Application: high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. Technical Data: Fluid:gas、water、stream、acid liquid more Leak rate:≤1.0×10-6Pa·L/s; Operating pressure:1.0×10-6Pa~1.6×106pa; Working temp.:-50℃~+150℃; Materials: SS304、SS316L Sealing element::FKM、NBR、VITON、EPDM PipeConnection:flange Figure Structure:
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