Reinstall the handwheel in the correct orientation so that the original setting is indicated and secure with the retaining bolt 按照正确的方向重新安装手轮,使得原先的设置能够显示,并用固定螺栓加固。
You can not add assistant lever to the hand wheel . clockwise turn of hand wheel means the closing of valve , otherwise it means opening 操作时手轮顺时针旋转为阀关,反之为开,不得在手轮上再增加辅助杠杆。
The figure shows the normal position of hand wheel and squre head operations . for special requirement please specify in ordering contract 图示为常规的手轮和方头操作位置,用户如有特殊要求请在合同中注明。