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S118-4 Watts

Non-Surge Check Valve for 6 & larger

Series S118-4, S1118-4 Non-Surge Check Valve is designed to control pipeline surges caused by flow reversal by slowly opening and closing at separate adjustable rates.


  • Sizes: 6″ and larger
  • Lightweight Stainless Steel construction offers superior corrosion resistance for longer life
  • Simplified and efficient design is easy and economical to maintain
  • Controls pipeline surges caused by flow reversal

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific S118-4

Approval Information

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