Japan, Shinagawa Sokki
Shinagawa Sokki PRD-55/ PRD-75 Pressure Relief Device
Product Made in Japan
Manufacturer: Shinagawa Sokki Mfg. Co.,Ltd
Model: PRD-55, PRD-75
Features
This is a safety valve to prevent the tank and belongings of transformer in power stations or substations from damaged by detecting abnormal pressure in the tank and discharging the nitrogen gas or oil use for insulation in the upper part of the tank to the air in a short time. This relief valve has electrical contact and operation indicator.
Specification
| TYPE | PRD-55 | PRD-75 |
| Pressure of operating | 54±5 kPa | 74±5 kPa |
| Depth | 185mm | 160mm |
| Outside diameter | ø262 | |
| Hole diameter for setting | ø235 | |
| Weight | Approx.10kg | |
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