The handle is of malleable iron with epoxy coating . the throttling index plates are made of zinc - plated steel 手柄是可锻铸铁,环氧树脂涂敷。节流刻度板由镀锌钢制成。
Handle assembly is removed by loosening bolt and pulling upward . remove the two hold - down bolts and lift index plate from valve 通过松懈螺栓并拔出方法拆卸手柄总成。拆卸两个紧固螺栓,提起阀门上的刻度板。
In reassembly of lever handle , align the index plate so that the number one ( 1 ) , indicating the full closed * position , is at right angles to the bore of the valve 在组装杠杆手柄时,对准刻度板,使其指示全闭位置的数字1位于阀门阀腔上的准确位置。