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R412006257-AVENTICS氣動截止閥
AVENTICS氣動截止閥屬于強制密封式閥門，所以在閥門關(guān)閉時，必須向閥瓣施加壓力，以強制密封面不泄漏。當介質(zhì)由閥瓣下方進入閥六時，操作力所需要克服的阻力，是閥桿和填料的磨擦力與由介質(zhì)的壓力所產(chǎn)生的推力，關(guān)閥門的力比開閥門的力大，所以閥桿的直徑要大，否則會發(fā)生閥桿頂彎的故障。從自密封的閥門出現(xiàn)后，截止閥的介質(zhì)流向就改由閥瓣上方進入閥腔，這時在介質(zhì)壓力作用下，關(guān)閥門的力小，而開閥門的力大，閥桿的直徑可以相應(yīng)地減少。同時，在介質(zhì)作用下，這種形式的閥門也較嚴密。我國閥門"三化給"曾規(guī)定，截止閥的流向，一律采用自上而下。
AVENTICS R412006257氣動截止閥
結(jié)構(gòu)特點 提動閥, 可以組裝成塊
用于掛鎖
鎖定式
工作壓力范圍 0 bar / 16 bar
介質(zhì) 壓縮空氣
中性氣體
介質(zhì)溫度范圍 -10°C / +50°C
環(huán)境溫度范圍 -10°C / +50°C
操作元件+ 管狀端頭
密封原理 軟密封
顆粒大小 max. 25 ?m
材料:
外殼 聚酰胺
正面板 丙烯腈合成材料
密封 丙烯樹膠
螺紋管套 壓鑄鋅
操作元件+ 聚甲
R412006257-AVENTICS氣動截止閥
以下是力士樂之安沃馳氣動元件銷售型號
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