Secondary filter screen

Product overview: When the cooling water mixed with impurities passes through the system, the impurities are blocked by the small hole filter screen on the upstream surface of the filter screen. The cooling water is purified into the condenser through the small hole. The backwash device in the filter screen and the blowdown valve are linked for backwashing. The water flow reverses. The debris stuck on the water inlet surface is recoiled and separated from the mesh and led out by the blowdown valve. As long as the purification filter screen works continuously, the cooling water entering the condenser always meets the requirements.
Model: We secondary filter, Fe secondary filter, EPF secondary filter, EDF secondary filter, ExF secondary filter

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Our company is a key manufacturer of power equipment, producing secondary filter screen, has more than 20 years of history. Through years of continuous design and transformation of the secondary filter screen, the structure and performance of the secondary filter screen are more perfect, and it is widely used in the cooling water filtration system of 6MW to 600MW thermal power generating units, and the application effect is well received by the majority of new and old customers.

Technical parameter table：

Model	DN400~DN2000	Nominal diameter of inlet and outlet	DN400~DN2000
Working temperature	0℃~100℃	Shell material	Q345、304、316L、1Cr18Ni9Ti
Flow rate	2.8~3.2	Filter material	304、316L、1Cr18Ni9Ti
Specification of rubber ball	φ14~φ23	Specification of sewage pipe	DN150~DN400

Secondary filter screen

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