PDF《Installation Instructions 安装说明书》

2) Check the stud nut torque. If there has been any torque loss,re-tighten to the minimum gland load. 符合压盖螺栓扭矩,如果发现扭矩低于最小推荐值,需要重复上紧;

3) Repeat steps

2 and 3three times or until no significant torque loss occurs after moving the stem. 重复 2,3 步骤,直至压盖螺栓扭矩无明显下降;