密封

In order that pump runs in reason, for slurry pump with expeller seal combined with packing, axial gap seal of impeller should be regulated in good time.

为使泵合理运行，对于付叶轮加填料组合式渣浆泵，应及时调整叶轮的轴向间隙密封。

For expeller seal combined with packing, adjust degree of tightness of gland in time and replace packing termly, so as to insure a little of clear water through the shaft all the time.

对于付叶轮加填料组合式密封，应及时调整填料压盖的松紧并定期更换填料，以保证始终有少量的清洁水通过轴。

Generally for pump with expeller seal combined with packing, adjusting impeller forward is advantageous for performance of pump and backwards increasesshaft seal effect, so that may be adjusted according to users' practical needs.

一般地，对付叶轮加填料密封形式的泵，叶轮向前调整有利于泵性能，向后调整可增加轴封效果，故用户可根据实际需要调整。

Generally for pump with expeller seal combined with packing, adjusting impeller forward is advantageous for performance of pump and backwards increases shaft seal effect, so that may be adjusted according to users' practical needs.

一般地，对付叶轮加填料密封形式的泵，叶轮向前调整有利于泵性能，向后调整可增加轴封效果，故用户可根据实际需要调整。

For single-stage pump, the packing seal combined with expeller should be utilized. And the sealing water pressure is equal to or larger than 0.2Mpa.

对于单级的渣浆泵，建议采用填料加付叶轮组合式密封，轴封水压力一般不低于0.2MPa。

For multi-stage pump in series operation with the expeller seal combined with packing, the sealing water pressure should be: the lowest sealing water pressure of nth stage =∑Hi+0.7Hn, where n≥2

对于多级串联采用填料加付叶轮组合式密封，二级和二级以上轴封水压力一般为：第n级轴封水最低压力=∑Hi+0.7Hn，其中n≥2

For expeller seal combined with packing, leakage should be checked in place with packing: before the motor starting, open shaft seal water. If excessive leakage, please tighten gland nuts until guttate leakage.

对于付叶轮加填料组合式密封，应检查填料处泄漏量：启动前，先打开轴封水，如果泄漏量过大，应拧紧填料压盖螺母，直至泄漏呈点滴状为止。

Tube-to-tubesheet is connected by expanded weld in order to guarantee the extensional rigidity and seal performance.

管子与管板采用胀焊结构，确保有足够的抗拉脱强度和密封性能。

While install, we should clean the inner to prevent the dirt blocks or the eyewinker damages the sealed parts and check if all the connected bolts are uniformity tight and fast.

4.6安装时，应将阀门内腔清洗干净，防止污垢卡阻或异物损伤密封部件。并检查各部件连接螺栓是否均匀紧固。

Rely on the static sealing gasket face joint logistics process will remain in the body and bonnet flange or within .

依靠端面接头垫片的静密封将工艺物流保留在阀体和阀帽内。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！