Red Valve's Series 53 CSO Weirflex® creates an adjustable weir for stormwater control in combined sewer systems. The unit is a variation on the company's pinch valve principal.

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Adjustable weir

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Red Valve's Series 53 CSO Weirflex® creates an adjustable weir for stormwater control in combined sewer systems. The unit is a variation on the company's pinch valve principal. Instead of closing on centerline, the Weirflex closes from the bottom only. This creates a weir that can be used to retain stormwater in the sewer line. This allows the treatment plant operator to maximize existing stormwater storage within the lines while preventing the treatment plant from being overburdened by a stormwater surge.

Red Valve Co. Inc.
Carnegie, PA
Tel: 412-279-0044

Tablet chlorination

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The PowerPro™ chlorination unit by PPG Industries incorporates the patented Accu-Tab chlorinator (model shown with automated controller and weigh scale options). The system consists of 3-inch calcium hypochlorite tablets with 65 percent available chlorine and patented erosion chlorinators. Long-term reliability makes it an affordable option to chlorine gas cylinders and sodium hypochlorite (liquid bleach) for sanitizing water systems.

PPG Industries, Inc.
Pittsburgh, PA
Tel: 800-245-2974

Chemical pump

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World Chemical's GW Series heavy-duty submersible magnetic-drive centrifugal pumps provide total non-metallic wetted parts and seal-less pump & motor design for continuous duty with wastewater, strong acids, bases, and chemicals that foam. These pumps are constructed with CFR polypropylene thermoplastics; bushings in high purity ceramic & PTFE; with SiC pump shaft.

Seal-Less Solutions L.L.C.
Exton, PA
Tel: 717-626-9694

Trash pumps

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Thompson's wet prime open trash sewage TS series pumps are designed for remote operation. With its large pump housing, volute and impeller, the TS can process a high proportion of solids and/or air in the fluid in a short amount of time. Available in sizes ranging from 4''-8'', the pumps are well suited for deep excavation and ground watering dewatering as well as pumping polluted or corrosive wastewater. Thompson Pump & Manufacturing

Port Orange, FL
Tel: 800-767-7310

Catch basins

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Capture Flow, a new three-stage filtering catch basin introduced by Carson Industries, is a structural Best Management Practice (BMP) for treating stormwater runoff. The filtering system removes 92 percent of the solid particles transported by typical stormwater at an average flow condition. Stormwater is first filtered through a stainless steel basket that traps floatables, debris and trash.

Carson Industries
Glendora, CA
Tel: 909-592-6272

Submersible flowmeter

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Controlotron's System 1010WP StormMeter is the latest in a line of clamp-on flowmeters offered by the company. Available in submersible configurations, the meter services virtually all-full pipe applications including temporary measurements during storm events. Options include a pipewall thickness gauge, dual channel or dual path operation and Reflexor™ mode for liquids with heavy suspended solids or aeration.

Controlotron Corp.
Hauppauge, NY
Tel: 631-231-3600

Stormwater pumps

In discharge sizes from 2" to 24" diameter, with flows from 500 to 18,000 gpm, Crisafulli Vertical pumps for stormwater are available in direct-driven, belt-driven or gearbox versions. For municipalities which experience power outages during storm events, pumps can be equipped with dual drive (Electric/PTO) to assure they are powered and online during storms. The customer specifies pump length, discharge type, and materials of construction. For severe duty, the company manufactures in abrasion-resistant (400 Brinell hardness) steel. Rubber coating of the pump volute is available for extreme service applications.

SRS Crisafulli, Inc.
Glendive, MT
Tel: 800-442-7867

Tertiary filters

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Each Leopold tertiary filter is designed to achieve the specific performance requirements of individual wastewater treatment plants. The company's systems knowledge is based on more than 70 years of experience treating wastewater around the world. More than 200 of the company's tertiary filter systems are installed throughout the U.S. and abroad. The company's manufacturing facility provides all components for a complete tertiary treatment system including Universal® Type S® or Type SL® underdrains, Engineered Filter Media® products, fiberglass products and filter controls.

F.B. Leopold Company, Inc.
Zelienople, PA
Tel: 724-452-6300


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Severn Trent Services' filtration division offers the Tetra™ line of deep-bed filtration products including air and water backwash features. It provides filtration plant equipment and service for water and wastewater plants, filter underdrains, air distribution systems, troughs, weirs, media, anthracite, garnet, and installation and removal services. It also has pressure filters, biodenitrification filters, ammonia and BOD removal filters, ion exchange and arsenic removal equipment, and instrumentation and control packages for these systems.

Severn Trent Services
Pittsburgh, PA
Tel: 800-364-1600

Raked bar screens

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CDS Technologies now offers Raked Bar Screens designed for screening CSO discharges to any receiving waters. The screen, which is continually raked by a hydraulically driven cleaning mechanism, allows water to pass through to overflow while retaining the screenings within the continuation flow. Flow rates from two to 106 cfs can be handled with a single screen, although multiple units may be used to increase flow capacity.

CDS Technologies Inc.
Morgan Hill, CA
Tel: 888-535-7559

Aeration equipment

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Aeromix Systems offers a new exchange program on any of its aeration equipment used for wastewater treatment. Facilities that have a need to upgrade, or repair their Aeromix equipment, now have an option of exchanging their equipment for a factory-remanufactured product for 1/2 the price of a typical new system. The company stocks a full line of remanufactured aeration equipment that comes with a 180 day warranty, and can be shipped within days after receipt of an order.

Aeromix Systems, Inc.
Minneapolis, MN
Tel: 800-879-3677

Oil/Water separator

Jay R. Smith is a manufacturer of oil/water separators and wash-water recycle systems. The Ultracept® Oil-Water Separator separates oil, grease and other hydrocarbons from wastewater in situations where these contaminants will come into suspension. The modular unit is fabricated in stainless or mild steel with Bitumastic coating.

Jay R. Smith Mfg. Co.
Montgomery, AL
Tel: 334-277-8520

Decanting centrifuge

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USFilter Dewatering Systems offers a horizontal decanting centrifuge for dewatering and thickening biosolids continuously. The automatic centrifuge control system, ACCS, allows the operator to "fine tune" the high g-force centrifuge system to deliver optimum performance. The centrifuge is part of the company's extensive range of dewatering technologies.

USFilter Dewatering Systems
Holland, MI
Tel: 800-245-3006

Headworks screens

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The Finescreen Monster, part of JWC's new Monster Separation System, captures more solids and provides high open area to maximize hydraulic performance of headworks. A two stage cleaning process with modular brushing system and wash water jets ensures the screen stays free flowing and clean. Screens are 6mm or 3mm. The integrated Screenings Washer Monster® (SWM) conditions captured screenings through a unique grinding, washing, screening and compacting process that washes out fecal material for cleaner and drier screenings.

JWC Environmental
Costa Mesa, CA
Tel: 800-331-2277

Flood software

Wallingford Software has launched the latest version of FloodWorks, Version 3.0, which for the first time brings full real-time decision support to flood control rooms. Designed for use during flood forecasting, flood monitoring and flood control situations, the software provides this decision support through hydrological and hydrodynamic modeling. This modeling capability allows managers and engineers to carry out simulation of the key elements of the future behavior of river, channel and coastal systems to support mobilization of emergency responses and provision of public flood warnings.

Wallingford Software, Inc.
Fort Worth, TX
Tel: 888-520-2224

Aeration, mixing

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A new concept in mixing and simultaneous aeration of all types of liquids has been introduced by ITT Flygt. Designated as Flo-Get, the systems incorporate a Flygt submersible pump, an air suction tube, and an ejector/diffuser nozzle. The system is versatile since one or more submersible pumps can be used with one or more ejectors. Pumps of different power and hydraulic performance can be connected to ejectors of different flow capacities to meet most system requirements.

ITT Flygt Corp.
Trumbull, CT
Tel: 203-380-4843

Epoxy lined mixer

TAH has introduced its new AL Series Epoxy Lined Mixer. The mixer delivers the strength of steel with the chemical resistance of PVC or FRP. Supplied with an abrasion resistant and chemically resistant epoxy lining, the mixer has a carbon steel housing. Flanges are RFSO, ANSI B16.5, Class 150LB. Options include 1/2" thru 2" NPT injection ports.

TAH Industries Inc.
Robbinsville, NJ
Tel: 800-257-5238

Pressure relief valve

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The Dynamic Lifter from Singer Valve is a direct-acting sewage pressure relief valve. The valve is adjusted to open when the pressure exceeds the set point. The valve closes drip tight when pressure falls below the set point. It is direct acting, fast opening, and has an adjustable slow close feature to prevent closing surges.

Singer Valve Inc.
Surrey, BC, Canada
Tel 604-594-5404

Filtration system

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AriaSM water treatment systems are specifically designed to provide advanced wastewater treatment for reuse or stringent discharge standards. The systems feature filtration modules with a hollow fiber membrane to remove turbidity; bacteria; Giardia cysts and Cryptosporidium oocysts; and iron and manganese from ground and surface waters, and secondary wastewater effluent.

Pall Corp.
Port Washington, NY
Tel: 516-801-9104

Curb markers

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das Curb Markers can be applied to just about any flat surface. They can be used to permanently identify and inventory equipment locations such as manholes, valves, meters, sampling points, etc. They are also used to mark stormwater inlets with "No Dumping" messages for public outreach and education. The markers are a permanent and environmentally friendly alternative to painted messages. Stock and custom versions are available.

das Manufacturing Inc.
Valrico, FL
Tel: 800-549-6024

Stormwater pumps

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In discharge sizes from 2" to 24" diameter, with flows from 500 to 18,000 gpm, Crisafulli Vertical pumps for stormwater are available in direct-driven, belt-driven or gearbox versions. For municipalities which experience power outages during storm events, pumps can be equipped with dual drive (Electric/PTO) to assure they are powered and online during storms. The customer specifies pump length, discharge type, and materials of construction.

SRS Crisafulli, Inc.
Glendive, MT
Tel: 800-442-7867

Scum pumping

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The Shone™ Pneumatic Ejector handles difficult air-entrained mixtures, providing an alternative to conventional pumps. The non-clog design is ideal for handling large solids, rags and other difficult materials. Unlike most other pump types, the design uses no impellers or rotating components. There are no springs, diaphragms, seals or bearings to wear out, nor any electrical devices at or near the pumped media.

Yeomans Pump
Aurora, IL
Tel: 630-236-5500

Metering pump drives

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A new integrated DC motor and controller is available for the small metering, dosing and transfer pumps from seepex. The 120 vAC powered controller provides current and internal circuitry for low-flow, run-dry and high-pressure protection devices. External electrical enclosures are not needed. Instruments are connected to the controller with standard 5-pin electrical connectors.

seepex, Inc.
Enon, OH
Tel: 800-695-3659

Fiberglass enclosures

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Vynckier Fiberglass Enclosures are designed to meet NEMA 4X applications and can withstand environmental extremes from -50'F to +300'F. The enclosures are available in a variety of sizes to meet any application.

Vynckier Enclosure Systems
Houston, TX
Tel: 888-837-1114

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