TOP-FLO® Stainless Steel Sanitary Ball Check Valves

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TOP-FLO® sanitary ball check valves are used to prevent the backflow of fluid in sanitary systems and to minimize pressure drop across the valve. The vertical installation orientation of TOP-FLO® ball check valves utilizes the fluid head pressure behind the ball when there is zero flow and the valve is in the closed position to ensure positive shut off across the elastomer seat. Our stainless steel ball check valves are another way Steel & O’Brien makes sanitary simple for our customers. These stainless ball check valves are used in a wide range of sanitary applications.


  • 3-A Certified
  • Replaceable elastomer seat due to 2-piece design
  • Suitable for both process and CIP fluids
  • Wetted construction in 316L material
  • Standard size seat & body clamp

Tech Specs


End Connections: Clamp

Seat & Seal Material: FDA FKM (Standard), FDA EPDM (Optional)

Ball Material: FDA Virgin PTFE

Surface Finish: ID:  25-30Ra, OD:  32Ra

Maximum Operating Pressure: 150 PSIG

Operating Temperature: 30° F Min., 200° F Max.

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