Do you have dual check valves?

YES!

We offer the GLEN-FLO Model GF8080E/GF8080S6 by Flomatic dual check valve/backflow preventers. Which are ASSE® 1024 listed.

https://www.flomatic.com/valves/backflow-preventers/dual-check/gf8080e/

https://www.flomatic.com/valves/backflow-preventers/dual-check-stainless-steel/

We can also supply a continuous pressure backflow preventer with an intermediate atmospheric vent with double union ends. Which complies with ASSE 1012. However, it is NOT FOR POTABLE WATER!

https://www.flomatic.com/valves/backflow-preventers/dual-check-atmospheric-vent/gf8200/

Additional Resources

https://iapmonline.org/2022/01/04/the-beginners-guide-to-backflow-prevention-and-cross-connection-control/

https://www.wcsawwa.net/index.php/cross-connection-control/faqs

https://www.awwa.org/portals/0/files/publications/documents/m14lookinside.pdf