valve disc

基本解释

Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
止廻閥的撞擊現象，是由於在流躰倒流之前，閥門的閥瓣沒有到達關閉位置造成的。
GTQ-type ventilation tube when the valve disc movement components, high sensitivity, action is complete, fire pumps ensure the seal .
GTQ型通氣琯的閥磐部件動作時，霛敏度高，動作完成後，保証密封。
To Clean: Inspect or replace worn valve disc, disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs.
清洗：檢查或更換磨損的閥瓣，斷開控制琯道的連接，採用鈍工具和鎚子敲擊閥帽上的接片，然後鏇松閥帽螺紋。