For Polypropylene valves, add the letter "p" to the part number (e. g. 4423-025p).

对于聚丙烯材质阀门，将字母“P”加在型号上。例如：4423 - 025p。

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All Pacific Valves are designed to operate through pressure and temperature range shown in these P-T Charts for a particular ANSI Class Rating and ASTM Material.

所有美国太平洋阀门都适用于这些压力-温度表内某个特定的ANSI压力等级和ASTM材料所显示的压力和温度范围内。

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