Consult factory for centerline to top dimensions ( open and closed ) for split wedge valves 对于拼合楔形闸板阀门的中心线至顶端(开启和关闭状态下)的尺寸,请咨询工厂。
4.
Flexible or split wedges are recommended for service above 500 ? to avoid wedge binding due to thermal expansion 对于温度超过260的应用环境,建议采用柔性或拼合式楔形闸板,避免楔形闸板由于热膨胀而被卡住。