ZYSF
Pressure relief valve
Pressure relief valve
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ZYSFThe series pressure relief valve serves as a pressure protection device for oil-immersed transformers, reactors, voltage regulating switches, etc.When a fault occurs in oil-immersed electrical equipment, the temperature rise of the windings can cause some transformer oil to vaporize, leading to a rapid increase in pressure inside the equipment. At this time, the pressure relief device will act quickly within2msto discharge gas and a small amount of transformer oil from the oil tank, thereby protecting the oil tank from deformation or explosion. When the pressure inside the equipment is restored, the pressure relief device can automatically close. A pressure relief valve with a guided oil outlet can be selected to direct the discharged transformer oil along a pre-set pipeline.
-Working conditions:Ambient temperature:-30～+80℃
- Opening pressure: 15~137KPa
- Closing pressure: not less than 50% of the opening pressure
- Action time: 2ms
- Effective diameter: 25mm/50mm/80mm/130mm
- Micro switch: 1~2 units
- Protection level: IP55
-High reliability: made of high-performance spring steel and treated for fatigue resistance, preventing misoperation.
- Quick action, can open within 2ms
- Various specifications available
- Good sealing performance, no oil leakage
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