产品分类

根据混合液的流量范围可分8～32、16～48、16～64、48～80、64～100、32～150、48～200、等种

4.2 产品的型号

产品的型号组成如下：

4. Product Categories and name

4.1 Product Categories

The flow range can be divided i* seven types: that with 8 to 32, 16 ~ 48, 16 ~ 64, 48 ~ 80, 64 ~ 100, 32 ~ 150, 48 to 200, and other types.

4.2 Product Type

The model c*ists of the following products:

P—category: foam equipment

H—group: mixer

P—features: balanced

X—it represents the maximum flow of foam concentrate

五、结构 Structure

图1单齿轮泵平衡式比例混合装置结构

Figure 1: The structure of single gear pump structure balanced proportioning equipment

1.公共底座Base plate  2.泡沫液柜The foam liquid cabinet 3.过滤器Filter 4.冲洗口Rinse port 5.电动蝶阀Electric butterfly 6.齿轮泵Gear pump 7.止回阀Check valve 8.双针压力表Duplex pressure gauge 9.安全阀Safety valve  10. 平衡阀Balance valve  11.出水管The outlet pipe  12.比例混合器Proportione*.进水口Water inlet

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图2双齿轮泵（一主一备）平衡式比例混合装置结构

Figure 2: The structure of double gear pump (one active and one standby) balanced proportioning device