API美標焊接截止閥-美國伯勃朗BOLON-江蘇截止閥廠產品介紹:
API美標焊接截止閥和焊接閘閥是同屬一個類型的閥門,區別在它的關閉件是個閥體,閥體繞閥體中心線作旋轉來達到開啟、關閉的一種閥門。 閘閥在管路中主要用來做切斷、分配和改變介質的流動方向。二片式球閥,三片式球閥,是近年來被廣泛采用的一種新型閥門。
API美標焊接截止閥-江蘇截止閥廠的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉桿式(手輪與閥桿一起旋轉升降,螺母設在閥體上)。截止閥只適用于全開和全關,不允許作調節和節流。
API美標焊接截止閥-美國伯勃朗BOLON性能規范:
閥體材料 |
SCPH2-11 |
SCPH-32 |
SCS13A |
SCS19A |
SCS14A |
SCS16A |
SCPL1 |
適用溫度 |
≤425 |
≤540 |
≤275 |
≤200 |
≤275 |
≤200 |
-45-150 |
適用介質 |
水、蒸汽、油品 |
硝酸類 |
醋酸類 |
氨氣液氨 |
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