高溫高壓截止閥J65H_熱風爐系統_截止閥
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- 請求信息 : 2023-02-20 11:40:52 HTTP/1.1 GET : http://www.cqsenpu.com/product/globe_valve/002-004411.html
- 運行時間 : 0.440955s [ 吞吐率：2.27req/s ] 內存消耗：5,646.96kb 文件加載：241
- 查詢信息 : 227 queries
- 緩存信息 : 0 reads,1 writes
- 會話信息 : SESSION_ID=a03b90d6747198253ecdee448b90d5fb
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熱風爐系統是一種冶金的專業術語。其換熱原理采用外熱強制內流，熱效率比普通熱風爐提高一倍以上，節能50%。換熱管垂直，燃燒煙煤不堵塞煙道，清除積碳方便。爐子和爐條是空氣冷卻的，不會熔化爐子和爐條。熱風爐的工作原理是煤、油等燃料在燃燒爐內燃燒，熱風爐內的水加熱到一定溫度，然后變成蒸汽，通過管道送到對岸，加熱空氣，縮短衣物烘干時間，或者利用熱能發電。歐拉姆高壓截止閥針對熱風爐系統提供解決方案，擁有行業領先技術，密封性能更好，便捷輕松。
高溫高壓截止閥是一種高溫高壓截止閥。高溫高壓截止閥的啟閉部分為塞狀閥瓣，密封面為平面或圓錐形，閥瓣沿流體中心線直線運動。高溫高壓截止閥結構簡單，制造和維護方便。高溫高壓截止閥工作行程小，開閉時間短。高溫高壓截止閥密封性能好，密封面間摩擦小，使用壽命長。高溫高壓截止閥可分為直通式、直角式、直通式傾斜截止閥三大類。高溫高壓截止閥閥門開啟時，當閥瓣開啟高度為公稱直徑的25% ~ 30%時，流量已達到最大，說明閥門已達到全開位置。因此，截止閥的全開位置應該由閥瓣的行程決定。
高溫高壓截止閥是一種強制密封閥，所以當閥門關閉時，必須對閥瓣施加壓力，迫使密封面不泄漏。當介質從閥盤下方進入閥門6時，操作力要克服的阻力是閥桿和填料之間的摩擦力以及介質壓力產生的推力。關閥的力要大于開閥的力，所以閥桿的直徑要大一些，否則閥桿會彎曲。近年來，自密封閥出現以來，高溫高壓截止閥的介質流向從閥盤上方變為閥腔內。此時，在介質壓力的作用下，閉閥力較小，但開閥力較大，可相應減小閥桿直徑。同時，在介質的作用下，這種閥門也是緊密的。
結構比閘閥簡單，制造與維修都較方便。密封面不易磨損及擦傷，密封性好，啟閉時閥瓣與閥體密封面之間無相對滑動，因而磨損與擦傷均不嚴重，密封性能好，使用壽命長。
截止閥的閥桿軸線與閥座密封面垂直。閥桿開啟或關閉行程相對較短，并具有很好的切斷動作，使得這種閥門十分適合作為介質的切斷或調節及節流使用。
閥瓣對焊硬質合金耐沖刷能力強。壓力自密封設計，介質的壓力起伏波動對密封性 能無影響。
1、設計制造按BS5352、MSS SP-118；
2、承插口尺寸按ANSI B16.11；JB/T1751
3、螺紋端尺寸按ANSI B1.20.1；JB/T7306
4、對焊端尺寸按ANSI B16.25；JB/T12224
5、法蘭端尺寸按 ANSI B16.5；JB79
6、閥門檢查和試驗API 598； GB/T13927； JB/T9092
結構特征 螺栓連接閥蓋(B.B)和明桿支架(OS & Y) 焊接閥蓋(W.B)和明桿支架(OS & Y)