Catalogue / Transformer overhaul & oil filtration
Transformer oil filtration and dehydration, Duo seriesSample
by Prakashsys Infra Services (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Transformer oil filtration and dehydration from Prakashsys, Duo series: 6 transformer rating options between 1 MVA and 100 MVA. Key features: nitrogen or dry air purge on opening, leak testing before energisation and oil sampling and DGA before work. Suited to captive power plants, state utility asset life extension and industrial distribution transformers. Delivered in line with IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance) and IEC 60422. Mobilisation Mobilisation in 3-5 days; serves All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Prakashsys
- Model
- PRA-792 series
- Listing type
- Service
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- Mobilisation in 3-5 days
- Warranty
- Oil quality guarantee 6 months
- Standards
- IS 335 (Mineral Insulating Oil), IS 1866 (Oil Maintenance), IEC 60422
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- 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 rating1 MVAPRA-792-01 | Transformer rating: 1 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating5 MVAPRA-792-02 | Transformer rating: 5 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating10 MVAPRA-792-03 | Transformer rating: 10 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating20 MVAPRA-792-04 | Transformer rating: 20 MVA | 1 nos · Mobilisation in 3-5 days | for verified buyers |
| Transformer rating50 MVAPRA-792-05 | Transformer rating: 50 MVA | 1 nos · Planned shutdown required | for verified buyers |
| Transformer rating100 MVAPRA-792-06 | Transformer rating: 100 MVA | 1 nos · Planned shutdown required | for verified buyers |
Specifications
| Transformer rating | 1 MVA to 100 MVA (see variants) |
|---|---|
| Service | Internal inspection and overhaulmade to order: Oil filtration and dehydration / Oil reclamation / Full overhaul with rewinding |
| Filtration machine | Vacuum dehydration 6000 L/hr |
| Oil BDV target | Above 70 kV |
| Moisture target | Below 5 ppmmade to order: Below 10 ppm |
| Testing | Full routine tests after overhaulmade to order: DGA, furan, BDV, tan delta |
| Spares | Gaskets and silica gelmade to order: Bushings and OLTC parts at cost |
| Downtime | 3-4 weeks |
| Site work | Workshop repairmade to order: Hot oil circulation at site |
| Crew | 4 technicians with supervisor |
| Certificate | Oil test report from NABL labmade to order: Overhaul report with test data |