Archimedes/Screw Pumps

Low-head screw pump

Screw pumps from Lakeside Equipment Corporation offer built-in variable capacity that automatically adjusts the pumping rate and power consumption to match incoming flow while operating at a constant speed. They lift large volumes efficiently at low head at any treatment stage. Patterned after the Archimedean screw, the pump’s assembly consists of a simple screw, upper bearing, lower bearing and drive arrangement. The pumps offer low operating costs, low maintenance, nonclogging operation and minimal head. No variable-speed electrical controls are required. 630/837-5640; www.lakeside-equipment.com.

Tube-mounted screw pump

The Tube-mounted screw pump from Schreiber incorporates the Archimedean screw pump concept in a self-contained unit for ease of installation and construction. It transports liquid inside a stationary tube, simplifying design and eliminating grouting. The units are factory assembled. Pumps can be set at a fixed angle, or the lower end can be supported by a hoist to vary the pump angle and for maintenance access. The pump provides variable capacity at constant speed. It uses a single-row spherical roller and self-aligning combination radial/thrust lower support bearing. A flanged bearing provides radial support at the upper shaft. 205/655-7466; www.schreiberwater.com.

Centrifugal Pumps

Heavy-duty end suction centrifugal pump

E, F and G Series heavy-duty end suction centrifugal pumps from Griswold Pump Company come in capacities to 3,000 gpm and heads to 310 feet. A broad range of sizes and configurations are available. They offer a choice of a close-coupled NEMA electric motor or frame mounting with couplings to electric motors, engines, steam turbines or belt-driven motors. Three hundred sixty-degree mounting capability extends installation options. Close-coupled configurations can be mounted vertically when space is at a premium. The back pullout design permits removal of the entire pump assembly for maintenance without disturbing piping connections. 909/512-1262; www.griswoldpump.com.

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Screw centrifugal pump

Triton screw centrifugal pumps from Vaughan Company handle thick biosolids, large or stringy solids, shear-sensitive fluids and delicate or highly abrasive materials. The pumps offer steep performance curves, nonoverloading power characteristics, heavy-duty power frames and a flushless mechanical seal. A water-flushed mechanical seal or packing is available. 888/249-2467; www.chopperpumps.com.

Inline centrifugal pump

The Stratos GIGA high-efficiency, single-stage inline centrifugal pump from WILO USA has an inline circulator that allows it to fit in tight spaces. Units offer heads to 167 inches and flows to 275 gpm and integrated electronic power adjustment. 866/945-6872; www.wilo-usa.com.

Chemical Feed Pumps

Solenoid actuated diaphragm pump

The MAGDOS LP solenoid actuated diaphragm pump from Lutz-JESCO America has a wide capacity range for accurate dosing. It offers capacities from 0.13 to 3.96 gallons per hour and pressure ratings to 232 psig. It uses batch dosing with interval and timer functions, an easy-logic menu with graphical display and eco-settings to optimize energy and chemical usage. Its dosing rate can be adjusted by changing the stroke frequency manually or by using a 0/4-20 mA signal. 800/554-2762; www.jescoamerica.com.

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General utility pump

General utility pumps from Moyno suit water sampling and chemical applications. Design simplicity reduces maintenance and downtime. Accurate, repeatable, nonpulsating, low-shear flow handles multiple applications. The compact units (flows to 50 gpm and pressures to 600 psi) are offered in motorized and nonmotorized models. Packing or mechanical seals are available. 877/486-6966; www.moyno.com.

Leak-free dosing pump

Hydraulic diaphragm pumps from SPX Flow Technology are designed for chemical dosing to enable safe handling and optimum usage of chemicals. The diaphragm separates pumped liquids from the atmosphere and drive mechanism. Few wear parts in contact with pumped fluids mean low maintenance. Diaphragms and wet-end pump parts are available in a range of materials. Suited for applications such as pH control and corrosion prevention, they use a cam and spring mechanism to drive the diaphragm. An adjustable crankshaft drives a plunger in hydraulic oil to move the diaphragm. 800/252-5200; www.spx.com.

Chopper/Shredder/Grinder Pumps

Shredder pump

Shredder pumps from BJM Pumps break solids into pieces so that they pass through easily without clogging. The Fang cutting impeller with hard-sharpened tungsten carbide shreds against a high-chrome suction wear plate. The 304SS motor housing provides high corrosion and abrasion resistance. 877/256-7867; www.bjmpumps.com.

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Grinder pump station

The E/One Extreme grinder pump station from Environment One Corporation offers 185 feet total dynamic head capability, corrosion protection and expanded communications. It needs no preventive maintenance and is available in prepackaged wet well/drywell systems. The grinder pump station collects wastewater, grinds up solids and moves the effluent through 1 1/4- to 4-inch pipe to treatment. 518/579-3068; www.eone.com.

Pressurized grinding system

The InviziQ pressure sewer system uses grinding and pumping to move sewage efficiently to treatment facilities regardless of the terrain, slope, environmental sensitivity or topography. It offers a dry well design and clean access to the system motor and other working parts. Network monitoring and control is built in. 513/226-6961; www.inviziq.com.

Manhole grinder pump package

The Muffin Monster Manhole from JWC Environmental keeps rags and debris from clogging sewer lines and pump stations. The ready-to-install package includes a pre-built manhole, Muffin Monster grinder, guide rails, access ladder, inlet and outlet pipeline connections, and a manhole or hatch-type access lid. 800/331-2277; www.jwce.com.

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Dewatering/Bypass Pumps

Multistage pump

The e-HM stainless steel series horizontal multistage pump from Goulds Water Technology – a Xylem Brand, offers a broad hydraulic range, and a variety of configuration options. Efficient performance reduces carbon dioxide emissions and costs. Constructed of AISI 316 stainless steel, it is available in six models and a one-piece or sleeve design. Pressure-boosting capability and a space-saving footprint make it suitable in many configurations. The pump has a 127 gpm flow capacity. A balanced impeller reduces axial thrust by 40 percent, and a 20 percent thicker stainless steel pump body enhances durability. 866/325-4210; www.goulds.com.

Double disc pump

The Double Disc pump from Penn Valley Pump Co. handles solids including biosolids dewatering feed, thickened biosolids, digested biosolids, primary biosolids, scum, septage and lime slurry. The simple, durable design provides an extremely low wear rate, minimizing maintenance. The pump runs dry without damage, and has a hinged housing that allows complete servicing without disturbing the piping. 215/343-8750; www.pennvalleypump.com.

Effluent Pumps

Wastewater pumping system

The Experior wastewater pumping system from Flygt – a Xylem Brand, offers energy savings in a package that is easy to install and easy to operate. Adaptive N-technology allows the impeller to move axially upward when necessary to permit bulky or tough debris to pass through, reducing stress on the shaft, seals and bearings. It is available with efficient motors optimized for wastewater pumping. SmartRun intelligent controls enable programming to optimize energy use. 704/409-9700; www.flygtus.com.

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Portable non-clog pump

The Dri-Prime NC150 pump from Godwin, a Xylem brand deliver non-clog performance, high efficiency and energy. The compact pump has flow capabilities to 1,767 gpm and discharge heads up to 195 feet. It includes Flygt N-technology with a self-cleaning impeller. The automatic self-priming system primes and reprimes from dry without operator assistance or foot valve control. It has a dry-running high-pressure oil bath mechanical seal with abrasion-resistant silicon carbide faces. It can be customized with a diesel engine or electric motor on a highway trailer or skid-mount, or in a quiet enclosure. 800/247-8674; www.godwinpumps.com.

Metering Pumps

Diaphragm metering pump

The ProSeries Chem-Pro diaphragm metering pump from Blue-White Industries has a large pump enclosure and control pad, a protective snap-on control pad cover and a single-layer injection-molded diaphragm. Remote start/stop is standard; a 4-20 mA output is available. The unit has upgradeable firmware, a large single-piece junction box and terminal block connectors inside the junction box that include additional ports for external wiring. PROFIBUS, PROFINET and Ethernet are available. 714/893-8529; www.blue-white.com.

Methanol metering pump

The Model QDX hazardous-duty metering pump from Fluid Metering meters methanol for wastewater treatment processes. It combines CeramPump valveless piston pumping technology with a QDX hazardous-duty drive. The CeramPump has only one moving part in contact with the process fluid — a rotating and reciprocating ceramic piston. The piston simultaneously rotates during pumping and is synchronized to alternately open and close the inlet and outlet ports, effectively functioning as a valve. 800/223-3388; www.fmipump.com.

Chemical metering pump

The Qdos 30 chemical metering pump from Watson-Marlow Pumps Group delivers 5,000 to 1 flow from 0.002 to 8.0 gallons per hour at 100 psi, while integrating through IP66 manual, analog and PROFIBUS control options. The unit is fully sealed. Control features include fluid level monitoring, fluid recovery, line priming and intuitive flow calibration. The pump head can be configured on the left or right for installation in restricted environments or on skids. The sealed design and fluid recovery eliminate waste and ensure operator safety. Operation is intuitive via a menu-driven interface with 3.5-inch TFT color display. 800/282-8823; www.wmpg.com.

Peristaltic Pumps

User-set or remote-controlled dispensing pump

The TPV DP adjustable rpm dispensing peristaltic pump from AALBORG Instruments has a timing device that permits dispensing via the user’s settings or by optional remote input. Seven time periods ranging from 0.1 to 1 second to 10 to 100 hours are possible. It pumps low- to high-viscosity liquids, including fuel with the appropriate tubing. Fluids never touch the pump head. Models accommodate user-selected speeds from 0 to 300 rpm. Flow rates range up to 5,000 mL per minute in 1/2-inch tubing. 845/770-3000; www.aalborg.com.

High flow-rate peristaltic pump

The LPP-T 4-inch peristaltic pump from Flowrox delivers up to 440 gpm. It compresses the hose only once per 360-degree revolution, extending hose life significantly. It can run dry without damage, does not require a flooded suction and works well in lift applications. It uses a precise hose compression system and secure hose end connections that incorporate a steel ring vulcanized into the end of the rubber hose. Hose and tube materials are available for multiple applications. 410/636-2250; www.flowrox.us.

Seal-free peristaltic pump

Abaque peristaltic (hose) pumps from Neptune Chemical Pump Company handle solid particles to 0.7 inches and soft particles to 1.2 inches. They use a seal-free design that eliminates leaks and enables pumping of fluids from abrasive and aggressive to shear-sensitive and viscous. The pumps can run in forward or reverse, are self-priming and dry-running and offer suction-lift capabilities to 25.5 feet. Ductile-iron and steel construction enables discharge pressures to 232 psi. 215/699-8700; www.neptune1.com.

Rotary Lobe Pumps

Mobile rotary lobe pump

Mobile rotary lobe pumps from Boerger are self-priming, valveless, positive-displacement units for rapid deployment of floodwater, stormwater, domestic wastewater, industrial effluents and biosolids, spills, and digester and lagoon clean up. Twenty pump models in six series are offered with pulsation-free operation, fully reversible rotation, dry-run capabilities and flow rates to 5,000 gpm. All wear parts can be replaced through the front cover without removal of piping or drive systems. 612/435-7300; www.boerger.com.

Gearbox-free rotary lobe pump

The TORNADO T2 rotary lobe pump from NETZSCH Pumps North America has lobes running inside a metal housing with a replaceable elastomer liner. It needs no O-rings or gaskets, and a single synchronous-toothed timing belt eliminates the gearbox. A pulsation reduction system of channels molded into the rubber walls of the pumping element releases lobe energy and dampens pulsation. Full service-in-place engineering provides easy access to mechanical seals, rotors, liners, and for timing the lobes without disassembling pipes. The single timing belt drive eliminates a second reduction component. No oil is needed and there are no timing gears. 610/363-8010; www.netzschusa.com.

Solids/Sludge Pumps

Stainless steel skimmer

The Alpha stainless steel skimmer from Megator removes wastewater scum from aeration tanks. Made of stainless steel, it handles aggressive liquids at varying depths and concentrations. It has a lightweight design with one-man operation, an adjustable intake weir, a tri-float design for stability, and a shallow draft that enables it to operate in as little as 12 inches of water. The skimmer can be arranged for gravity flow in new construction. 800/245-6211; www.megator.com.

Biosolids pumping system

V-RAM pumping systems from Olson Mfg. Co. move 12- to 30-percent solids biosolids with up to 700 psi operating pressure and pumping volumes up to 5,600 gallons per hour. They are designed for continuous high-pressure pumping. They use ball check valves proven over 50 years in liquid/slurry applications. With a life expectancy of more than 30,000 hours, the ball check valves are readily accessible and have a self-cleaning action. The hydraulic unit uses open-looped horsepower-limited hydraulics that develop only the pressure needed to push the material, saving energy. 888/373-3996; www.vram.com.

Versatile biosolids pump

Biosolids pumps from Schwing Bioset can dewater biosolids from belt presses, centrifuges, plate-and-frame presses and screw presses. They withstand tough environments with a volumetric capacity exceeding 300 gpm and operating pressures up to 1,885 psi. Along with pumping non-flowable materials, they pump scum and grease. 715/247-3433; www.schwingbioset.com.

Cake pump system

The piping-contained cake transfer solution from seepex replaces the open-air cake transfer method using conveyors. The pitch, diameter and speed of the auger that pushes the cake into the pumping element can be adjusted to match the application, while load cells automate the process. The hopper is fitted with sensors that detect the increase in weight and adjust the speed of the pump accordingly, saving energy. The system uses a pressure sensor, a dry-running protection sensor, and a boundary layer injection system. 877/806-4152; www.seepex.com.

Submersible Pumps

Air diaphragm pump

The lubrication-free 1-inch air diaphragm pump from All-Flo Pump Company has a non-stall/freeze air system. Engineered for fluid and chemical compatibility, the bolted design offers ease of maintenance and leak-free operation. It is available in a variety of materials and options. A Max-Pass valve system allows operation under conditions from clean fluids, to slurries, to solids up to 3/4 inch. Pump sizes range from 1/4 to 3 inches. 440/354-1700; www.all-flo.com.

Submersible cistern pump

C1 Series stainless steel submersible cistern pumps from Franklin Electric are designed for use in graywater/filtered effluent service applications, and include the ability to pass solids up to 1/8 inch in diameter without impacting pump life. They are constructed of a 304 stainless steel motor and outer shell with engineered polymer hydraulics providing corrosion resistance and abrasive handling. Features include a thermoplastic discharge head to avoid breakage during installation and operation, removable 5-inch-wide base for secure and reliable mounting, a motor lead connection protected with a rubber boot and secured with a stainless steel strain relief, and a bottom suction design allowing maximum fluid drawdown without compromising durability or pump life. It is available in flow ratings of 10, 20 and 30 gpm, with a maximum shut-off pressure of over 100 psi, and is available with a 115- or 230-volt 1/2 hp single-phase motor. 800/269-0063; www.franklin-electric.com.

Submersible trash pump

The S3T 3-inch hydraulic-drive submersible trash pump from Hydra-Tech Pumps fits into 12-inch openings and is used where lightweight, high-volume pumps are needed. For jobs with limited solids, a small-hole water strainer is available. Combined with the company’s HT11 to HT15 power units, it handles flows up to 380 gpm. The variable-speed hydraulic drive can be used where electric power is hazardous or impractical. 570/645-3779; www.hydra-tech.com.

Axial pump

Axial-flow pumps (also known as recirculation pumps or propeller pumps) from Landia are installed between adjacent tanks or in a channel, where they are used to create flow. Suited to numerous applications including wastewater treatment, stormwater control and slurry pumping, they recirculate or transfer large volumes at low head. A sturdy planetary gear system enables high energy efficiency. The pumps have a triple shaft sealing system and are available in cast iron or stainless steel. 919/466-0603; www.landiainc.com.

Submersible sewage pump

ABS submersible sewage pumps from Sulzer Pumps Solutions Inc. use premium-efficiency IE3 motors for low operating cost, and reduced carbon footprint. Long-term reliability limits the risk of overflows. A Contrablock Plus impeller provides quality rag handling. 800/525-7790; www.sulzer.com.

Air-distribution system AODD pump

The Pro-Flo SHIFT air distribution system (ADS) AODD pump from Wilden Pump & Engineering saves operating costs while providing high product yield. The pump is submersible and offers plug-and-play operation. It is available in 1 1/2-, 2- and 3-inch sizes, discharge pressures to 125 psig, flows to 243 gpm and suction lifts to 23.8 feet dry and 30.6 feet wet. The pump handles up to 1/2-inch solids. 909/422-1730; www.wildenpump.com.

Vertical/Lift Station Pumps

Above-ground lift station

The ReliaSource 8- by 9-foot above-ground lift station from Gorman-Rupp offers the company’s pumps, controls and enclosures. It comes fully assembled and tested to operating conditions. It accommodates Super T Series or Ultra V Series self-priming, heavy-duty solids-handling pumps from 2 to 60 hp and offers flows to 2,600 gpm and heads to 160 feet. It handles solids up to 3 inches. 419/755-1011; www.grpumps.com.

Vertical non-clog wastewater pump

X-PELLER 4- to 8-inch pumps from Smith & Loveless suit vertical non-clog pumping of wastewater high volumes of trash, solids and flushables. It is balanced through the full trim with less than 3 mil vibration. Its single-valve design expels high volumes of stringy materials, rags and other problem flushables. It also suits extremely low-flow applications (0 to 500 gpm). It comes in 900, 1,200 and 1,800 rpm models and is fully trimmable at the factory or in the field to specific pumping conditions. 800/922-9048; www.smithandloveless.com.

Emergency backup lift station standby system

The Thompson Backup System from Thompson Pump & Manufacturing Co. is a permanently installed standby pump that continues pumping despite power loss or primary pump failures. The automatic self-priming pump set can meet system demands during wet weather, routine maintenance, new construction or emergency repair. It includes the Enviroprime System, which actively prevents sewage spills. It uses programmable electronic controls that use sensors to monitor levels in the wet well and initiate backup pumping as programmed. SCADA-capable controls send alarms to operators. Systems are available with the Silent Knight canopy to reduce noise for residential areas. 800/767-7310; www.thompsonpump.com.

Pump Controls

Process meter pump control

The ProVu PD6000 process meter from Precision Digital Corporation has a programmable, dual-line, 6-digit display readable in sunlight; advanced signal input conditioning for flow and round horizontal tanks; and Modbus RTU serial communications. The large upper display can be programmed for PV, max, min, alternating max/min, alarm set points or Modbus input. The lower display can display engineering units, setpoints or user-defined legends, or be turned off. It can also be scaled for different units. It supports up to eight pumps. 800/343-1001; www.predig.com.

Duplex lift station controller

The Station View duplex lift station controller from PRIMEX Controls offers level monitoring, flow monitoring, pump level in feet, bar graph, float status and pump gpm. It provides pump amp, pump flow, power loss and pump HOA selector switch monitoring. The graphic backlit display offers easy navigation, intuitive setup and a real-time clock. It is equipped with an SD card slot for data logging, and can provide 24-hour data logging with seven days of historical data. 888/342-5753; www.primexcontrols.com.

Pump Parts/Supplies/Service

Mortar application pump

The M680 Mortar Pump from Graco reduces labor for projects such as resurfacing cement so that protective coatings or linings can be applied. It speeds surface preparation by allowing contractors to spray heavy materials onto the surface, rather than trowel them on by hand. It works with abrasive materials such as cementitious coatings, epoxy-based mortars, nonskid coatings, and polymers with fillers such as glass flake, silica or sand. Designed with a high-velocity circulating flush, it is easy to clean. 612/623-6000; www.graco.com.

Pump life cycle cost calculator

The Met-Pro Global Pump Solutions online calculator lets operators quickly estimate total life cycle cost for one or more pumps. Users input data including initial pump costs, installation costs and annual recurring costs. The calculator accounts for energy costs and generates an analysis. 215/723-8155; www.mp-gps.com.

Phase converter

Phase converters from Ronk Electrical Industries can be used in water and wastewater systems whenever three-phase power is needed and only single phase is available from the utility, or to run three-phase for a specific installation in a remote location. Lift stations, submersible pumps and aeration systems can be run from phase converters if properly sized and engineered. Systems can alternate up to seven pumps of various horsepower. Converters are suited to remote locations when a reliable, easy-to-maintain solution is needed. 800/221-7665; www.ronkelectrical.com.

Screw pump Restoration

Evoqua Water Technologies (formerly Siemens Water Technologies) supplies original-equipment Internalift screw pump component replacements and repairs for lifting of liquids in municipal or industrial applications. Company experts provide equipment evaluations and recommend best options to restore original pumping efficiency, extend useful life, avoid downtime, and meet plant operating budgets. Turnkey services include removal or rehabilitation of existing equipment and installation of new equipment or components. www.evoqua.com.

Submersible pump disconnect rail system

The Z-Rail disconnect system from Zoeller Company is designed for threaded discharge pumps. The ductile iron design can support pumps up to 300 pounds. Its grooved machined seating surfaces seal up to 250 feet of head. The compact design fits most basins, allowing easy installation or removal of the pump from outside the basin. A properly sized rail system allows the pump to slide down into the basin through the cover and automatically engages the discharge piping. 800/928-7867; www.zoeller.com.


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