Taco Suction Diffuser Rear Strainer Pullout (SD Series – RSP)

  • The Taco RSP Suction Diffuser directs and straightens flow entering the pump while filtering debris. Its integrated elbow design eliminates the requirement for ten pipe diameters of straight suction piping. A removable rear cover provides access to the permanent strainer, while a disposable start-up strainer captures debris during commissioning.
  • Connection sizes: 1½–16 inches, depending on model; flanged connections with optional grooved adapters.
  • Flow range: 20–10,000 GPM.
  • Working pressure: 175 PSI for Class 125 flanged units; 300 PSI for Class 250 units, subject to pressure–temperature ratings.
  • Operating temperature: Up to 250°F (121°C).
  • Construction: Ductile iron body, cover and integral straightening vanes.
  • Strainers: Permanent 304 stainless steel strainer and disposable 16-mesh bronze start-up strainer.
  • Seal: Reusable EPDM cover O-ring.
  • Service provisions: Metering port, blowdown port and removable rear service cover.
  • Optional magnetic insert: Captures small metallic particles.
  • Saves installation space and reduces piping and fitting requirements.
  • Promotes uniform flow into the pump.
  • Oversized body minimizes pressure loss.
  • Captures debris to support reliable system operation.
  • Simplifies strainer maintenance and sediment removal.
  • Enables monitoring of system conditions.
  • Suction-side installation on base-mounted single-suction pumps.
  • Suction-side installation on vertical in-line pumps.
  • ANSI B16.1 Class 125 and Class 250 pressure–temperature ratings.
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