valve bonnet 阀盖 ; 阀罩 ; 阀帽 ; 气门盖
yoke bonnet valve 弓型顶盖
bolted bonnet valve 螺栓阀帽阀
valve bonnet seal 阀盖密封
If this does not occur or valve has been constantly discharging remove bonnet.
如果上述现象没能发生，或者阀门持续排放，则拆卸阀盖。
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：检查或更换磨损的阀瓣，断开控制管道的连接，采用钝工具和锤子敲击阀帽上的接片，然后旋松阀帽螺纹。
安装阀门的阀盖。
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