2. Low cracking pressure. Drainage under low head.
3. Minimal headloss allows greater flow, saves pumping costs.
4. Headloss can be customized to meet customer needs.
5. Low installation cost, just slip it on or flange.
6. Maintenance costs reduced.
a. No parts to lubricate or replace.
b. Nothing to freeze or corrode.
c. No structure to come loose.
7. Cannot be propped open.
a. Tamper and vandal proof.
b. Children and animals cannot enter.
c. Backflow prevention assured.
8. Zero operating costs, Zero life-cycle costs.
9. Non-slamming, no noise, no vibration.
10. Absolute backflow prevention saves money.
a. Reduces flood liability.
b. Lowers re-treatment costs.
c. Helps to eliminate compliance violations.
d. Reduces beach erosion.
e. Keeps infrastructure form shutting dow
