3秒减压阀自动打开，将蒸汽释入一个储存罐。

3 SEC The PORV (pressure relief valve) opens automatically, releasing steam into a holding tank.

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定时装置随后开启下面的夹管阀并持续一段固定的时间，让塑料粉末从中间罐腔中排出。

The timer then opens the lower valve for a fixed period of time, permitting the - plastic powder to discharge from the intermediate chamber.

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这个系统，一共有48个生产罐，以前一直采用隔膜阀。

This system, with 48 production tanks, previously used diaphragm valves exclusively.

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