主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。

The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.

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如使用弯管，请将其套在阀门放料口的外螺纹上，并用手拧紧。

When using discharge tube, please? Screw it onto the outlet of valve, and tighten it.

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主要用于一些高压差或流阻小的工况，也可作为釜底放料阀使用。

Mainly used for high pressure or flow resistance of the working conditions, but also can be used as the bottom discharge valve.

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