Be sure that valve is fully open. Apply heat to tube first. Transfer as much heat as possible through tube into valve. Avoid prolonged heating of valve itself.
要确保阀门处于开启状态。先对管道加热。尽可能多的将热从管道传递到阀门。避免延长阀门本身的加热时间。
2
For cryogenic liquid cylinders, the transfer line is connected to the cylinder liquid withdrawal valve.
对于低温液体钢瓶，转移管连接到钢瓶的液体提取阀门上。
3
For cryogenic liquid cylinders, the transfer line is connected to the cylinder's liquid withdrawal valve.