球閥簡單的來說就是用帶圓形通孔或通道通過旋塞體軸線作啟閉件,球體隨閥桿轉動使其實現啟閉動作的閥門.
球閥的主要標準如下：
GB12237-89《通用閥門法蘭和對焊連接鋼制球閥》
GB12237-89 "universal valve connecting flange and butt welding steel ball valve"
GB/T15185-94《鐵制和銅制球閥》
GB/T15185-94 "ball of iron and copper"
GB8464-87《內螺紋連接閘閥、截止閥、球閥、止回閥通用技術條件》
GB8464-87 "inside thread connection gate valve, globe valve, ball valve, check valve general technical conditions"
GB8465.3-87《內螺紋連接閘閥、截止閥、球閥、止回閥基本尺寸鐵制球閥》
GB8465.3-87 "inside thread connection gate valve, globe valve, ball valve, check valve basic size steel ball valve,"
JB/T53167-94《球閥產品質量分等》
JB/T53167-94 "ball valve product quality grading"
JB/Z246-85《球閥靜壓壽命試驗規程》
JB/Z246-85 "Ball Static life test procedures"
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