Storm Drain Check Valve

Stormwater and wastewater collection pumping stations.

Storm drain check valve.

Tideflex check valves are ideal for stormwater pump stations because they are non mechanical have low headloss do not slam and have no problem discharging flow with entrained solids. Sewer line backup prevention. The duckbill concept check valve has been in use for over 100 years in waterworks and commonly accepted for use in industrial process piping systems and in waste and storm water or sewer piping systems. Dual check valve with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply.

However the king tides in january 2005 were held in check by the installation of tideflex check valves in various low lying areas. A check valve prevents seawater from backing up into drainage infrastructure to mitigate tidal flooding while still allowing the outfall to drain stormwater as usual when the tide recedes. This document explains for homes connected to a municipal sewer we discuss how to prevent sewer or storm drain backups into a building during rain or heavy flooding including the installation and use of backflow preventers backwater valves check valves and toilet drain plugs. Dual check valve with atmospheric this 1 2 in.

It is frequently used in reservoirs tidal basins ponding basins pump stands and storm drain systems where seating heads are less than 50 feet. When townsville queensland australia experienced king tides the low lying areas were being flooded by water backing up through the storm drains. Repairs following hurricane matthew. Once a sewer check valve closes there is no place for rainwater to escape if there is no outlet.

Foremost is the tideflex check valve with several different design and installation options available that allow the valve to be installed almost anywhere. Rf db rubber flex duckbill check valve brochure. Red valve also offers pinch valves for influent flow control flood control pump stations and fish hatcheries. In the wake of hurricane matthew much of the city s storm water infrastructure was in need of repair.

This valve is designed for continuous pressure non health hazard applications in smaller supply lines such as laboratory equipment processing. If the sanitary and storm water flow are combined inside the building another issue arises.