GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage,controls the actuating cylinder to drive the valve openedclosed. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure airnoncorrosive gases. With signal feedback device.
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主要技術性能 Main Technical Performance
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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
氣源壓力:Annoy pressure
0.4~0.6MPa
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主要零件材料 Materials of Main Parts
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閥體、閥蓋、閥桿:鋁合金、碳鋼或不銹鋼 密封件:丁腈橡膠、氟橡膠、波紋管軸封。
Body, bonnetstem: aluminium alloy, carbon steel or stainless steel Sealing element: NBR, Viton, bellowsshaft seal