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Filter Elements · ASME B1.20.1 thread sizes · Application guide

What Is Pump Foot Valve & Suction Strainer Used For?

A stainless steel perforated pump foot valve suction strainer attached to the end of a suction hose at the edge of a pond

Pump Foot Valve & Suction Strainer is selected when an assembly or process calls for keeping stones, leaves and debris out of pump suction lines at the inlet end, often combined with a foot valve that holds the prime. This application guide to the ASME B1.20.1 thread sizes type covers concrete end-uses, the specification checklist, correct installation, and where an alternative mesh or filter medium performs better.

Typical Applications for Pump Foot Valve & Suction Strainer

Where Pump Foot Valve & Suction Strainer is specified and bought:

  • Irrigation & agriculture: pond, river and tank suction.
  • Fire & dewatering pumps: suction strainers.
  • Wells: foot valve strainers.
  • Marine & industrial: tank suction lines.

How to Specify Pump Foot Valve & Suction Strainer for Your Application

  • Pipe size: 1–4 in thread or flange.
  • Open area: At least 3× the pipe area to avoid cavitation.
  • Holes: 4–6 mm perforation to stop stones and debris.
  • Standard: Quote ASME B1.20.1 thread sizes and the size designation from the table on the product page, plus any value you changed in the technical drawing.

Handling & Installation Practice

  • Keep the strainer above the bottom silt and below the lowest water level.
  • Inspect regularly for blockage and weed wrap.

Common Selection Mistakes with Pump Foot Valve & Suction Strainer

  • Undersized strainer causing cavitation.
  • Lying the strainer in mud.

Where Pump Foot Valve & Suction Strainer Is Not the Right Choice

Not a fine filter for drip systems.

If This Construction Is Not the Right Fit

Closely related mesh types for the same duty — compare open area, aperture range and cleanability before you commit.

Paint Strainer & Spray Gun Filter ScreenPaint Strainer & Spray Gun Filter ScreenSpray equipment fittingsIrrigation Screen Filter ElementIrrigation Screen Filter ElementISO 9912-2 / ASABE S539Basket Strainer Replacement BasketBasket Strainer Replacement BasketASME B16.5 strainer bodiesHydraulic Filler Breather Strainer BasketHydraulic Filler Breather Strainer BasketISO 4406 tank breathers

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

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Set the size and options in the drawing above, then send the exact configuration straight to this form.

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Specification
Business Information

Dimensions & Specifications (ASME B1.20.1 thread sizes)

SizeBasket diameter (mm)Depth (mm)Hole diameter (mm)Open area ratio (%)
1 in60704.0300
2 in951105.0300
3 in1351506.0250
4 in1701906.0250

Frequently Asked Questions

What is Pump Foot Valve & Suction Strainer used for?

Keeping stones, leaves and debris out of pump suction lines at the inlet end, often combined with a foot valve that holds the prime.

What is a foot valve strainer?

A suction strainer with a check valve that keeps the pump primed.

Open area?

At least 3× pipe area.

Material?

Stainless steel lasts longest.

Can I get a quote for Pump Foot Valve & Suction Strainer to my own drawing?

Yes. Set the size and any custom value in the technical drawing on the product page and send it with the quote form; we reply within one business day.