EFR Series Automatic Filter (EFR filter for short) consists of several standard disc filter units. EFR filter works automatically. The EFR filter is the economic and reliable self-cleaning water filtration solution. By controlling the patented back-flushing valves, EFR filter back-flushes one filter unit with the filtrate from other units. All units are flushed one by one clean.

With several patented technologies, the EFR filter works much safer, more efficient and saves water when back-flushing. With new disc stack design without spring, it requires very working pressure (0.2Mpa). The unique built-in duckbill valve ensures the maximum water flowing capacity during filtering and delivers high reverse flow check valve performance while back-flushing. It is easy to open the filter unit with self-locking buckle and specially designed seal ring. Every unit has the working indicator and vents automatically, which prevents water hammer damage and improves back-flushing performance. The EFR filter also has the special anti-corrosion design with good sea water chemical resistance.

Applicable Typical Industries and Liquids,

1. Applicable industries: water treatment systems, circulating cooling systems, steel, pulp and paper, mining, petrochemical, metal working, municipal facilities, etc.
2. Typical applicable liquid: groundwater, seawater, lake water, reservoir water, pond water, cooling water, child water, spraying water, injection water, heat exchanging water, seal water, bearing cooling water, well water, circulating process water, machining coolant, cleaning agent, cleaning water.
3. Filtration function: Remove large particles, pre-filtering, purify liquids, protect key equipment.
4. Filtration Type: Modular back-flushing filtration, automatic continuous on-line filtration.

Main Specification:

Number of Filter Unit: 3-22

Filter Element: Plastic Disc Stack Screen

Ratings (um): 50/100/200

Filter Module Type: C type and K type

Filter Unit Material: reinforced plastic

Pipeline Material: 304/316L/CS

Temperature: 60 degree

Design Pressure(MPa): 0.8

Cleaning Start Mode: Time or Pressure Drop