對焊式高壓截止閥的結構長度按E101的規定。閥體焊接坡口按ANSI B16.25的規定或按用戶提供的尺寸。

對焊式高壓截止閥產品介紹：
電站截止閥也稱電站截止閥，電站截止閥與其他截止閥產品相比的特點是高溫高壓，*的自密封設計，壓力越高，密封越可靠。由于性能技術特性、工況的特殊使產品也形成了其他產品所替代不了的特點。制造驗收技術條件按日本火力發電用閥門標準E101的規定。磅級電站截止閥的結構長度按E101的規定。閥體焊接坡口按ANSI B16.25的規定或按用戶提供的尺寸。閥蓋填料函嘗試合理，填料加緩蝕劑，密封可靠，開關平穩。閥門具有上密封結構,保證閥門開啟運行時閥桿處不會外漏。

對焊式高壓截止閥應用范圍：
電站截止閥適用于Class1500～3500Lb、工作溫度-29～570℃的石油、化工、火力電站等各種工況的管路上切斷或接通介質。適用介質為：水、油品、蒸汽等非腐蝕性介質。

對焊式高壓截止閥結構特點：
1.產品設計制造按ASME B16.34、E101標準，可與進口設備配備使用。
2.閥門中腔采用壓力自緊式密封結構，內腔壓力越高密封性能越好。
3.支管兩端為對焊連接，適應不同的接管要求。
4.閥瓣、閥座的密封面采用slite 司太立鈷基硬質合金堆焊而成，耐磨、耐高溫，抗擦傷性能好、使用壽命長。
5.閥蓋填料函嘗試合理,填料加緩蝕劑,密封可靠,開關平穩。
6.閥門具有上密封結構,保證閥門開啟運行時閥桿處不會外漏。
7.電動截止閥的開啟和關閉由電動裝置來控制，電動裝置分別配有電機、減速器、轉矩控制機構，現場操作機構，手動、電動切換機構。除就地操作外，還可進行遠距離操作。

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