The phase change of ordinary pressure-transfer sealing medium made by pyrophylite occurs under high temperature and high pressure, which influences the medium's functions.

普通单一叶蜡石材料传压密封介质在高温高压下容易发生相变，影响介质的使用性能。

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The utility model provides a main shaft sealing device for a large-size washing machine, comprising a supporting device, sealing medium, an oil feeding hole, a sealing element, etc.

一种大型洗衣机主轴的密封装置，它是由支承装置、密封介质、注油孔、密封件等组成；

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Needle valve pressure better than other valves, sealing performance, it is generally used for small flow, high pressure gas or liquid sealing medium, also used in conjunction with the pressure gauge.

针型阀比其他阀门更能受压，密封性能好，所以一般用于较小流量，较高压力的气体或者液体介质的密封，还可与压力表配合使用。

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