A safety valve is installed at the exhaust port of the sealed oil tank, a drain valve is installed at the inlet of the safety valve, and an orifice plate is installed at the oil injection port. Set as shown below:
A safety valve is set at the exhaust port of the sealed oil tank, a drain valve is set at the inlet of the safety valve, and an orifice plate is set at the oil filling port. As shown in the figure below:<br>