The small size of steel valveless filter series products is square and flat top cover, while the large size is round and arched top cover. It has good health protection conditions and can be set in the open air. Compared with reinforced concrete filter, it has small self weight and can use asphalt sand flexible foundation.

钢制无阀过滤器系很适用在地表水净化（如大中小型景观水、人工河湖、喷泉瀑布等循环水的过滤）；地下水除铁除猛；旁流水旁流过滤；生产废水去除悬浮杂质；有机污水经生化处理、二次沉淀池处理之后的后续过滤，以及室内游泳池水的过滤。

The steel valveless filter system is very suitable for surface water purification (such as large and medium-sized landscape water, artificial rivers and lakes, fountains and waterfalls, etc.); Removal of iron and iron from groundwater; By pass water by pass filtration; Removal of suspended impurities from production wastewater; After biochemical treatment and secondary sedimentation tank treatment, the organic wastewater is filtered, and the indoor swimming pool water is filtered.

重力式无阀过滤器用途：

Application of gravity valveless filter:

1、用于石油、化工、冶金、电力、炼油、轻工、纺织等工业循环冷却水的旁滤处理。

1. It is used for side filtration treatment of circulating cooling water in petroleum, chemical, metallurgy, electric power, oil refining, light industry, textile and other industries.

2、用于地表水净化、地下水除铁除锰。

2. It is used for surface water purification, groundwater iron and manganese removal.

3、用于城市、乡镇自来水厂的过滤处理。

3. It is used for filtration treatment in urban and township waterworks.

4、用于软化、除盐处理的前处理。

4. It is used for pretreatment of softening and desalting.

5、用于游泳池、喷泉水景的净化处理。

5. It is used for purifying water features of swimming pools and fountains.

6、用于生产废水去除悬浮物，有机污水经生化处理，二次沉淀池处理后续过滤等。

6. It is used to remove suspended solids from production wastewater, biochemical treatment of organic wastewater, secondary sedimentation tank treatment and subsequent filtration.