Description

Product recirculation from pump discharge through a Y strainer and a flow control orifice to seal chamber.

Features

  1. Becomes a self-venting plan for horizontal pumps.
  2. Can handle dirty liquids to some extent.

Use

  1. In general used in slightly dirty and non-polymerizing fluids.

Caution

  1. Always ensure that orifice is placed after the Y strainer.
  2. This plan is normally discouraged due to unreliability of Y strainer.
  3. Calculation of recirculation is required.