LFM118-3

Non-Surge Check Valve for 4 & Smaller

  • Controls pipeline surges caused by flow reversal
  • Adjustable opening and closing rates
  • Body and cover are constructed of strong and durable ductile iron (ASTM A536)
  • Non-surge for 4″ and smaller

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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