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Model 52 Large Duplex Basket Strainer

The Eaton Butterfly Valve Type Model 52 Large Duplex Basket Strainer has a special design perfect for large size pipelines with high flow rates. Flow is switched from one basket chamber to the other by a pair of synchronized, high quality butterfly valves. The flow enters the basket from the side, instead of the top which creates a straight-through flow pattern, which results in a very low-pressure loss.

This design also uses a unique basket that creates a larger screening area using convoluting (pleating) the perforated sheet in the strainer basket, which increases the surface area while reducing the total basket size. This means a lower pressure drop and more time in between basket cleanings, saving on time and operating costs.

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DownloadModel 52 Large Duplex Basket Strainer IOMModel 52 Large Duplex Basket Strainer


  • Continuous flow – no shutdown for basket cleaning
  • Compact butterfly valve design
  • Quick opening covers
  • Convoluted-design baskets
  • Threaded drain
  • Perforated or mesh stainless steel baskets
  • Vent
  • Positive shutoff


  • Ductile iron construction
  • Basket perforations from 1/32˝ to 1/2˝
  • Basket mesh 20 or 40
  • Monel baskets
  • Vent valves
  • Drain valves
  • 1/4˝ NPT taps
  • Pressure differential gauge and switch connections
  • Magnetic basket inserts

Related Products: Model 53 Ball Type Duplex Basket Strainer, Model 50 Plug Type Duplex Strainer, Fil-Trek Duplex Strainer SBODV Series, Fil-Trek Duplex Strainer - SBIDV Series,

Available Sizes and Options

ModelSizeMaterialEnd ConnectionSealPressure Rating
SD05210410"Cast IronFlanged 125#Buna-N200 psi @ 100°F
SD05210610"BronzeFlanged 125#Buna-N200 psi @ 100°F
SD05211710"Ductile IronFlanged 150#Buna-N200 psi @ 100°F
SD05210312"Cast IronFlanged 125#Buna-N200 psi @ 100°F
SD05211212" - Handwheel on InletCast IronFlanged 125#Buna-N200 psi @ 100°F
SD05210512"BronzeFlanged 125#Buna-N200 psi @ 100°F
SD05211812"Ductile IronFlanged 150#Buna-N150 psi @ 100°F
SD05210214"Cast IronFlanged 125#Buna-N150 psi @ 100°F
SD05211114" - Handwheel on InletCast IronFlanged 125#Buna-N150 psi @ 100°F
SD05210914"BronzeFlanged 125#Buna-N150 psi @ 100°F
SD05211614"Ductile IronFlanged 150#Buna-N150 psi @ 100°F
SD05210116"Cast IronFlanged 125#Buna-N150 psi @ 100°F
SD05211516"Ductile IronFlanged 150#Buna-N150 psi @ 100°F
SD05210718"Cast IronFlanged 125#Buna-N150 psi @ 100°F
SD05211018"Ductile IronFlanged 125#Buna-N150 psi @ 100°F

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