Submerged membranes
Koch Membrane Systems offers Puron® submerged membrane modules for membrane bioreactor (MBR) treatment of municipal and industrial wastewater. These technologically advanced membrane modules significantly improve water quality, while using less space than conventional alternatives. A proprietary feature of the membrane module is the air nozzle, which discharges air from the center of each fiber bundle at the base.
Koch Membrane Systems Inc.
Wilminton, MA
Tel: 888-677-5624
Web: www.kochmembrane.com
Gravity belt thickener
Ashbrook Simon-Hartley’s Aquabelt gravity belt thickener is now available as a totally enclosed unit. This is in addition to the more traditional open design. The enclosed version retains all of the performance process features of the standard unit. The thickeners feature a sumpless design, high flows, and advanced zone approach (and no requirement for hydraulics or pneumatics).
Ashbrook Simon-Hartley
Houston, TX
Tel: 800-262-9041
Web: www.ashbrookcorp.com
Valve actuators
Rotork’s new line of quarter-turn and linear Skilmatic SI electric valve actuators provide both modulating and two-position control for failsafe operation in a wide variety of water and wastewater treatment applications. They are compact, integrated units that are electrically operated and have a hydraulically powered internal spring-return mechanism to provide proper positioning of a valve in a safe condition.
Rotork Controls Inc.
Rochester, NY
Tel: 585-328-1550
Web: www.rotork.com
Nanofiltration membranes
Hydranautics has introduced the new generation of ESNA (Energy Savings Nanofiltration) technology. The new ESNA1-LF2 is designed to provide high rejection of natural organic materials and moderate rejection of total hardness, while running below 100 psi. The LF2 provides 7,800 gallons per day of flow at 80% nominal calcium chloride rejection.
Hydranautics Inc.
Oceanside, CA
Tel: 800-272-7873
Web: www.membranes.com
Stormwater treatment
Hydro International’s Downstream Defender is a hydrodynamic vortex separator designed to remove sediment, floatables and associated pollutants from runoff. The system was recently approved by the New Jersey Department of Environmental Protection (NJDEP) and New Jersey Corporation for Advanced Technology (NJCAT) for general use in accordance with the Energy and Environmental Technology Verification (EETV) Act.
Hydro International
Portland, ME
Tel: 207-756-6200
Web: www.hydro-international.biz
Metering pumps
Neptune Chemical Pump Co. has expanded the range of its Series 500 “dia-PUMPs” with explosion-proof motors and NEMA 7 stroke positioners for use in hazardous environments. The hydraulically actuated diaphragm pumps provide metering of a wide variety of corrosive, flammable or hazardous liquids. The explosion-proof model is ideal for use in a variety of extreme environments.
Neptune Chemical Pump Co.
Lansdale, PA
Tel: 215-699-8700
Web: www.neptune1.com
High volume pumps
This year, Godwin Dri-Prime pump newcomers include a generation of pumps that has evolved from Godwin’s high volume CD series of Dri-Prime models. Four pumps specifically are offered to provide elevated heads with solids handling capabilities without sacrificing high volume pumping capacity: the 4-inch CD103M, the 6-inch CD160M, the 8-inch CD225M, and the 12-inch CD300M.
Godwin Pumps
Bridgeport, NJ
Tel: 856-467-3636
Web: www.godwinpumps.com
Aeration system
Mazzei Injector provides the AirJection® process, Venturi aeration systems for water and wastewater treatment aeration and basin mixing. Basin (tank, pond or lagoon) water is pumped at low pressure (10 to 15 psig) through patented “High Efficiency” Mazzei® injectors. The injector aspirates large volumes of ambient air or concentrated oxygen without the use of blowers.
Mazzei Injector Corp.
Bakersfield, CA
Tel: 661-363-6500
Web: www.airjection.net
Mobile sludge dewatering
Phoenix Process Equipment offers a variety of mobile sludge dewatering systems. Components are selected to suit material processing requirements and provide maximum flexibility in a turnkey system, skid or trailer mounted, ready to perform. Phoenix designs and manufacturers a variety of high quality, dewatering machines for slurry volume reduction and process dewatering.
Phoenix Process Equipment Co.
Louisville, KY Tel: 502-499-6198 Web: www.dewater.com
Check valves
The Series 37G Tideflex® Check Valve is inserted inside a storm sewer interceptor line to protect manholes from backflow. The valve can be installed where the invert of a pipe is flush with the floor of a manhole. Installation by means of an expanding stainless steel clamp can be done from the manhole with no digging required. The all-rubber construction of the valve eliminates rust, corrosion and freezing, while the “duckbill” design seals drop-tight under the worst storm conditions.
Tideflex Technologies Inc.
Pittsburgh, PA
Tel: 412-919-0919
Web: www.tideflex.com
Basalt-lined piping
Abresist piping is designed to handle grit, sludge or biosolids being conveyed in wastewater plants. The basalt-lined piping lasts five times longer than ½" cast iron. Pipes, elbows and fittings are custom engineered for each application and can be provided in a variety of end connection arrangements to retrofit into existing systems or install in new ones using flanges, grooved couplings, compression couplings or welded attachments. Many paint systems can be applied to the carbon steel outer casing.
Abresist Corp.
Urbana, IN
Tel: 800-348-0717
Flow measurement
All Controlotron flow measurement systems are simple to install; no pipes are cut or operations interrupted. They provide accurate full pipe mass and volumetric measurement of raw water, potable water, raw sewage and various sludges and chemicals. Dedicated multifunction hybrid system 1010N is field programmable for Wide-Beam Transit-Time or Reflexor (Fast Fourier Transform Doppler) operation for adaptation to changing conditions.
Controlotron Corp.
Hauppauge, NY
Tel: 800-275-8479
Web: www.controlotron.com
Piping system software
Engineered Software, a provider of software used to design and simulate the operation of fluid piping systems, will be displaying PIPE-FLO Professional 2005 and PIPE-FLO Overtime. PIPE-FLO Professional 2005 allows users to visualize their systems in a familiar format, calculate system operations, communicate the design with others and access supporting documents in electronic format.
Engineered Software Inc.
Lacey, WA
Tel: 360-412-0702
Web: www.eng-software.com
Filtration media
Fairmount Minerals offers filtration media through its subsidiaries, Best Sand in Chardon, OH, and Wedron Silica in Wedron, IL. All filtration media is washed, dried and precisely screened to meet each customer’s requirements.
Fairmount Minerals
Tel: 800-237-4986 Web: www.fairmountminerals.com
Storage tanks
Columbian TecTank manufactures factory-coated bolted and factory welded stainless steel tanks for use as clarifiers, sludge storage, equalization tanks, trickling filter tanks, anaerobic and aerobic digesters, plus other wastewater treatment applications. The company’s Trico-Bond EP modified epoxy powder coating resists corrosion and is factory-applied in ISO 9000/2000 Quality System Certified facilities.
Columbian Tec Tank
Kansas City, KS Tel: 913-621-3700 Web: www.columbiantectank.com
Sludge thickener
The Enviroquip Membrane Thickener is a sludge thickener available for installation at new or existing treatment plants to increase the capacity of aerobic sludge processing and storage tanks. The membrane thickener is available in numerous sizes to meet the needs of both conventional and MBR wastewater treatment plants and is specifically targeted to plants with less than 6.0 mgd influent flow.
Enviroquip Inc.
Austin, Texas
Tel: 512-834-6000
Web: www.enviroquip.com
Denitrification system
The Leopold elimi-NITE Denitrification System uses the advantages of deep bed, mono-media filters to remove nitrogen in wastewater effluent. In addition to nitrogen, the system can simultaneously remove suspended solids. The gravity, downflow, packed-bed denitrification system is an attached growth, microbiological process which removes nitrate-nitrogen achieving levels below 1 mg/liter.
F. B. Leopold Company Inc.
Zelienople, PA Tel: 724-452-6300 Web: www.fbleopold.com Booth 3102
Pumping systems
Moyno will exhibit its newest pump, the Moyno® 2000 CC, as well as its Annihilator grinders and 2000 HS System at WEFTEC. The 2000 HS System features an integral hopper with a twin-screw auger feeder and specially designed progressing cavity pump that handles high solids, dewatered municipal sludge to over 50 percent solids.
Moyno Inc.
Springfield, OH
Tel: 877-486-6966
Web: www.moyno.com
Aeration compressor
The HST Integral aeration compressor from ABS Pumps automatically self regulates to operate at the best efficiency. Designed to maintain reliability and efficiency within 1-2% of the best efficiency point, the high speed turbocompressor with frequency converter and magnetic bearings has been engineered to work in demanding and variable wastewater applications.
ABS Pumps Inc.
Meriden, CT
Tel: 203-238-2700
Web: www.absgroup.com
Blower/vacuum pumps
Gardner Denver Blower Division has introduced the new HeliFlow series low pulse, twisted lobe positive displacement blower/vacuum pumps. The pump’s twisted lobes provide less pulsation, lower vibration levels and enhanced performance, compared to similar sized units. They can produce airflow to 605 cfm, pressure to 15 psig and vacuum to 16 “Hg.
Gardner Denver Blower Division
Peachtree City, GA
Tel: 800-543-7736
Web: www.gardnerdenver.com
Root control
Duke’s Root Control Service is a proven method for controlling every day sewer line root problems. Over 1,000 municipalities have used the company’s services in more than 60 million feet of sewer pipe. The company applies EPA-registered products that kill tree roots without harming above ground vegetation. The material is injected as a foam, from manhole-to-manhole, killing all roots on contact and also inhibiting re-growth for 3 to 5 years.
Duke’s Root Control Inc.
Syracuse, NY
Tel: 800-447-6687
Web: www.dukes.com
Sewer modeling
SewerGEMS is a fully-dynamic, multi-platform (stand-alone, AutoCAD, ArcGIS and MicroStation) sanitary and combined sewer modeling solution that gives users the option to run EPA’s SWMM solver or SewerGEMS’ own implicit solution of the full Saint Venant equations. In addition to modeling relief sewers, overflow diversions, and inverted siphons, the software offers a solution for optimizing Best Management Practice (BMP) designs, meeting sanitary sewer overflow (SSO) and combined sewer overflow (CSO) regulations, developing system master plans, performing system evaluations associated with CMOM and NPDES, optimizing lift station and system storage capacities, implementing real-time control strategies and simulating operations with variable-speed pumping and logical controls.
Bentley Systems Inc.
Watertown, CT
Tel: 800-236-8539
Web: www.bentley.com/sewergems
Slide gates
Hydro Gate cast iron slide gates are commonly used in sewage treatment, flood control and municipal applications. They are designed to control the flow of fluid through openings under a face or seating head as well as under back or unseating head. Offered in square, rectangular or round flanges, cast iron slide gates use vertical and horizontal ribs to provide sufficient strength to meet the required design heads.
Hydro Gate
Denver, CO
Tel: 800-678-8228
Web: www.hydrogate.com
Submersible pumps
Thompson Pump will display four pump models and one hydraulic power unit at the 2005 WEFTEC show. The 6TSC, 3STC, and 6V, all dry-prime trash pumps, and the 46HST and 32HPU, a hydraulic submersible trash pump and power unit, will be on display. The 6TSC, a compressor-assisted dry-prime trash pump, can pump liquids with high abrasives or solids as large as 3.35” in diameter and has the ability to operate during ‘snore’ conditions.
Thompson Pump & Manufacturing
Port Orange, FL
Tel: 800-767-7310
Web: www.thompsonpump.com
Water quality meters
Extech Instruments will showcase its waterproof ExStik® II Series of “stick style” water quality meters at WEFTEC 2005. The series includes three multi-parameter models, EC400, EC500 and DO600, for testing pH, conductivity, TDS, salinity, temperature and dissolved oxygen. The addition of the multi-parameter meters builds on the company’s ExStik I Series of interchangeable flat surface electrodes for testing pH, ORP and chlorine.
Extech Instruments
Waltham, MA
Tel: 781-890-7440
Web: extech.com
Flowmeter
Krohne will showcase its new Optiflux 2300 flowmeter, consisting of the Optiflux 2000 electromagnetic flow sensor and Optiflux 300 converter, for the water and wastewater industry. The long term reliability of the flowmeter make it ideal for a variety of applications, including water distribution networks; water purification; environmental engineering; and wastewater treatment.
Krohne Inc.
Peabody, MA
Tel: 800-356-9464
Web: www.krohne.com
Tubing pumps
Tubing pumps
Watson-Marlow Bredel will introduce its 520 NEMA 4X line of tubing pumps for environmental metering applications at WEFTEC. With a NEMA 4X washdown sealed enclosure, the new pumps offer reliability and performance under harsh metering conditions. Designed for accurate metering, dosing and transferring of corrosive or sensitive fluids, the pumps are ideal for the contamination-free transfer of harsh chemicals and materials such as sludge and abrasive slurries during water and wastewater treatment applications.
Watson-Marlow Bredel Pumps
Wilmington, MA
Tel: 800-282-8823
Web: www.watson-marlow.com
Plug valve
The Pratt Ballcentric Plug Valve, available in sizes ranging from 3"- 36", is designed specifically for wastewater applications. The round port design available on sizes 3" - 20" offers less resistance to slurry, sludge and fluid flow resulting in better flow characteristics and less pressure drop across the valve than other types of eccentric plug valves. Henry Pratt designs, develops, manufactures and markets butterfly, rectangular, ball, nuclear, industrial, cone, sleeve and energy dissipating valves as well as valve actuators, control systems and couplings.
Henry Pratt Co.
Aurora, IL
Tel: 877-436-7977
Web: www.henrypratt.com
Protective shelters
The AEGIS weather-tight fiberglass building line, from Aegis Protective Shelters, a division of CDR Systems Corp., is lightweight, yet rugged, strong, maintenance free, corrosion resistant and vandal tough. This shock-resistant, non-conductive shelter’s exterior is finished with a colored UV resistant gel coat. Polyisocyanate foam insulation is available for cold climate applications. These versatile weather-tight enclosures are designed to house mechanical equipment and/or supplies.
Aegis Protective Shelters
Jacksonville, FL
Tel: 888-852-3447
Web: www.aegisshelters.com
Automatic filters
Tekleen® filters, available from Automatic Filters Inc., range from 1-24" in pipe size and are maintenance free. The filters feature a compact design, are fully automatic and self cleaning, and provide particle removal from 3,000µ to 5µ. Rinsing lasts only 5 seconds and uses less than 2 gallons of water without interrupting the main flow.
Automatic Filters Inc.
Los Angeles, CA
Tel: 800-336-1942
Web: www.tekleen.com
Vault Door
Bilco’s Type SM Surface Mounted door is an access solution for underground vaults that do not require a flush-mounted door. It features a concealed internal mounting flange for easy and secure installation. Simply position the door over the vault opening and bolt it into place. The door is also ideal for replacement applications and its gasketed, overlapping cover design sheds water and prevents debris from entering into the opening.
Bilco Co.
New Haven, CT
Tel: 203-934-6363
Web: www.bilco.com
Pulsation dampeners
Positive Displacement pumps create pulsation and hydraulic shock due to the reciprocating nature of their stroking action. Blacoh’s Sentry® Pulsation Dampeners remove virtually all system shock, enhancing performance and reliability of fluid flow in process flow applications. The dampeners use a compressed gas separated by a bladder from the process fluid like a shock absorber.
Blacoh Fluid Control Inc.
Riverside, CA
Tel: 800-603-7867
Web: www.blacoh.com
