products from mineral-based and synthetic, silicon oils and
others.
• Systems are in flow rates from 300 LPH to 12000 LPH. Custom built plants can be provided as per
customer’s specific requirement, such as more flow-rates. These plants work on low temperature, high
vacuum principle. Plants mainly consist of heating, filtration and vacuum system. Heating system aids to
the filtration and moisture removal. Filtration systems remove suspended particles down to 1 micron such
as rust, dirt, scales, colloidal carbon etc. Vacuum Systems remove moisture (emulsified as well as
dissolved) down to < 5 – 10 ppm depending on the working vacuum of the plant.
• Working Systems
• Optionals
• Plant Can Be Supplied
• Points For Selection Of Plants
• How To Configure The Model
•

High Vacuum Transformer Oil Filtration

Trickle Impregnation Technique
• Trickle Impregnation Technique
• In today’s competitive world the electrical insulation materials and the processes are viewed with
tremendous cost and quality consciousness. Varnishing of electrical machine winding forms a major part of
the total cost of the electrical insulating materials. With the increasing costs of energy and solvents for use
in varnishing, it has become a need of the hour to look into the change in the conventional impregnation
methods such as Dip and bake varnishing or the Vacuum impregnation.
• On this background Trickle impregnation technique was evolved to improve the varnishing quality coupled
with reduced cost. This technique is now well accepted and used for impregnating stators / fields and
armatures / rotors in all the advanced countries
• Trickle Impregnation Technique :
• According to the principle of Trickle Impregnation, activated resin is trickled in a thin jet on to the rotating
preheated winding. The resin immediately gets heated and its viscosity is reduced. Due to the rotary
motion of the winding the resin gets distributed evenly inside the winding without any drain loss. The
heated winding accelerates the gelling and curing of the resin.

Trickle Impregnation Technique

Batch Type Trickle Impregnating Machines
Trickle Varnish Impregnating Machine is suitable for pre-heating, trickling and post heating of stators. The
machine is simple and compact in design. It is easy for operation and maintenance. It is ideally suitable for
batch type production of stators. The machine is suitable for carrying out following automatic cycle
• Load stators on spindles, connect winding wires, close the front door and start cycle with push button.
• Spindles start rotating and get pre-heated to predetermined temperature.
• Temperature of stator is sensed by non contact TIC.
• Spindle holding plate is tilted up and varnish pipes are tilted down to adjust the place of trickling.
• Varnish pump starts and pre determined varnish is trickled on stators / rotors and pump stops. Trickle
Temperature is maintained with the non contact TIC
• Spindle holding plate is tilted down and varnish pipes are tilted up and post heating starts.
• After completing the post heating spindles, stop.
• Open the door & remove wire connections and Un-load the ready stators.

Batch Type Trickle Impregnating Machines

Index Type Trickle Impregnating Machine
• Trickle Impregnating Machines are suitable for automatic impregnating of stators and rotors by trickle
process. Stators and Rotors are heated to pre-determined temperature and then trickled with varnish
(Resin + Hardener) and cured until it hardens. They are then ready for unloading manually. They are
rotated by chain drive which rotates the spindles mounted on rotating / indexing table at an appropriate
speed suitable for trickling. Indexing Table is rotated by motor with gear box and limit or proximity
switches.
• Job Indexing System : Index table is mounted on a spindle placed in fabricated box containing main spindle
bearings. It is indexed with the help of brake motor, gearbox, chain, and main spindle. The index position is
ensured by spring loaded index pin operated by pneumatic cylinder, proxy switch, reed switch & PLC.
• Job Rotation System : Rotating spindles are mounted on the index table driven by electric motor, gearbox,
chain and sprockets. An arrangement is provided such that when jobs come to loading - unloading station,
spindles stop rotating for easy removal and placement.
• Heating System : Stators and Rotors are pre heated and cured while passing through the pre heating zone
and post heating zone. Radiation type electric heaters do heating in pre-heating and curing zone with

Index Type Trickle Impregnating Machine

Vacuum Impregnation Plants
• Vacuum Impregnation Plants and Pressure Impregnation Plants is designed for varnish impregnation to be
carried out in following steps and will be generally as per the schematic diagram attached.
• Pre-heating the jobs in either Impregnation Chamber or in Oven if you have a less time available.
Evacuation of Impregnation Chamber (after putting the jobs) to make the voids in the jobs clear and drying
of jobs for specific time & required temperature / vacuum.
• Induction of impregnant (Varnish) in the Impregnation Chamber from impregnant Tank to submerge the
jobs in it.
• Pressurize the Impregnation Chamber with dry air or nitrogen to fill the voids with Impregnant.
• Return the varnish to Impregnant Tank.
• Cure the jobs either in Impregnation Chamber or in Oven for specific time if time available is less.
•
The plant will be generally as per the schematic diagram attached herewith and will mainly consist of
following major components:

Vacuum Impregnation Plants

Industrial Oil Purification Systems
Industrial Oil Purification Systems Oil purification systems are designed & manufactured to suit the specific
requirement of the customer. Normally the oil is deteriorated by contamination of foreign particles, moisture
(free & dissolved), oxidation sludge etc. The deteriorated oil affects the performance of the equipment in which
it is used because of change in properties. Different modules are designed to remove particular types of
contaminations. The purification system normally consists of filtration / purification stages for economical
operation. In pre filtration stage coarse particles are removed using cleanable / washable elements. In
intermediate stage the major portion of the contaminants removed by using the properly selected filter
elements suitable for oil to be purified. In final stage the fine contaminants are removed by special elements to
suit the final application and purification level. The free moisture removal is carried out either by gravity
separation methods such as spirafuge, centrifuge or by using coalescer elements. Dissolved moisture is
removed partially by coalescer elements and finally by vacuum treatment.

Industrial Oil Purification Systems

Capacitor Impregnation System
• CAPACITOR IMPREGNATION SYSTEM
• The plant is specially designed for drying and impregnation process and to improve power factor of an
electrolytic capacitors for motor and fan industries.
•
The plant consists of : Impregnation chamber
• The impregnation chamber can be of Square shape or in a cylindrical shape.
• Vacuum achievement will be upto 0.0001 torr.
• The leak rate (L.R) of the system will be better then 0.1 torr lit/sec.
• Heating to the impregnation chamber by thermic oil heating (external or internal)
• Individual oil filling by single valve.
• All valves provided to the system will be of our own make, 100% leak proof having standard leak rate.
• Terminal testing flange will be provided for the purpose.
• R.O.S.T(Raw oil storage tank) & P.O.S.T(Processed oil storage tank)Shape: Cylindrical.
• Leak proof level indicators provided.
• Accessible manhole for maintenance purpose.
• Effective oil heating jacket provided surrounding to the R.O.S.T and P.O.S.T.

Capacitor Impregnation System

Cutting Oil Filteration Machines
• CUTTING OIL FILTERATION MACHINES
•
Cutting oils are primarily used as a lubricant in the interface between the chips and the tool's cutting edge,
reducing process friction and aiding in chip flow. Cutting oils are also employed as a cooling agent to
remove any process-generated heat, as they increase the rate of heat flow from the machining process.
We are a renowned organization that is involved in offering quality approved Cutting Oil Filtration
Machine. The offered range is manufactured keeping in mind the variegated requirements of our
respectable customers. Our logistics personnel make sure that the consignments are timely delivered at
customers’ destinations.
• Features
• High performance
• Longer service life
• Less power consumption

Cutting Oil Filteration Machines

Hydraulic Oil Filtration Plant
• Hydraulic Oil Filtration Plant
•
We have a specialized team of engineers that fabricate a wide range of hydraulic oil filtration unit. These
hydraulic oil filtration units help in the purification of oils & chemicals by removing dust & sediments from
it. This entire unit is fabricated in accordance with the international standards of quality.
• This filtration unit included the pump, 149 Micron suction filter. 10 Micron return line filter, with single /
three phase electric motor. The unit used for cleaning the fluid in a reservoir by circulating it through its
two stage filtration systems. This porta filter provides flexibility for in plant machinery. Wherever as single
/three phase electrical connection available. The unit provides filtration, flushing and transfer of oil from
container to the hyd. tank or vice versa.
• Features
• Used for filtration of Hydraulic, Turbine oil, Transformer Oil, Diesel, Lubricating Oils and Chemicals
• Self priming motorized pump with starter
• Pressure indicator for filter clogging
• Easy to use and maintain
• Rugged design.

Hydraulic Oil Filtration Plant

Insulating Oil Purifier
• Transformer oil or insulating oil is a highly refined mineral oil remaining stable at high temperatures and
has excellent electrical insulating properties. It is vitally important for the safe and efficient operation of
many types of electrical equipment such as power transformers, instrument transformers, circuit breakers
and high voltage bushings.
• This filtration unit included the pump, 149 Micron suction filter. 10 Micron return line filter, with single /
three phase electric motor. The unit used for cleaning the fluid in a reservoir by circulating it through its
two stage filtration systems. This porta filter provides flexibility for in plant machinery. Wherever as single
/three phase electrical connection available. The unit provides filtration, flushing and transfer of oil from
container to the hyd. tank or vice versa.
• Why use transformer oil?
• Transformer oil is used as liquid insulation and dissipates transformer heat. More specifically, the
transformer oil is used as a coolant in transformers and as a means of arc suppression in circuit breakers
(apart from its insulating properties).
• Transformer oil not only helps to preserve the core and windings which are fully immersed with oil, but
also prevents direct contact of atmospheric oxygen which causes oxidation of the cellulose made paper
insulation around the windings.

Insulating Oil Purifier

TURBINE OIL PURIFIER
• These are specifically designed for filtration and dehydration of hydraulic oil, turbine oil, and thermic fluid.
These plants work on heating, filtration and vacuum principle. These plants are suitable for the machine to
machine filtration, as they are compact in size and light in weight and easily handled with two persons.
These plants are suitable for remote site filtration as they can be carried in small rickshaw tempo. Our
plant specialty is the removal of free as well as emulsified water from the oil along with particles up to 1
micron such as oxidation sludge, colloidal carbon, dirt, etc. Filtration is efficient and very fast due to
specially molded cellulose cartridges. These plants require a nearly unattended operation as oil level is
controlled by a float switch.
• Features
• Low operational cost
• High vacuum Low-temperature operation
• Highly efficient due to latest technology
•
Specifications
• Flow rate: 150 LPH to 1200 LPHGrade: AutomaticBrand: Ar Engineering

TURBINE OIL PURIFIER

Contact Us
• Head Office
• Address:L - 77, Additional M.I.D.C., Satara - 415004, Maharashtra INDIA
• Phone:+91 - 98223 93556, 94226 05890 +91 - 2162 - 240569., 240385,
• Email:info@arengg.net

Thank You

India's Best Oil Purification Units & Oil Filtration Machine- AR Engineering

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