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KS Series ANSI 150/300 Class

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KS Series ANSI 150/300 Class

The KS Series ANSI 150/300 Class, simplex basket strainers in cast 316 stainless steel or carbon steel, are in-line T-strainer housings and are commonly installed into pipeline systems to remove debris from the pipeline flow. Basket strainers are commonly used in pipelines where debris loading is high and the collection of solids is required. Straining is achieved by using a perforated or mesh lined straining basket, inside the strainer housing. It is important to note that the proper size of a basket strainer is determined by its job function, not by the size of the pipeline.

These ANSI class 150 or 300 strainers are available with NPT threaded or flanged (RF) end connections, with inlet & outlet sizes available from 3/8 to 8 inches. NPT connections can also be rated for ANSI 300 class service. Housings come equipped with a standard 1/16″ perforated 304 stainless steel basket and 1/4” NPT vent. The KS series, simplex basket strainer, with its large body and sizeable basket, can store large amounts of debris which increases the time between servicing. Housings have a machined seat with oring that allows fine filtration, down to 40 microns, by preventing debris bypass.

Typical applications include: petroleum, oil and gas, water and wastewater, pulp and paper, chemical and petrochemical, transportation, marine, and food industries.


  • Cast carbon steel or 316 stainless steel construction
  • ANSI class 300 rating with NPT connections
  • ANSI class 150 Rating with NPT or flanged connections
  • 304 non-asbestos flat closure gasket as standard (Other materials available)
  • Viton or Buna basket seat o-ring
  • Bolted flange closure standard
  • 1/4 inch NPT vent with plug
  • 304 SS perforated basket included as standard
  • Variety of basket material, perforation and mesh sizes