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Perforated stainless steel strainer screen, silver finish, 5 5/8 inches long

Mueller Steam Specialty

Mueller Steam Specialty 11/2 581 CS Replacement Screen 5 5/8 in 304 Stainless Steel

SKU CH-KVS9-JENQ9

Perforated 304 stainless steel screen with .033 in holes and .0625 in micron rating fits 581 CS and 582 CS strainers, handling 30 gpm flow

  • Perforated 0.033 in screen filters debris effectively
  • 304 stainless steel resists corrosion in plumbing systems
  • 30 gpm flow factor supports high-capacity lines
  • Fits 11/2 581 CS and 582 CS strainers
  • Meets ASSE, CSA, FM, NSF, UL, ULC, USC, WQA standards

Replacement Screen for Mueller Steam Specialty

This perforated strainer screen is manufactured by Mueller Steam Specialty to fit 11/2 581 CS screwed-end and 11/2 582 CS socket-weld strainers. It is made from 304 stainless steel for corrosion resistance and meets ASSE, CSA, FM, NSF, UL, ULC, USC and WQA standards.

Flow and Filtration Constraints

The screen has a 0.033 inch perforation size and a 0.0625 inch micron rating to capture debris in steam or liquid lines. It supports a Cv flow factor of 30 gpm, which defines the practical flow limit through the strainer body.

Build Quality and Installation Fit

The 304 stainless steel construction withstands typical steam and water service conditions. The screen measures 5 5/8 inches in length and is designed to drop into compatible Mueller strainer bodies without modification. It is not suited for applications requiring a different perforation pattern, mesh configuration or micron rating.

Highlights

  • Perforated 0.033 in screen filters debris effectively
  • 304 stainless steel resists corrosion in plumbing systems
  • 30 gpm flow factor supports high-capacity lines
  • Fits 11/2 581 CS and 582 CS strainers
  • Meets ASSE, CSA, FM, NSF, UL, ULC, USC, WQA standards

Specifications

BrandMUELLER STEAM SPECIALTY

Questions about this item

Which screen size matches the 5 5/8 in length for my 11/2 581 CS valve?

This replacement screen is manufactured at exactly 5 5/8 in overall length to fit the 11/2 581 CS screwed-end and 11/2 582 CS socket-weld strainers listed in the compatibility data.

How does the 30 gpm Cv flow factor perform once installed?

The 30 gpm Cv rating indicates the screen assembly will pass 30 US gallons per minute of water with a 1 psi pressure drop when clean and properly seated in the matching Mueller strainer body.

What does the ASSE, CSA, FM, NSF, UL, ULC, USC, WQA listing cap in practice?

Those certifications confirm the 304 stainless steel perforated screen meets North American plumbing-product standards for material safety, pressure integrity and drinking-water contact when used in the designated strainer models.

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