Application: high vacuum (pressure) ball valve is used to put through or cut off the medium flow in vacuum (pressure) pipeline in the areas of vacuum, dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals. Technical Data: Fluid:gas、water、stream、acid liquid more Leak rate:≤1.0×10-6 Pa·L/s; Operating pressure:1.0×10-6Pa~1.6×106pa; Working temp.:-50℃~+150℃;-50℃~+250℃; sealing of shaft:PTFE Materials: SS304、SS316L PipeConnection : quick release flange;loose flange;ISO 2852 sanitary quick release flange Figure Structure: