Do not rely on the flange bolting to support the valve or connecting pipeline. 不能依賴(lài)法蘭螺栓來(lái)支撐閥門(mén)或連接管道。
The elastomer pinch sleeve shall be one piece construction with flanges, drilled to be retained by the flange bolts. 人造橡膠夾管套管應該是一件式結構,并帶法蘭安裝孔,以便固定法蘭螺栓。