BD15AAANB10優勢特價伺服閥    橡膠墊圈密封是利用閥板與閥座間壓緊橡膠墊圈，依靠橡膠彈性變形填塞表面不平來實現的密封BD15AAANF2.5
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BD15AAAVB5
BD15AAAVC10
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BD15AAAVH5
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BD15AACVC10
BD15ABANC1
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BD15ACANB10
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BD15AFAND10
BD15AFAND15
BD15AFANE10
BD15AFANE20
。目前真空閥門的膠墊密封歸納起來有6種，如圖18所示。前4種用于較大口徑的閥門，后2種用于較小口徑的閥門。R9009334784WRE6E08-2X/G24K4/V
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R9009121564WREE6E08-2X/G24K31/A1V
R9009205674WREE6E16-2X/G24K31/A1V
R9009071144WREE6E32-2X/G24K31/A1V
R9009156864WREE6E1-16-2X/G24K31/A1V
R9009285534WREE6E1-32-2X/G24K31/A1V
R9009230004WREE6W08-2X/G24K31/A1V
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R9009110044WREE6W32-2X/G24K31/A1V
R9009396274WREE6W1-16-2X/G24K31/A1V
R9009133594WREE6W1-32-2X/G24K31/A1V
R9009093674WREE6V08-2X/G24K31/A1V
R9009074404WREE6V16-2X/G24K31/A1V
R9009116814WREE6V32-2X/G24K31/A1V
R9009541004WRE10E25-2X/G24K4/V
R9009541014WRE10E50-2X/G24K4/V
R9009541024WRE10E75-2X/G24K4/V
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R9009541054WRE10W25-2X/G24K4/V
a種是早期采用的結構，為了便于加工閥座上的密封槽，必須把閥座與閥殼設計成可拆卸的，這就在結構上增加了一道真空密封。現在絕大多數閥門都采用閥板上帶密封圈的結構。
    選擇真空閥門的密封結構時應注意以下幾點：a.盡可能減少閥板下高真空側的放氣因素，例如選用放氣率小的密封墊材料等.b.關閥后密封圈截面上有*大的壓縮變形.c.結構力求簡單;d.制造方便;e.密封元件便于拆卸和修理。派克電磁閥D1FVE02BCVFOA37
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