Duplex Strainers/Filters

Duplex Strainers/Filters


Duplex Strainers/Filter consist of two filters connected in parallel through a changeover device which consists of two balls housed in one housing, for operation with a single handle. Harsha Filters are authorised duplex strainers manufacturer and duplex basket strainers manufacturer.

  • Type: Duplex Strainers / Filters
  • Construction: Close grain cast iron, bronze, cast steel, stainless steel and fabricated construction
  • Connections: Flanged, screwed, S.W ends flanges in DIN, ASA or to customer's specifications
  • Pressure Range: 150#, 300# and above
  • Sizes Range: NB 15 to NB 500 and above
  • Element/Screen: Stainless Steel, Brass, Monel from coarse say 8 mm to as fine as 0.5 micron
  • Accessories: Magnetic element, differential pressure indicator/switch, steam jacketing, collessel filter element, back washing, and zinc anodes

  • Inlet and outlet at the same level and in opposite direction. Therefore the filter as such can be installed in existing pipeline
  • Side bodies (filter housings) are flange mounted with our unique double ball changeover device and can be made to any size to increase filtration area and debris collection volume
  • Leak proof design with bubble tight sealing as in the case of ball valves
  • Easily replaceable PTFE seats of balls
  • Low pressure drop and easy to install

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