Self Cleaning Strainer /
Auxiliary Filter

Many Industrial applications in Power, Oil & Gas, and Air Conditioning plants will have various types of Heat Exchangers to transfer the heat between two or more fluids. Usually, Cooling (Sea / River) water is used as a transfer medium to exchange heat from liquid to liquid. This Cooling water may carry huge dirt particles which will most likely settle in the heat exchanger tubes, pumps, pipes, and nozzles, resulting in a continuous limitation in the efficiency of the Cooling Systems. We GEA BGR recommend installing a Self-Cleaning Strainer /Automatic Filter to protect the cooling system, which will improve the overall plant's efficiency.

The Self-Cleaning Strainer in the Auxiliary Cooling Water (ACW) Line is important filtering equipment for removing smaller particles. The Self-Cleaning Strainer is devised as a secondary / Tertiary filtering system along with the traveling band screens.

Design Features

The design and construction of the Self-Cleaning Strainer are based on the Cooling water flow, type, size, and quantity of the debris in the Cooling Water Inlet.

  • Filter Type: Conical / Wedge Wire
  • Design standards: ASME / DIN / BS / EN / JIS
  • Installation Position: Horizontal / Vertical / as per plant requirement.
  • Self Cleaning Filter Size: Ranging from DN 200- DN 1200 mm
  • Filter Screen Perforation: Ranging from 100Micron - 10 mm

Materials

  • Debris Filter Shell: - Carbon Steel, Stainless Steel, Cupro Nickel, Duplex SS
  • Internals: SS 316 L, SS 317 LN, Cupro Nickel, Duplex / Super Duplex steel
  • Self-Cleaning Strainer shell and the internal materials can be provided according to the requirements, suitable for the circulating water.

Benefits

  • Prevents Macro-fouling of the Heat Exchanger Tubes and Plates.
  • Automatic flushing cycle (1-3 Minutes)
  • Capable of retrofitting any existing layout with minimum modifications. Elbow, O type debris filters can be provided
  • Easy Maintainability with external gear train provision
  • Enhances the Heat Exchanger Reliability by reducing the operational cost
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