OPW 71SO-4000 (1)

Overfill prevention valve

Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positive shut-off of product delivery.


  • It is a two-stage shut-off valve.
  • Reduces the flow rate to approximately 5 gpm through a bypass valve.
  • Simple, Easy, Quick Installation
  • Furnished Complete – Supplied with new upper and lower drop tubes, mounting hardware and thorough instructions for a quick job site time.
  • Completely Automatic Operation
  • No Pressurization of the Tank
  • Will Accept a Dipstick for Gauging.
  • Retrofits Directly – For both ne w and existing tanks with 3″ or 4″ fill risers.
  • Quick Drain Feature – Automatically drains hose when head pressure is relieved.
  • Best flow rate in the industry

Supplier: OPW

For More Information

Contact Us
/ Valves


Comments are closed.