Class 300 - 600: Fully - encased spiral wound graphite - filled stainless steel gasket.

600磅级: 全封闭螺旋缠绕石墨填充不锈钢密封垫.

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Valves in these classes are also available with spiral wound gaskets when specified.

如果用户要求,对于这些压力等级的阀门,我们也可以提供螺旋盘绕垫圈.

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

如果用户要求,对于这些压力等级的阀门,我们也可以提供螺旋盘绕垫圈阀盖连接.

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Valves in these classes are also available with spiral wound or ring joint gaskets when specified.

如果用户要求,这些压力等级的阀门也可提供螺旋盘绕或环连接垫圈.

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