拼合楔 meaning in English

split wedge

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。
For the following valves with his option the center to top dimensions ( open and closed ) must be increased approximately 2 inches , consult factory for exact dimensions
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。