時間：
2017
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10
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21
GDC-5型電磁手動真空擋板閥是連接在真空管路上，用來接通或截止真空系統中的氣流，或作充氣閥用。當通電時將P、A端管路接通、斷電時切斷P、A端管路，保持P端真空系統的真空度。適用介質為純凈空氣和非腐蝕性氣體。 ■ GDC-5型電磁手動真空擋板閥Electro High Vacuum Flapper Valve ■ GDC-5 electro high vacuum flapper valve is mounted in vacuum pipeline to put through or cut off the airflow in vacuum system, or used as a charging vale. When power is connected, pipes at P and A will be put through, and when power is disconnected, pipes at P and A will be cut off, to keep the vacuum system at P vacu...