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NKJ61/64Y NKJ41/44H vacuum isolation valve
Product Name:
NKJ61/64Y NKJ41/44H vacuum isolation valve
Description:

NKJ61/64Y NKJ41/44H真空隔離截止閥

產品描述:

主要結構特點及用途

①本系列閥門主體采用鑄鍛結構,具有平行雙密封副半強制雙向密封,密封面到位運動和楔形塊運動分步作用實現零泄漏。

②密封面運動摩擦力小,啟閉輕便,而且密封面磨損有自動補償功能。

③結構簡單、緊湊、檢修方便、使用壽命長。

④閥蓋填料室設有真空密封結構,具有自脹壓緊作用,并且各接觸面采用高強膨脹材料密封,使系統與大氣完全隔離,具有很好的系統氣密性。

⑤本系列閥門連接形式分法蘭、焊接兩種,驅動方式有手動、電動兩種。

⑥該閥門適用于工作溫度≤425℃和≤550℃,工作介質為水、蒸汽或空氣的管路上,作為啟閉裝置;尤其適用于火電廠汽機冷凝和真空負壓系統,起真空隔離密封作用。

閥門結構型式


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