A large trunnion or trunnion support design ensures central position of ball under the highest working pressure. This permits ease of operation.
大枢轴或枢轴板设计，确保球体在高压下具有正确的中心位置，保证阀门良好的操作性能。
The corrugated pipe expands and contracts along with valve lever's fluctuation, its highest working pressure is decided by corrugated pipe's pressure resistance intensity and the fatigue strength.
波纹管随阀杆的升降而伸缩，其最高工作压力取决于波纹管的耐压强度和疲劳强度。
The corrugated pipe expands and contracts along with valve lever's fluctuation, its highest working pressure is decided by corrugated pipe's pressure resistance intensity and the fatigue strength.
波纹管随阀杆的升降而伸缩，其最高工作压力取决于波纹管的耐压强度和疲劳强度。
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