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1·Body and bonnet joint accurately machined. Gasket materials on page 3, details on page 13.

阀体和阀帽连接部位经过精密机加工。密封垫材料请参阅第3页，详细内容参阅第13页。

2·Valves in these classes are also available with spiral wound gasket bonnet joints when specified.

如果需要，这种压力等级的阀门也可配置螺旋盘绕或环连接垫圈。