On order
Shell Diala S2 ZU-I Dried GT
Uninhibited, dried electrical insulating oil for transformers
Specifications
- Brand
- Shell
- Category
- Transformer & dielectric oils
- Manufacturer code
- 001B7377
- Availability
- On order
Manufacturer's description
Premium Inhibited Electrical Insulating Oil. Shell Diala S4 ZX-I (EU OEM) is the high-grade electrical insulating oil from Shell designed to meet the challenges presented by the latest power transformers. It offers an extended oil life with the peace of mind of virtually sulphur free content. Shell Diala S4 ZX-I (EU OEM) is manufactured from premium (iso) paraffinic base oils and Shell’s GTL (gas-to-liquid) technology. These base oils offer a high degree of compositional consistency and have an excellent response to antioxidant. In addition, they are globally available and free from PCBs, DBDS and passivators.
Performance & benefits
- Extended oil lifeShell Diala S4 ZX-I (EU-OEM) is a fully inhibited oil giving outstanding oxidation performance and an extended oil life. Shell Diala S4 ZX-I (EU-OEM) is also suitable for use in highly loaded applications.
- Transformer protectionShell Diala S4 ZX-I (EU-OEM) is manufactured from premium, virtually sulphur free, GTL and premium (iso)paraffinic base oil, making it intrinsically non-corrosive towards copper, without the need for passivation or other additives. Shell Diala S4 ZX-I (EU-OEM) meets all relevant tests for copper corrosion, namely the established DIN 51353 (Silver Strip Test), and the latest more severe tests: IEC 62535 and ASTM D1275.
- System EfficiencyThe good low temperature viscometric properties of the oil ensure proper heat transfer inside the transformer, even from very low starting temperatures. Shell Diala S4 ZX-I (EU-OEM) is handled carefully to achieve a low water content and retain a good breakdown voltage at point of delivery. The need for further treatment should be evaluated per application and OEM specification.
- IEC 60296 (Edition 5) year 2020; Type A, fully inhibited high grade oils
Typical characteristics
| Property | Typical value | Limit | Method |
|---|---|---|---|
| Appearance | Complies | Clear, free from sediment and suspended matter | IEC 60296 |
| Density @20°Ckg/m3 | 819 | max 895 | ISO 3675 |
| Kinematic viscosity @40°Cmm2/s | 8.5 | max 12 | ISO 3104 |
| Kinematic viscosity @-30°Cmm2/s | 356 | max 1 800 | ISO 3104 |
| Flash point (PMCC)°C | 164 | min 135 | ISO 2719 |
| Pour point°C | -42 | max -40 | ISO 3016 |
| Acidity / Neutralisation valuemg KOH/g | <0.01 | max 0.01 | IEC 62021-1 |
| Interfacial tensionmN/m | 52 | min 43 | IEC 62961 |
| Colour | L0.5 | max L0.5 | ISO 2049 |
| Total Sulphur contentm% | < 0.001 | max 0.05 | ISO 14596 |
| Corrosive sulphur - silver strip method | Complies | Not corrosive | DIN 51353 |
| Potentially Corrosive sulphur | Not corrosive | Not corrosive | IEC 62535 |
| Breakdown voltage, untreatedkV | 40 - 60 | min 30 | IEC 60156 |
| Breakdown voltage after treatmentkV | 78 | min 70 | IEC 60156 |
| Dielectric dissipation Factor @90°C DDF | 0.002 | max 0.005 | IEC 60247 |
| Oxidation stability 500 h @120°C | High grade oil, Type A | High grade oil, Type A | IEC 61125 |
| Total aciditymg KOH/g | 0.02 | max 0.3 | IEC 62021.3 |
| Sludge (after Oxidation)%m | 0.01 | max 0.05 | IEC 61125 |
| Dielectric dissipation Factor (after Oxidation) DDF | 0.001 | max 0.05 | IEC 60247 |
| Water content (bulk)mg/kg | 11 | max 30 | IEC 60296 |
| 2-Furfural and related compounds contentmg/kg | Complies | Not detectable | IEC 61198 |
| DBDS contentmg/kg | Complies | Not detectable (< 5 mg/kg) | IEC 62697-1 |
| Metal passivator additivesmg/kg | Complies | Not detectable (< 5 mg/kg) | IEC 60666 |
| Oxidation inhibitor content (DBPC)%m | 0.25 | 0.08 to 0.4 | IEC 60666 |
| PCA content%m | Complies | max 3 | IP 346 |
Complete documentation
We email you the sheets listed below in a single archive. No account, no order required.
- TDS
- SDS
- SDS