YSF Series Small Pressure Relief Valve

YSF series pressure relief valve with diameter below 50mm is a new  type of pressure relief device. This product is used to protect tank of   oil immersed electrical equipment, such as transformers, high voltage switches, power capacitors, reactors, on-load tap changer, etc.
2.1 Operating temperature：-45℃ - +105℃; Ambient temperature: -45℃ - +70℃
2.2 Humidity requirements: the relative humidity is not greater than 95% at +20℃
2.3 Installation method: on the tank cover, on the turret or on the upper side wall of tank
2.4 Protection level: IP55 (can be upgraded to IP65 according to customer requirements).