G、GH型砂礫泵結構圖

密封形式：

Sealing Forms:

1、填料密封：用(yòng)于吸上或倒灌狀态。軸封水(shuǐ)壓力應比泵出口壓力高(gāo)35KPa，軸封水(shuǐ)量爲（見表）。

2、副葉輪密封：一般用(yòng)于倒灌狀态，倒灌水(shuǐ)頭不超過泵總水(shuǐ)頭的(de)10％，軸功率将增加5％左右。

1、Parking gland:For the suction or gravity condition.The pressure of sealing liquid should be 35KPa higher than the discharge pressure of the pump.The quantity of sealing liqyuid can be seen in following table:

2、Expeller seal: In general for gravity condition the gravity head should not be exceeded to 10% of the total head of the pump and the shaft power will increase by 5% about.

1、泵體Volute                     2、葉輪Lmpeller

3、泵蓋Cover                      4、後護闆Frame

 plate liner

5、軸承組件Bearing assembly        6、托架Frame

7、填料箱Stuffing box              8、軸Shaft

         填料密封 parking gland                副葉輪密封 expeller seal