Products - Bushings

GG Oil Communicating type Transformer Bushing

Voltage Rating	Current Rating
36 kV	3150 Amp, 2000 Amp, 630 Amp
17.5 kV	3150 Amp, 2000 Amp, 630 Amp
12 kV	250 Amp

Type Test: (As per IEC 60137)

Dry Power-frequency Voltage withstand test
Wet Power frequency Voltage withstand test
Dry lightning impulse Voltage withstand test
Temperature rise test
Cantilever load withstand test
Verification of dimensions

Routine Test (As per IEC 60137)

Tightness /Pressure test at 60°C Oil
Dry power frequency voltage withstand test
Visual inspection & dimensional checks
Insulation Resistance

Material Specifications

Standards	IS, DIN, EN, IEC
Metal Parts	Forged/ Extruded Brass or Copper
Gaskets & Washers	NBR / PTFE / VITON
Insulator	Porcelain
Fasteners	Stainless Steel /Hot Dip Galvanized Steel

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