Generally use the soft rubber type sealing ring seal, hard seal ring - type metal seal used.

软密封型一般采用橡胶环密封, 硬密封型通常采用金属环密封.

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Water ring type vacuum pump release vacuum of inhaling, can economize the electricity.

水环式真空泵抽吸真空, 可节约电力.

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Bonnet joint varies from flat face gasket - joint to ring - type bonnet joint, depending on class.

阀盖连接方式从平面垫圈连接到环形阀盖连接, 压力等级不同,连接方式也有所不同.

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End Connections – choice of flanged smooth finish or ring type for piping flexibility.

连接端口-根据连接管道的情况,可选择法兰光滑表面或环连接端口.

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End Connections – choice of raised face smooth finish or ring type joint for piping flexibility.

连接端口-根据管道特点选择凸面光滑表面或环连接端口.

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There are two kinds of ball cores: Cross ball core and three - ring type ball core.

球芯有两种: 十字型球芯和三环型球芯.

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