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進(jìn)口高真空擋板閥

品牌：德國沃德WODE

WDGD型－高真空擋板閥

　　WDGD型高真空擋板閥用于接通或切斷真空管路中的氣流。適用介質(zhì)為純凈空氣和非腐蝕性氣體。高真空擋板閥按軸封結(jié)構(gòu)可分WDGD-J型橡膠軸封和WDGD-J(b)型波紋管軸封兩種。按通導(dǎo)形式可分WDGD-J為角通型式，WDGD-S為帶預(yù)抽口的三通型式。

WDGD High Vacuum Flapper Valve

　　WDGD high vacuum flapper valve is used toput through or cut off the airflow in vacuum pipeline. Applicable medium can bepure air and noncorrosive gases. According to its shaft seal structure, highvacuum flapper valve is classified into WDGD-J rubber shaft seal type and WDGD-J(b)bellowsshaft seal type. According to its put-through type, it is classified into WDGD-Jangle type and WDGD-S three-way type with prepumping.

主要技術(shù)性能Main Technical Performance

　　適用范圍：Applicability

　　105～1.3×10-4Pa(軸封為橡膠)

　　105～1.3×10-5Pa(軸封為波紋管)

　　閥門漏率：Valve Leak Rate

　　≤1.3×10-4Pa.L/S.(軸封為橡膠)

　　≤1.3×10-5Pa.L/S.(軸封為波紋管)

　　適用溫度：Applicable Temperature

　　-25～+80℃(丁腈橡膠)

　　-30～+150℃(氟橡膠)

主要零件材料Materials of Main Parts

　　閥體、閥蓋、閥桿：鋁合金、碳鋼或不銹鋼Body, bonnet and stem: aluminium alloy, carbon steel or stainlesssteel

　　密封件：丁腈橡膠、氟橡膠、波紋管(軸封) Sealingelement: NBR, Viton, bellows(shaft seal)

外形及連接尺寸(mm) Overall and ConnectionDimensions(mm)

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