使用泡沫泵时，需要注意以下几点：

1. 启动前将泡沫泵排出阀门打开，吸入阀门关闭，待泡沫泵达到全转速时，方可启动。

2. 启动后应逐渐打开吸入阀，使液体进入泵内，直至完全浸没叶轮为止。

3. 停止时应先将吐出阀门打开，使液体流出泵外，然后再停止电动机。

4. 运转中应注意观察各部轴承的温升情况，如有异常现象应立即停车检查。

5. 使用环泵式比例混合器时，如水源为消火栓等压力水源，压力水必须先加入水罐减压后再供环泵式比例混合器使用。

6寸泡沫泵.6寸立式泡沫泵

When using the foam pump, pay attention to the following points:

1. Before starting, open the discharge valve of foam pump and close the suction valve. When the foam pump reaches full speed, it can be started.

2. After starting, the suction valve should be gradually opened to allow liquid to enter the pump until the impeller is completely submerged.

3. When stopping, the discharge valve should be opened first to allow the liquid to flow out of the pump, and then the motor should be stopped.

4. During operation, attention should be paid to observing the temperature rise of each bearing. If there are any abnormalities, the machine should be stopped immediately for inspection.

When using a ring pump proportional mixer, if the water source is a pressure water source such as a fire hydrant, the pressure water must first be added to the water tank for pressure reduction before being supplied to the ring pump proportional mixer.