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鍛鋼球閥密封能力隨著介質的壓力增高而增大

發布日期:[2018-09-09]     點擊率:

鍛鋼球閥的傳統控制方式是通過閥門限位開關、過力矩開關等機械的控制方式,由于這些控制元件受環境溫度、壓力、濕度的影響,造成閥門定位失準,彈簧疲勞、熱膨脹系數不均勻等客觀因素,造成電動鍛鋼球閥的內漏。

鍛鋼球閥


鍛鋼球閥下裝式閥桿和閥桿頭部凸階防止閥桿噴出,如火災造成閥桿密封破壞,凸階與不銹鋼閥體間還可形成金屬接觸,確保閥桿密封,鍛鋼球閥閥桿密封可靠,由于閥桿只作彷轉動運而不做升降運動,閥桿的填料密封不易破壞,且密封能力隨著介質的壓力增高而增大.


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