![]() ![]() A stainless steel motor housing protects the pumps from corrosion, abrasion and premature wear. They use carbide-tipped cutting impellers which rotate against a spiral-shaped impeller plate to shred solids. ![]() Model SK22 submersible shredder pumps from BJM Pumps can handle up to 240 gpm of wastewater at heads up to 59 feet. In addition to these SCADA-capable controls that send an alarm to alert the operator, pumps are available with the Silent Knight canopy that reduces sound levels for residential areas. It utilizes programmable electronic controls, which make use of sensors that monitor levels in the wet well and initiate backup pumping as programmed. The system includes the Thompson Pump Enviroprime System, which actively prevents sewage spills. The automatic self-priming pump set can meet system demands during wet weather, routine maintenance, new construction or emergency repair. Permanently installed standby pump units from Thompson Pump & Manufacturing continue pumping despite power loss or primary pump failures. Complete factory-tested stations arrive on site ready for connection. The fluted wall design, with 50-year cathodic protection, provides structural support and durability with VERSAPOX coating to enhance corrosion protection. The design philosophy and non-clog pump stimulates long-lasting, reliable operation, energy savings and hassle-free maintenance. Functional options inside the pump station include sinks, shelving and work desks. Designed with internal HVAC systems, spacious interiors and SAFE-STAIR entry, the station promotes safe, continuous human occupancy. The CAPSULAR underground pump station from Smith & Loveless can meet large-flow pumping system needs with pump sizes ranging from 4 to 12 inches. The simple arrangement is easy to maintain, as there is nothing to collect rags and debris and they can be cleaned from above. This will create a diffuser by directing the flow back against the structure, thus deaerating the influent. If there is no fillet, cut the pipe at 45 degrees and in all cases maintain a distance from the floor or fillet of one pipe diameter. The drop pipe should always be extended below the low limit level and cut to follow the slope of the base fillet. Their use can lead to dramatic reductions in pump-related problems, as well as reduced general maintenance and odor complaints. The use of controlled inside drops in lift stations from RELINER/Duran allows pump life to be extended by preventing aerated influent from being directly drawn into the pumps, the primary cause of cavitation. Multiple drives can be configured for access through one user-friendly, easy-to-understand human-machine interface. ![]() Custom options are available, including skid-proof floors, windows, roll up doors, HVAC, load centers, multi-color schemes and OLS control panels that contain integrated variable-frequency drives, which can optimize lift station operation and reduce energy usage by reducing hard starts and water hammering. Features include structural foam-core fiberglass walls (2 to 4 inches thick) weatherproof, watertight structure insulation value up to R24 a high resistance to chemicals and corrosion a roof structure rated up to 100 psf and field or factory assembly. Standard sizes are 8 feet tall, 4 to 16 feet wide and up to 42 feet long. Strong, lightweight, super-insulated fiberglass shelters from Orenco Systems safely house lift stations, equipment, chemicals, controls and workers. It can also be installed as a headworks screen for small treatment plants or lagoon systems. ![]() A custom-built screen fits every site and can screen up to 1 mgd. When attached to the wall of the pump station next to the influent pipeline, it captures rags, wipes, plastics and trash before they get inside the wet well. The Vertical Auger Monster screening system from JWC Environmental fits inside pump stations to screen, clean and convey debris straight up and out of the sewer system before they can clog pumps, eliminating the time and expense needed to de-rag. Here are several stations on the market, along with the individual components that keep them operating, including pumps, meters, valves, control panels and SCADA systems. Lift stations contain the pumps, valves and electrical equipment necessary to move sewage from low to high elevation, making them an essential component of many municipal sewer systems. Get Flow Control articles, news and videos right in your inbox! Sign up now. ![]()
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