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Red Valve THE CHECKMATE ADVANTAGEThe World’s Most Reliable Check ValveEngineering Guide

Red ValveTHE CHECKMATE ADVANTAGE The World’s Most Reliable Check ValveEngineering GuideContinuing a Legacy of Innovation, Leadership and Customer ServiceMore than 60 years ago, Red Valve Company was founded on a simplepromise: provide the highest quality engineered valves backed by anunsurpassed level of technical innovation and customer service. Withthat promise began a legacy of leadership—and a never-ending questto solve the world’s toughest flow control challenges while exceedingour customers’ expectations.As the world leader in Pinch Valve and Check Valve technology, thatlegacy lives on every day at Red Valve Company, and the innovativeCheckMate Inline Check Valve is proof. The CheckMate InlineCheck Valve is rooted in the same superior understanding of elastomertechnology as the legendary Tideflex Check Valve, one of the mostwell-known valves proven for providing reliable long-lasting backflowprevention, across the globe.Since the creation of the Tideflex Check Valve in 1984,years of research and development, testing and provenperformance has led to the globalization of the TF-2Tideflex Check Valve and the next generation Tideflex TF-1. With improved flow efficiency characteristics andthe latest technology in elastomers, Red Valve continuesto deliver on its promise of staying on the forefront oftechnology and new product development. The Tideflex name is respected and recognized around the world as themost reliable valve for backflow prevention. It is also worthnoting that the first Tideflex Check Valve sold in 1984is still in service today, with more than 700,000 Tideflex Check Valves in service around the world, reliably solvinginflow and intrusion problems.FLOWINGFULLY OPENBeing a world leader in valve technology is more than a slogan—it’s a promise, carried forward by the hundreds of dedicated RedValve employees and sales representatives around the world.Call us any time. We are ready to speak with you personally—right now.CheckMate Valve Solves City’sOdor ProblemRubber “Duck Bill” Tide Gate, the EPA states, “Increasingthe reliability and performance of tide gates has a beneficialimpact on the general pollution abatement program for thenation’s waterways.”The patented CheckMate Inline Check Valve is rooted in the samesuperior understanding of elastomer technology as the legendaryTideflex Check Valve, one of the most well-known valves in the world.A Pioneer in the Check Valve IndustryIn 1984, the United States Environmental Protection Agency (EPA)commissioned Red Valve Company to develop and test an alternativeto tide gate valves. In their report, Development and Evaluation of aIn response, Red Valve Company developed and patentedits elastomer “duckbill” Tideflex Check Valve to eliminatethe operational and maintenance problems associated withflapgate check valves, including corrosion of mechanicalparts, freezing open or shut, warping and clogging due toentrapped debris.The EPA rigorously tested the Tideflex Check Valve fortwo years and found that the valve showed, “Significantimprovement over flapgate valves in terms of leakageinflow, entrapment of debris, capability to self clean andsusceptibility to marine fouling.”FULLY CLOSEDWhen foul odors were plaguing a soybean producingtown in Illinois, officials turned to Red Valve for the mostreliable, cost-effective solution.A chemical deodorizing system and a pump stationwere also evaluated, but far exceeded budgetconstraints. The CheckMate Inline Check Valveproved to be the perfect solution.The CheckMate Inline Valve was installed in 2012 andhas worked flawlessly ever since, completely blockingthe backdraft of the odor. Best of all, there has beenzero maintenance expense. According to a publicworks official, “This is one of the most cost-effectivesolutions to a nagging quality of life problem the Cityhas ever implemented. We are now looking at otherparts of the combined sewer system that has a fewsmall odor problems due to escaping sewer gas.”For an animated demonstration of the CheckMate inoperation, please visit: http://www.tideflex.com/checkmate

Red ValveTHE CHECKMATE ADVANTAGE The World’s Most Reliable Check ValveEngineering GuideThere Is Only One CheckMate Inline Valve! Multiple layers of elastomer and fabricreinforcing plies are vulcanized into asingle unibody construction; no rivets orconnections to weaken and break.Entire valve body is wire-reinforced forstrength and durability.CuffEvery CheckMate Valve is reinforced with avariety of ply options depending on size andprocess conditions. Plies include a wide rangeof natural and synthetic rubbers and fabrics aswell as proprietary elastomers such as EPDM,SBR, Neo-Nylon, Butyl Polyester, Balsalt, Vitonand others.Extraction hole facilitates removalof the valve from the pipeline.Saddle area is reinforced with avariety of natural and syntheticrubbers, in addition to proprietaryelastomers and fabrics.Red Valve’s legendary elastomer technology and knowledge is thereal story behind the CheckMate Valve’s unrivaled performance.Every CheckMate Valve is reinforced with various natural andsynthetic plies, specifically engineered for your specific application.Bill(sealing area)ClampThe CheckMate Inline Check Valve: Accept No Substitutes!The innovative CheckMate Inline Check Valve has quicklybecome the specified choice for inline residential, municipaland commercial areas where complete, dependable backflowprevention is critical. It has also become the valve of choicefor municipal and industrial applications such as storm water,wastewater, highway runoff, CSO, SSO and flood control bypreventing unwanted backflow that can cause surges andflooding. The CheckMate Inline Check Valve minimizesdamage to wetlands, beaches and residential areas andeliminates hydraulic surges to wastewater treatment plants,saving municipalities millions of dollars in maintenance andtreatment costs.One of the keys to the CheckMate Valve’s exceptionaldependability and longevity is Red Valve’s unmatchedelastomer experience—experience, application knowledge andengineering know-how. Every CheckMate Inline Check Valve ishand-fabricated, made of multiple layers of varying natural andsynthetic elastomers, wire and fabric-reinforced plies, all ofwhich are vulcanized into a robust unibody valve. Unlikecompeting designs, there are no molded parts or mechanicalfasteners and rivets that will loosen, act as catch points,break or corrode—ever. The key to CheckMate Valve’slongevity, performance and low headloss characteristics isthe design and construction.CheckMate Inline Check Valves use state-of-the-art elastomersand fabric technology with no metal hinges, rivets, fasteners ormoving parts. The valve’s unibody construction is ideally suited forCSO and diversion chamber applications and installed inside thepipeline on either the upstream or downstream side of a diversionchamber.

Red ValveTHE CHECKMATE ADVANTAGE The World’s Most Reliable Check ValveEngineering GuideIntroducing UltraFlex : the NextGeneration in CheckMateTechnology!UltraFlex Boasts 40% Lower “Snap Pressure” Snap PressureClampOriginal CheckMate UltraFlex 40% Less HeadlossEntire valve is vulcanized into a singleunibody construction; no rivets orconnections to weaken and break.Saddle area features strategically placedreinforcing ribs and segmented padscustomized for each application.The “Arc Notch” in theUltraFlex Valve’s bill functionsas a hinge, greatly reducingthe forces required to unseatthe valve. This patented designachieves a very low snapopen pressure.The new CheckMate UltraFlex Valve boasts a 40% lower snap pressurerequirement to open or unseat the valve, without compromising thevalve’s ability to seal. This greatly improves capacity in pipelines andthe rapid drainage of upstream flow through the valve. With its patented“Arc Notch” design, the CheckMate UltraFlex Inline Check Valve boastsa significantly improved flow efficiency, due to reduced head pressurelevels required to “snap” open the valve.When upstream head reaches50-75% of pipe diameter (forexample, 9” head in a 12” valve),the UltraFlex bill “snaps” openinto a concave shape, allowingsubstantially more flow withthe same amount of head. Thevalve will progressively open withincreased head and flow. Pictureshows moment when the valve“snaps” open.Patent PendingUnmatched Elastomer Research, Innovation and KnowledgeThe patented CheckMate UltraFlex Inline Check Valvefeatures drastically improved hydraulic and performancecharacteristics to its predecessor, the original CheckMate Check Valve. Strategically placed reinforcing ribs, segmentedpads and the “Arc Notch” bill combine to significantly improveflow efficiency with significantly reduced headloss, whileproviding absolute backflow protection.Once upstream head pressure reaches a specific level,CheckMate Inline Check Valves are designed to “snap” or “pop”open, allowing the rapid discharge of flow. The new UltraFlex ,with its patented “Arc Notch” and optimized construction, allowsthe next generation CheckMate Valve to open 40% sooner. As aresult, the pipeline and entire collection system drains up to 40%faster. Because the UltraFlex Valve “snaps” or “pops” open withless head pressure, pipeline capacity is significantly increasedwhile the chance for standing water to collect upstream of thevalve is totally eliminated.Strategically placed reinforcing ribs, segmented padsand the bill’s unique “Arc Notch” combine to significantlyimprove flow efficiency with significantly reduced headlosswhile providing absolute backflow protection.The CheckMate Valve willcrack open and flow with aslittle as 1” of head pressure.Once the CheckMate Valve“snaps” open, it achieves rapiddischarge of flow.

Red ValveTHE CHECKMATE ADVANTAGE The World’s Most Reliable Check ValveEngineering GuideIndependently Tested, Field ValidatedThousands of CheckMate Inline Check Valves are currently inservice around the globe.Features and Benefits of CheckMate Extremely Low Headloss No Moving Mechanical Parts to Corrode, Catch Debris or Fail Heavy Duty Elastomer Unibody Construction Quick and Easy Installation Seals Around Debris Operates on Differential Pressure, Totally Passive Virtually No Maintenance Self-draining, 1” of Cracking Pressure Silent, Non-slamming Available in Sizes 3” (75 mm) to 84” (2100 mm) Extensive Independent Hydraulic TestingIndependent Hydraulic TestingCheckMate Inline Check Valves are independently testedto determine their hydraulic characteristics in both free andsubmerged discharge applications. Published hydraulic data isvalidated through this independent testing, and Finite ElementAnalysis data is also provided to ensure the CheckMate Valvemeets your exact specifications. CheckMate Valves are ideallysuited for interceptor, manhole and outfall pipelines becausethey allow flow to discharge with very little headloss and preventbackflow. The CheckMate Valve’s innovative inline designallows it to be easily installed without modifications to existingstructures, making it the perfect choice for both municipalitiesand commercial property owners.To supplement independent hydraulic testing, Red Valve continuallyconducts research and development and additional in-house testingto improve existing products and develop new products.CheckMate Valves are ideally suited for interceptor, manholeand outfall pipelines, because they maximize pipeline storageand capacity while preventing backflow into upstream pipelines,collection systems and sewage treatment plants.