wedge disc meaning in Chinese

闸板

Valves are also furnished with solid wedge discs that have proved successful in millions of applications
这种阀门也配置实心楔形阀瓣，并经过几百万个实际应用的成功考验。
The seat ring uses the sealing face inlaid with ptfe , so has dual seals of ptfe to metal and metal to metal , the ptfe sealingface also acts as removing the dirt on the wedge disc
金属对金属密封的阀门，阀体外部设有注油脂结构，油脂通过注脂器、阀座进入阀门密封面，使阀门达到零泄漏。
The wedge disc of the valve with flow guide hole is always fitted with the sealing face whether in full open or full close status to have the sealing face protected without being directly eroded by the medium so as to extend the duration
带导流孔阀门的闸板，无论是全开或是全关始终与密封面吻合，密封面得到保护不受介质直接冲刷，从而延长使用寿命。