久久妞干网_久久久毛片视频_成人国产精品一区二区毛片在线,人人鲁人人莫一区二区三区,天堂岛av,国产精品九九九

氣動螺紋球閥Pneumatic Thread Ball Valve

型號Modle:540Q611F

通徑Diameter:DN15-DN100

壓力Pressure:PN1.0-PN4.0Mpa

適用介質Medium:淡水，海水，空氣，弱酸性、弱堿性液體，油，醇類等Freshwater, Seawater, Air, Weak acid.alkaline liquid, oil, alcohols etc

適用溫度Temperature:-20℃-140℃

閥體材質Body Material:不銹鋼Stainlesssteel