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791FA

Class 125 Ball-Plex Cast Iron Flanged End Duplex Strainers

  • Sizes 3⁄4 in. – 6 in. (20 – 150 mm)
  • Cast Iron body and 304 Stainless Steel basket designed to ensure minimum pressure drop
  • Designed for fluid handling applications where flow cannot be shut down for basket cleaning
  • Typical services include cooling water, compressors, condensers, fire lines, fuel lines, lubrication systems, salt and fresh water systems, chemical process systems, pump suction service, and more

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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA