連接形式：

螺紋

材質(zhì)：

碳鋼

閥瓣開啟高度：

微啟式安全閥

結(jié)構(gòu)形式：

杠桿式

SY7120-1LZ-C8
SY7120-1LZE-C8
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SY9420-4DZD-03
SY9420-4LZD-03
SY9420-5DE-C10
SY9420-5DZD-C10
SY9420-5DZD-03
SY9420-5GD-03
SY9420-5GE-03
SY9420-5LZD-C8
SY9420-5LZD-02
SY9420-5LZD-03
SY9420-5LZE-03
SY9440-5DZD
SY9440-5LZD
SY9440-5LZD-03
SY9520-4LZD-03
SY9520-5D-C8
SY9520-5LZD-03
SY9540-5DZD