Catalogue / Transformer overhaul & oil filtration
DGA based diagnostics and reclamation, Flex 6 seriesSample
by Nilgiri Infra Services (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Flex 6 service of DGA based diagnostics and reclamation by Nilgiri covers 4 transformer rating options (20 MVA to 315 MVA). Key features: core insulation resistance checks, hot oil circulation under vacuum and post-work tan delta and ratio tests. Suited to captive power plants, solar and wind pooling substations and state utility asset life extension. Delivered in line with IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance) and IEC 60422. Mobilisation Mobilisation in 3-5 days; serves East & North-East India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Nilgiri
- Model
- NIL-C06 series
- Listing type
- Service
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- Mobilisation in 3-5 days
- Warranty
- Workmanship 12 months
- Standards
- IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance), IEC 60422
- Delivers to
- East & North-East India
- GST rate
- 18 %
- Country of origin
- India
- Delivery terms
- Site mobilisation as per work order
- Returns
- Re-work of defective scope at no cost
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Transformer rating20 MVANIL-C06-01 | Transformer rating: 20 MVA | 1 nos · Mobilisation in 3-5 days | on quote |
| Transformer rating50 MVANIL-C06-02 | Transformer rating: 50 MVA | 1 nos · Mobilisation in 3-5 days | on quote |
| Transformer rating100 MVANIL-C06-03 | Transformer rating: 100 MVA | 1 nos · Planned shutdown required | on quote |
| Transformer rating315 MVANIL-C06-04 | Transformer rating: 315 MVA | 1 nos · Planned shutdown required | on quote |
Specifications
| Transformer rating | 20 MVA to 315 MVA (see variants) |
|---|---|
| Service | Internal inspection and overhaul |
| Filtration machine | Vacuum dehydration 6000 L/hr |
| Oil BDV target | Above 70 kVmade to order: Above 60 kV |
| Moisture target | Below 5 ppmmade to order: Below 10 ppm |
| Testing | DGA, furan, BDV, tan deltamade to order: Full routine tests after overhaul |
| Spares | Gaskets and silica gel |
| Downtime | 5-7 daysmade to order: 2-3 days / 3-4 weeks |
| Site work | Workshop repairmade to order: Hot oil circulation at site |
| Crew | 4 technicians with supervisor |
| Certificate | Overhaul report with test data |