VELVEX Transformer oils are manufactured from a selection of hydro treated virgin base oils, adopting latest state of the art technology to produce a finished product that plays a vital role in protecting and insulating the key components of the transformer.
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Liquid insulation in Power transformers
Dissipates heat of the transformer i.e acts as a coolant
Preserve Core & winding
Prevents direct contact of atmospheric oxygen with cellulose made paper insulation of windings, which is susceptible to oxidation
Optimum Insulation: High BDV, high interfacial surface tension and the absence of polar impurities ensure optimum insulation and protection of the transformers
Higher flash point, resulting on low evaporation losses and better safety
Low Viscosity ensures good fluidity and heat transfer capabilities to maintain appropriate temperatures
Higher Resistivity : High Insulation resistance between transformer windings prevent damage & reduce downtime
Highly Refined Oil with advanced base oil technology, Ensures Oxidation stability & Longer life of oil
Non Corrosive: Highly refined with low sulfur content, hence non corrosive in service, free from DBDS and PCB
Based upon the present international standards and specific requirements, we offer transformer oils on following major categories
Uninhibited Transformer oil – Recommended for standard equipment, operates at normal conditions
Inhibited Transformer oils – Recommended for operations at higher temperature & where higher oxidation resistance is required
Trace inhibited transformer oils
Specialty High Grade Transformer oils
Grades |
Description |
Conforming Standards |
|---|---|---|
VELVEX UT |
Uninhibited Transformer oil |
Meeting BIS: IS : 335 ( Reaffirmed 2005) |
VELVEX- 60296 UT |
Uninhibited Transformer oil |
Meeting IEC : 60296-2-12-02 Edition 4.0 / ASTM D1275 B for corrosive sulphur |
VELVEX – 296 UT |
Uninhibited Transformer oil |
Meeting IEC -296 Class I : 1982 |
VELVEX – 148 UT |
Uninhibited Transformer oil |
Meeting BS 148 Class I : 1984 |
VELVEX – 296 IT |
Inhibited Transformer oil |
Meeting IEC 296 Class I A : 1982 |
VELVEX – 12463 - IT |
Inhibited Transformer oil |
Meeting BIS : IS : 12463/1988 |
VELVEX – 148 IT |
Inhibited Transformer oil |
Meeting BS 148 Class I A : 1984 |
VELVEX – 60296 |
High Grade Inhibited transformer oil |
Meeting IEC : 60296-2-12-02 Edition 4.0 / ASTM D1275 B for corrosive sulphur |
VELVEX – 60296 TIT |
Trace Inhibited Transformer oil |
Meeting IEC : 60296-2-12-02 Edition 4.0 / ASTM D1275 B for corrosive sulphur |
Please refer MSDS for storage and safety precautions |
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Data Sheet
Packaging options offered
Epoxy Coated MS drums (200, 210, 235 Ltr)
Bulk cargo – ISO tanks, Flexi bag
Performance Standards
VELVEX range of transformer oils are manufactured to various International ,National, Regional, Transformer manufacturers and Utility specific requirements.
India - IS: 335, IS: 12463
International – IEC 60296, ASTM D3487, BS 148
National – JIS, AS, CAN/CSA, DIN, AP
Manufacturer specific – BHEL, Areva, ABB, Siemens, CGL
Power Board / Utility - PGCIL NTPC, Indian Railways, PLN, TEIAS etc.
APPLICATIONS
EHV / UHV Power Transformers
Large Power Transformers
Medium power transformers
Distribution transformers
Instrument transformers
Circuit breakers
Oil filled switches
X ray equipments etc
Credentials
Velvex transformer oils are
Manufactured under ISO certified facility
Pre registered with REACH
Tested and certified by CPRI & BIS (License no: CM L7800027516)
