Product features:


1. Reliable backflow prevention


2. Minimum bottom clearance required


3. 100% elastomer structure requires no maintenance


4. Will not corrode, twist or freeze open or close


5. 1 "-2" rupture pressure, low head loss


6. The curved beak strengthens the seal around the fragment


7. Customized for each application based on pressure and flow conditions


8. Diameter from 4 "(100mm) to 102" (2550mm)