公制单位
METRIC UNITS

　　下列压力-温度表来自ANSI B16.34 - 1996版，包括行业内最常用的阀体和阀帽材料。
　　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。作为标准，美国太平洋阀门所进行的流体静力学壳体检测压力是ANSI额定压力等级的最大冷冲击工作压力的1.5倍，流体静力学阀座检测压力是是ANSI额定压力等级的最大冷冲击工作压力的1.1倍。
　　The following pressure-temperature charts are derived from ANSI B16.34 - 1996 Version. It will cover the most commonly-used body and bonnet materials in the Industry.
　　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. As a standard, Pacific Valves performs Hydrostatic Shell Testing at a minimum 1.5 times and Hydrostatic Seat Testing at a minimum of 1.1 times the Maximum Cold Working Pressure of an ANSI Class Rating.

ASTM A216等级WCB
ASTM A216 GR. WCB

注意：在长时间处于温度超过426^oC的环境中，碳钢的碳化物相可能转化为石墨。允许，但是建议不要长时间在温度超过426^oC的环境中使用。
Note: Upon prolonged exposure to temperatures above 427^oC, the carbide phase of carbon steel may be converted to graphite. Permissible, but not recommended for prolonged usage above 427^oC.

ASTM A216等级WCC
ASTM A216 GR. WCC

注意：在长时间处于温度超过426^oC的环境中，碳钢的碳化物相可能转化为石墨。允许，但是建议不要长时间在温度超过426^oC的环境中使用。
Note: Upon prolonged exposure to temperatures above 427^oC, the carbide phase of carbon steel may be converted to graphite. Permissible, but not recommended for prolonged usage above 427^oC.

ASTM A352等级LCB
ASTM A352, GR. LCB

注意：不能用于温度超过343^oC.
Note: Not to be used over 343^oC