Sluice valves are to be of a non-rising stem type and to have solid wedge discs.
泄水阀应该是一种闸阀，并且有一致的闸板。
All pressure seal gate valves are available with a solid wedge. Specify figure number 55006.
所有压力密封闸阀都可以配置实心硬楔形闸板。订购时请指定型号55006。
Modern foundry and machining controls enable the solid wedge to give good performance in a broad range of services.
现代铸造技术和机械加工工艺使得实心楔板在许多管道系统中的工作性能表现优异。
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