我们的螺栓阀盖结构使得拆卸简单化，维护容易。例如，我们独特的螺纹阀座环易于接近进行维修或更换。
Our bolted bonnet design is simple to disassemble, easy to maintain. For example, our unique threaded seat rings are easily accessible for repair or replacement.
经分析得出：事故原因是减压阀阀座和阀盖的连接螺纹接触高度过小，强度不足，导致螺纹连接失效。
The screw joint of the reducer bonnet and body was concluded as the failure position because of its small contact height.
螺纹旋进式阀盖：通常用于轻型管道系统和小尺寸青铜多回转阀门中。
Threaded-in bonnet is common in lighter-duty services and smaller sizes of bronze multi-turn valves.
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