submersible pump unit Articles

  • Crisafulli submersible pumps and power units-case study

    In June, 1997, Mr. Quinn of EPCO, the customer's designated agent, inspected the systems at Crisafulli's manufacturing plant, and these made in Montana pumping systems were tested and shipped to Siberia. SRS Crisafulli, Inc., founded in 1966, is one of a few select manufacturers of specialized, engineered pumping and dredging systems in the United States. From its beginning, SRS Crisafulli has ...


    By SRS Crisafulli, Inc.

  • What is The Difference Between Submersible and Immersible Pumps?

    These terms can often be confused though the distinction is fairly obvious. Submersible pumps are complete units, including the motor, and the whole can be totally submerged whereas immersible pumps are mounted in vertical position with the motor above the liquid and the pump end extended below the liquid level. ...


    By Crest Pumps Ltd.

  • Avoiding Pump Problems

    As with any pump system, there are some basic components involved — a driver, the impeller/pump and the transmission. The basic difference is that instead of a flexible coupling or gear train, the transmission is a hydraulic system. The hydraulic system is composed of a hydraulic pump, hydraulic motor, supply tank, filtration method, cooling method and transfer ...

  • Griffin Stainless Steel Hydraulic Submersible Pumps have the ability to withstand corrosive environments.

    Griffin Stainless Steel Hydraulic Submersible Pumps, which have the ability to withstand corrosive environments, are available in trash, axial flow, and and material handling models. The pumps range from 4” to 24”. These pumps are designed for heavy duty municipal and industrial dewatering and solids handling pumping applications handling high volumes of water up to 20,000 gpm ...

  • Pumping at Subzero Temperatures

    Pumping of cryogenic (low-temperature) products is important for many applications, especially in the field of liquefied natural gas (LNG). The Sulzer J-unit is a special sealing system for cryogenic pumps. It was invented more than 60 years ago. The evolution of the J-unit design since then has been impressive and has now resulted in a recently filed patent application by Sulzer. ...


    By Sulzer Ltd.

  • All you want to know about sump pumps

    The weather nowadays is extremely unpredictable. It may be sunny now, and may rain heavily the next instant. Also, occasionally there are weather conditions like rains, hurricanes and storms, which can occur when it is least expected and among all of these, floods are the most common. Floods can be very irritating as the water can flow indoors. In such a condition, a sump pump is necessary in ...

  • The Many Costs of a Clogged Pump

    Photo:  wef.org In the February 2012 issue of Water Environment and Technology Magazine is an article titled “A solution for ...


    By SRS Crisafulli, Inc.

  • Large Diameter Impellers Make Trash Pumps More Versatile

    The introduction of these impellers allow for a higher range of discharge pressure. Pumps are available in many types—diaphragm, positive displacement and progressive cavity—but the most common is a centrifugal pump. Centrifugal pumps have an impeller that spins, transferring energy to the fluid by centrifugal force and directing the water to the discharge point within the ...

  • Pumps for the Booming FPSO Sector

    In the last few years, several new offshore oil fields have been discovered. The current findings from Petrobras and other companies in the pre-salt province, located in the Brazilian continental shelf, suggest reserves of over 50 billion barrels of oil. Extracting the pre-salt oil is challenging and done increasingly with floating production storage and offloading units (FPSOs). Sulzer offers a ...


    By Sulzer Ltd.

  • Shakti Submersible Pumps Lure A Wide User Base With Custom Built, Widely Varied Products

    Shakti Pumps has evolved as a premier manufacturing unit in the realm of stainless, submersible motors and pumps. The state of the art technology today in the domain of submersible pumps and allied motors, pronounces the hallmark buzzword: ‘Innovation’! Shakti submersible water pump has emerged into the competitive market with substantial opportunities and alternatives, and has ...


    By Shakti Pumps (I) Ltd

  • Pump it up

    Aligning itself with a major equipment supplier and dealer helps the company access the tools and expertise it needs without risking too much capital. Aquatech is the distributor for Godwin Pumps of America in Ontario, Nunavut, Newfoundland and Eastern Labrador, all resource-rich territories. A recent purchase of Godwin by ITT Corporation has expanded the lineup of mine sector pumps. The company ...


    By Aquatech Dewatering Company

  • Landfill pumps for Gas well dewatering - Case Study

    AutoPumps Keep the Power On for Thousands of Florida Homes Waste Management's Springhill Regional Landfill near Campbellton, Florida generates "green" energy by extracting and burning the methane in landfill gas. Its $7 million landfill gas energy (LFGE) plant, with six large Caterpillar engines running 24 hours a day, 7 days a week, is capable of producing 4.8 million watts of power. ...

  • Overview of dredging concept, including automated dredging, with liquid waste technology dredges

    The RUNT Model RCLPEF, an electrically powered remote controlled dredge, is designed to remove sediments from the bottom of waterways, ponds, and settling lagoons. In situ solids are excavated and transported as a slurry through a piping system to a remote location. Foam filled, steel pontoons provide the necessary flotation to support the machinery and equipment in the waterway. Principal ...

  • Case Study: Sandy Balls Leisure Centre: Sewage Treatment Plant

    A customer with a tough application for a Positive Displacement RAS (Return Activated Sludge) Pump was experiencing high maintenance with the existing submersible unit, requiring lifting of the pump every 3-4 weeks, usually due to solids blockage. NOT a pleasant task regularly lifting from raw sewage! Triangle replaced it with a self-priming Boerger Rotary Lobe Pump. A useful feature of the ...


    By Triangle Ltd

  • Pumps for new housing in Stockholm

    Grindex new series of dewatering pumps are designed to last three times longer in abrasive applications compared to previous pump generations. In this case study from Sweden, they are up for a tough test. One of the critical factors for the building of 3,000 new homes within a few years are the seven submersible dewatering pumps from Grindex installed deep in the bedrock below south Stockholm. ...


    By Grindex Pumps

  • Dewatering Crews Keep the Alameda Corridor Dry and Open for Business

    Griffin installed a multitude of deep wells along the alignment of the proposed railway to allow for construction. The discharge from the wells was pumped via large diameter high density polyethylene pipe (HDPE) to a below grade mixing vault, where a neutralizing agent was introduced to the groundwater as the quality of the groundwater was not allowed to discharge to the designated receiving ...

  • Local company T-T, is a `grand design` case study

    Onneley based T-T Pumps with their diverse capabilities and products were selected to supply the pumping system for the Grand Designs project which will be aired on Wednesday 28th September 2011. Incorporated in the restorations of the rusting and rotten hulk of an old lifeboat station in Tenby, the company and its team supplied and commissioned a system to deal with the buildings wastewater. ...


    By T-T Pumps Ltd.

  • AutoPumps keep the power on for thousands of Florida Homes - case study

    Waste Management's Springhill Regional Landfill near Campbellton, Florida generates 'green' energy by extracting and burning the methane in landfill gas. Its $7 million landfill gas energy (LFGE) plant, with six large Caterpillar engines running 24 hours a day, seven days a week, is capable of producing 4.8 million watts of power. Most of the energy goes to the Alabama Electric Cooperative for ...

  • Dredging Technology – Underwater Excavation and Construction

    The presence of water is ussualy considered a nuisance in construction, particularly when excavating removing water is common practice. In some cases however, water can be a very useful tool that may simplify things greatly. With the “flooded excavation principle”, the construction site is flooded after the retaining walls have been installed (e.g. sheet pile). When the ...


    By BBA Pumps

  • Primary School in Essex gets a rainwater harvesting system

    Rainwater Harvesting System for primary school The Westborough Primary School, near Southend-on-Sea, has ordered a complete rainwater harvesting system from market leader Aquaco. The system comprises of a 10,000 litre single piece underground rainwater collection tank and the Aquaco inline wire mesh leaf filter. A dual submersible pump set provides 100% standby ...

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