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Model YS Y Strainers made of PVC, CPVC and Clear PVC

Flanged PVC Y StrainerY strainers are designed for protecting equipment downstream from particulate generated from an upset condition or circumstance where the particulate concentration is very low because the straining ratio is only 2:1. We've written an article explaining the key differences between Y and simplex (basket) style strainers which will describe the design limitations of Y strainers in more detail. 

YS Y Strainer ScreenOur Y strainers are available in PVC, CPVC and
Clear PVC materials and can be installed horizontally or vertically if the flow is downwards.  The hex chamber cap is easily removed to access the screen for cleaning or replacement.

In addition to the traditional one-piece Y strainer, they are also available with a true-union connection design.  The true-union design simplifies installation as well as enabling strainer replacement without cutting and replacing piping; perhaps especially useful for socket glued piping connections.  We have a webpage which describes true-union connections.

The only elastomers used are captured o-rings for the screen sealing and, for the true-union design, the true-union connectors.  The o-ring materials are either EPDM or FKM.

The standard strainer screen has 1/32" perforations and is made from the same material as the strainer body.  Additional perforations are available and may be substituted for no additional cost.  It is also possible to order stainless steel screens and mesh lined screens for an additional cost.

One frequently asked question is: Are the strainers schedule 40 or 80?  The answer is "neither" because that terminology is used to describe the uniform wall thickness of piping and since these are molded products having varying wall thicknesses, they cannot have a specific "schedule" assigned to them.  What you need to refer to is the rated pressure by temperature chart to make sure that your application falls within the limits of the strainer material chosen.  Each Y strainer page has links to the catalog pages and the pressure/temperature chart.

Other significant aspects to consider include:
Never use plastic strainers for compressible fluids such as air or nitrogen. 
The maximum fluid velocity should not exceed 5-8 FPS and our sizing calculators use 5 FPS as the design standard.
It's critical to review your pressure limitations for your fluid temperature and reduce potential Water Hammer situation accordingly. 

Plastic Y strainers are used for liquids or environments that are aggressive to alloy strainers and are designed to be installed within non-alloy piping systems. If you intend to install a plastic strainer within an alloy piping system it is recommended that you install at least 10 pipe diameters of plastic piping upstream and downstream of the strainer to help account for differences in thermal expansion rates of metal and plastic, transmittal of pipe vibration and loading forces.  Connecting plastic strainers directly with metal piping can potentially damage the strainer.

When in-doubt, simply call us or better yet, fill-out our application based inquiry form and we'll assist you with the proper selection.