35
figure 8-17 schrader valve
8.10 Transformer Pressure Gauge
The transformer pressure gauge is designed according to ANSI C57.12.34. It indicates the
real pressure condition inside the transformer oil tank.
figure 8-18 Pressure Gauge
Pressure Gauge
In order to ensure the quality, the product shall be filled with N2 in the oil tank and positive
pressure before delivery. Pressure range: 3-4 psig (PRESS)
The pressure in the fuel tank must be adjusted before the product is put into operation. The
specific requirements are as follows:
#
When the oil temperature is the pressure shall be adjusted to
1. 20 ℃ or less
zero
2. 25 ℃ 0 ~ 0.5 psig (PRESS)
3. 30 ℃ 0.5 ~ 1.0 psig (PRESS)
4. 35 ℃ 1.0 ~ 1.5 psig (PRESS)
User Manual 8 Components and Accessories
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