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Stormwater & Wastewater Collection / Discharge

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Pumping Stations

  • Inline or end of pipe installations.
  • Completely passive, no maintenance.

Stormwater pump stations take advantage of Tideflex Duckbill Check Valves because they are non-mechanical, have low headloss, do not slam and have no problem discharging flow with entrained solids.  Tidefle valves save money by providing reliable backflow prevention because water does not need to to be repumped.

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Wetwell Aeration & Mixing

  • Eliminate volatile odors.
  • Prevent solids accumulation.
  • Pre-mix floating grease prior to pumping.

Eliminate odors in wetwells produced by long storage periods between pump cycles.  Tideflex's lift-out and removable assemblies provide easy access to the diffuser for inspection and removal of accumulated fiberous debris without having to shutdown the wetwell operations.  The Tideflex coarse bubble diffusers are designed with the Tideflex duckbill check valve technology which means they can be submerged in solids without clogging.  Air supply systems are set to periodically activate to keep the wastewater aerobic and fresh.  Mixing cycles prior to pump activation will re-suspend the solids and mix the floatables into a homogeneous solution ready for pumping transfer.

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Stormwater Discharge

  • Reliable backflow prevention.
  • Pumped or gravity fed outfalls.
  • Completely passive, no maintenance.

Tideflex valves protect stormwater outfalls from surcharging by providing reliable backflow prevention and maximizing upstream storage capacity due to the Tideflex valve's low cracking pressure.  Tideflex valves have saved hundreds of thousands of dollars in potential damage to homes, office buildings, and vegetation.

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CSO/SSO Systems

  • Reliable backflow prevention.
  • Completely passive, no maintenance.

Tideflex valves prevent the backflow of clean water into the overflow pipes of SSO's and CSO's. When flap gates fail, backflow occurs and treatment plants are forced to treat the clean water because it has combined with sewage. The persistent operational problems with flap gates, and resulting high maintenance costs, resulted in the US EPA issuing a grant to Red Valve Company in the early 1980's to design and develop an "All Rubber Duckbill Tide Gate" to overcome problems with flap gates. With a multi-year design, development, and observation, the EPA reported signigicant performance improvements over flap gates.

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Detention Ponds

  • Reliable backflow prevention.
  • Completely passive, no maitenance.

Detention ponds provide retention of stormwater and wastewater to prevent flooding and surcharge and often provide some level of treatment.  Tideflex valves effectively prevent backflow into these ponds from the receiving waterbody and/or from adjacent ponds maximizing stroage capacity and preventing the disruption of the treatment process.  Tideflex valves are also used in conjunction with outlet structures that "meter" flow to the receiving waterbody to prevent overloading of nutrients or contaminents.

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Site Drainage

  • Prevention of property damage.
  • Prevention of flooding.

Stormwater and tidal backflow into residential areas, office parks and commercial areas causes flooding that results in property damage, sediment accumulation in parking areas, and traffic flow disruption.  Flap gates have histroically failed to provide guaranteed backflow prevention and have caused significant damage to the property they were designed to protect.  Tideflex valves have proven to provide a maintenance free solution through guaranteed backflow prevention.  Tideflex valves have also provided access and use for land designated as 'unusable' due to flooding tendancies.

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Flood Control Systems

  • Reliable backflow prevention.
  • Completely passive, no maintenance.

Flood control systems often incorporate multiple high volume / low head pumps in order to discharge large amounts of water rapidly.  Although the differential pressure is not great, these systems are often susceptible to backflow during high tides and storm surge.  Tideflex valves are integrated into flood control systems due to their low headloss and reliable backflow performance.  These systems cannot take the risk of using rigid, flap gate technology because of their history of not sealing, corrosion problems, and tendancies to freeze open or shut closed.

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Floatables Control

  • Reliable backflow prevention.
  • Completely passive, no maintenance.

Tideflex valves are an integral component of floatables control projects because of their ability to prevent plastic bottles, cans and other material from entering rivers, lakes and streams when water backs up through the discharge lines flooding the screening devices.

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Odor Control

  • Prevent migration of nuisance odor.
  • Eliminate complaints.

Tideflex valves are used extensively to protect residential and commercial areas from the migration of odors from storm water and sewer pipes.  P-traps are not feasible in most systems and Tideflex valves have been proven to eliminate the backflow of methane and hydrogen sulfide gases which result in complaints about odor from the general public.

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Hydrostatic Pressure Relief

  • Concrete tanks and basins.
  • Geomembrane liners.

Tideflex valves have an extremely low cracking pressure and superior sealing characterisitics making them ideally suited for ground water and gas relief of concrete tanks and geomembrane liners.  Effective hydrostatic relief prevents liners from floating and prevents damage to concrete structures.  Tideflex valves are non-mechanical and will not clog, freeze or corrode.  Tideflex provides the complete pressure relief assembly with sediment sieve.  Tideflex Engineering can help size the complete hydrostatic pressure relief system for your application.

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Airport / Highway

  • Prevents flooding roads, highways, and airport runways.
  • Provides rapid discharge of runoff.

Roads, highways and airport runways that have potential for flooding are protected from backflow of stromwater to these areas by Tideflex duckbill check valves.  The low cracking pressure and low headloss characterisitcs of the Tideflex duckbill check valves ensure rapid discharge of stromwater from roadways and runways.

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Levees

  • Prevents flooding of residential and commercial areas.
  • Rapid discharge of runoff.

Drainage pipes penetrate levee embankments to allow stromwater runoff relief.  It is crucial to have the reliable backflow prevention capability of Tideflex valves to prevent flooding of residential and commercial areas when the discharge pipe becomes submerged.  Tideflex valves also have low cracking pressure and headloss so that runoff is discharged rapidly and un-constricted.

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Animal & Pest Control

  • Prevents animals from entering discharge pipes.

Mammals, varmits, rodents and birds can enter unprotected pipes due to curiosity and nesting habits.  This can result in project delays, blockage of outfall lines, and be detremental to protected species.  Tideflex valves provide a no maintenance, full proof method of preventing animal intrusion into pipes, even when backflow prevention is not a requirement.

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