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。
According to the factors of operation pressure, medium and temperature, the specification and outside dimension of hollow metal O-ring, the detailed dimension of sealing groove were determined.
设计时应根据操作压力、介质和温度等条件确定金属空心o形圈的外形尺寸和规格，然后进行矩形槽的设计。
Mechanical seals and sealing filler sealing has two forms, for high temperature, high viscosity and corrosive medium, choose packing seal.
密封有机械密封和填料密封两种形式，对于高温、高粘稠度及腐蚀性较强的介质，选用填料密封。
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