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  • 電動執行機構
  • 閘閥、蝶閥
氣動單座調節閥是一種頂導向結構的調節閥,閥體流體通道呈 S 流線型,壓降損失小,流量大, 可調范圍廣,流量特性曲線精度高,閥芯導向面積大,抗振性好。調節閥配用多彈簧式薄膜執行機構,結構緊湊,輸出力大??捎糜诳刂聘鞣N不同壓力和溫度的流體。《查看更多》
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熟妇人妻aV中文字幕老熟妇
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