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Supplier: EBARA Pumps Americas Corporation
Description: The model DVU submersible pumps are constructed of rugged cast iron suitable for water, wastewater and sewage applications. The model DVU features a semi-open vortex impeller suited for pumpage containing abrasive and/or large suspended solids. The vortex action of the
- Discharge Size: 2 to 4 inch
- Horsepower: 4 to 5 HP
- Maximum Discharge Pressure: 23.07 to 115 psi
- Maximum Discharge Flow: 16 to 430 GPM
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Supplier: EBARA Pumps Americas Corporation
Description: The model DVFU submersible pumps are made of tough cast iron with heavy-duty motors suitable for industrial and municipal water and sewer water, drainage and sewage applications where the discharge water or the pumpage contains fibrous or large solids. The high-efficiency, semi-open
- Discharge Size: 2 to 6 inch
- Horsepower: 2 to 30 HP
- Maximum Discharge Pressure: 29.99 to 279 psi
- Maximum Discharge Flow: 16 to 1200 GPM
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Supplier: Affetti Giuseppe & C. s.n.c
Description: block and the gaskets present are in the right material (EPDM-FPM). Primary label mechanical seals combinations are installed (internal, external and double flushed) with like standard version the solution with silicon carbide faces (Sic-Sic) and bellows (FPM-EPDM). The impellers installed
- Discharge Size: 16 to 20 inch
- Horsepower: 1.01 to 268 HP
- Maximum Discharge Flow: 44.03 to 4403 GPM
- Power Source: None, Pump Only
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Supplier: Affetti Giuseppe & C. s.n.c
Description: , external and double flushed) with like standard version the solution with silicon carbide faces (Sic-Sic) and bellows (FPM-EPDM). The impellers installed are generally semi-open, but they are available in the closed version for hot liquids and without solids in suspension.
- Discharge Size: 16 to 20 inch
- Horsepower: 2.95 to 101 HP
- Maximum Discharge Flow: 44.03 to 1101 GPM
- Power Source: None, Pump Only
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Supplier: Affetti Giuseppe & C. s.n.c
Description: standard version with faces in Silicon Carbide (SIC-SIC) and bellow elastomer (FPMEPDM). The impellers installed are generally semi-open, but they are available in the closed version for hot liquids and without solids in suspension.
- Discharge Size: 1 inch
- Horsepower: 0.7371 to 73.71 HP
- Maximum Discharge Flow: 22.01 to 1101 GPM
- Power Source: None, Pump Only
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Supplier: MP Pumps, Inc.
Description: designed for achieving higher heads and efficiencies than a standard semi-open impeller. Multiple impeller trims allow the ChemFlo® 7 to meet most duty points up to 200 GPM and total head up to 280 feet. Several mechanical seal options are available in addition to the standard
- Discharge Size: 1 to 2 inch
- Horsepower: 15 HP
- Maximum Discharge Flow: 200 GPM
- Power Source: None, Pump Only, DC Powered, Hydraulic
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Supplier: MP Pumps, Inc.
Description: designed for achieving higher heads and efficiencies than a standard semi-open impeller. Multiple impeller trims allow the ChemFlo® 8 to meet most duty points up to 350 GPM and total head up to 290 feet. Several mechanical seal options are available in addition to the standard
- Discharge Size: 1.5 to 3 inch
- Horsepower: 25 HP
- Maximum Discharge Flow: 350 GPM
- Power Source: None, Pump Only, DC Powered, Hydraulic
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Supplier: MP Pumps, Inc.
Description: designed for achieving higher heads and efficiencies than a standard semi-open impeller. Multiple impeller trims allow the ChemFlo® 6 to meet most duty points up to 500 GPM and total head up to 157 feet. Several mechanical seal options are available in addition to the standard
- Discharge Size: 2 to 3 inch
- Horsepower: 15 HP
- Maximum Discharge Flow: 500 GPM
- Power Source: None, Pump Only, DC Powered, Hydraulic
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Supplier: MP Pumps, Inc.
Description: designed for achieving higher heads and efficiencies than a standard semi-open impeller. Multiple impeller trims allow the ChemFlo® 5 to meet most duty points up to 305 GPM and total head up to 157 feet. Several mechanical seal options are available in addition to the standard
- Discharge Size: 1.5 to 2 inch
- Horsepower: 10 HP
- Maximum Discharge Flow: 305 GPM
- Power Source: None, Pump Only, DC Powered, Hydraulic
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Supplier: Gusher Pumps
Description: Suction Lifts to 20 feet. Semi-Open Impellers Priming and Air Separation Accomplished Within Casing. No External Valves, Air Separator or Priming Chamber Required. 316 S.S. Shaft Sleeve and Mechanical Seal Standard Available in Stainless Steel and
- Type Of Pump: Centrifugal Pumps
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Supplier: Affetti Giuseppe & C. s.n.c
Description: primary label seals (internal, external and double flushed) in standard version with faces in Silicon Carbide (SIC-SIC) and bellow elastomer (FPM-EPDM). The impellers installed are generally semi-open, but they are available in the closed version for hot liquids and without solids in
- Discharge Size: 1 inch
- Horsepower: 0.7371 to 24.79 HP
- Maximum Discharge Flow: 22.01 to 528 GPM
- Power Source: None, Pump Only
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Supplier: Alfa Laval Inc.
Description: environment. Specially designed semi-open impeller with balance holes that optimize the flow on the back of the impeller and contribute to the high cleanability of the shaft seal as well as of the pump itself. Increased flow around the shaft seal also provides good
- Horsepower: 1.5 to 25 HP
- Maximum Discharge Pressure: 87.02 psi
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Supplier: Hydromatic by Pentair
Description: Engineered for low pressure sewer system applications, durable motor will deliver many years of reliable service, semi-open impeller provides steep non-overloading operating curve
- Discharge Size: 1.25 to 3 inch
- Horsepower: 2 to 7.5 HP
- Pump Type / Application: Grinder Pumps, Submersible Pumps, Wastewater Treatment Pumps, Wastewater
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Supplier: Johnson Pump, An SPX Brand
Description: The KGE is a self-priming centrifugal pump with radial (semi-open or closed) impeller, overhung mounted on a bearing pedestal. If a spacer type coupling is used, the pump can easily be dismantled without it being necessary to disturb the pipings or to move the
- Maximum Discharge Pressure: 116 psi
- Maximum Discharge Flow: 352 to 440 GPM
- Power Source: DC Powered
- Pump Type / Application: Water Pumps, Wastewater
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Supplier: Price Pump Company
Description: Compact close coupled design. Standard NEMA 56C motors. Semi-open high efficiency impeller design on all models. Mechanical Seal: AI, BF, AB: 5/8" Type 6A Buna, carbon vs. ceramic. Mechanical Seal: SS: 5/8" Type 21 Viton, carbon vs. ceramic. Flourocarbon Type 21 and PTFE Type 9 single
- Discharge Size: 3 inch
- Maximum Discharge Pressure: 75 to 150 psi
- Maximum Discharge Flow: 400 GPM
- Power Source: AC Powered, Air / Pneumatic
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Supplier: Cole-Parmer
Description: • Chamber in front of pump housing enables self-priming operation • Self-cleaning, semi-open impellers Lift fluids up to 20 feet with self-priming capability
- Horsepower: 3 HP
- Maximum Discharge Pressure: 75 psi
- Maximum Discharge Flow: 125 GPM
- Power Source: AC Powered
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Supplier: Cole-Parmer
Description: • Chamber in front of pump housing enables self-priming operation • Self-cleaning, semi-open impellers Lift fluids up to 6 feet with self-priming capability
- Horsepower: 2 HP
- Maximum Discharge Pressure: 75 psi
- Maximum Discharge Flow: 129 GPM
- Power Source: AC Powered
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Supplier: Cole-Parmer
Description: • Chamber in front of pump housing enables self-priming operation • Self-cleaning, semi-open impellers Lift fluids up to 20 feet with self-priming capability
- Horsepower: 1 HP
- Maximum Discharge Pressure: 75 psi
- Maximum Discharge Flow: 78 GPM
- Power Source: AC Powered
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Supplier: Cole-Parmer
Description: • Chamber in front of pump housing enables self-priming operation • Self-cleaning, semi-open impellers Lift fluids up to 20 feet with self-priming capability
- Horsepower: 0.7500 HP
- Maximum Discharge Pressure: 75 psi
- Maximum Discharge Flow: 59 GPM
- Power Source: AC Powered
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Supplier: Price Pump Company
Description: Compact close coupled design. Standard NEMA 56C motor. Mechanical seal: 3/4" Type 21 Buna, carbon vs. ceramic standard on cast iron pumps; 3/4" Type 21 Fluorocarbon, ceramic vs. carbon is standard on 316SS pumps. Self priming pump. Optional seal face materials and elastomers
- Discharge Size: 1.5 inch
- Maximum Discharge Pressure: 41 psi
- Maximum Discharge Flow: 150 GPM
- Power Source: AC Powered, Air / Pneumatic
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Supplier: Myers by Pentair
Description: The Myers® submersible grinder pumps are designed specifically for use in today's complex wastewater environment. They features an advanced cutting technology and semi-open impeller design to effectively macerate typical domestic sewage solids into a fine slurry. Grinder
- Discharge Size: 1.25 inch
- Horsepower: 2 HP
- Maximum Discharge Pressure: 318 to 397 psi
- Maximum Discharge Flow: 70 GPM
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Supplier: Crane Pumps & Systems
Description: Circulation Paint Systems Plating Air Washers Pollution Control Features: Casing - Vertically split, end suction design. Double volute type on pumps with 3” and larger discharge. Impeller - Series 5560 pumps have semi-open
- Discharge Size: 1 to 10 inch
- Horsepower: 1 to 75 HP
- Maximum Discharge Flow: 3600 GPM
- Pump Type / Application: Cantilever Pumps
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Supplier: Myers by Pentair
Description: A rugged series of submersible cast iron pumps with a non-clog, semi-open impellers and solids handling capability to 3/4". Impeller -- Vortex style, pump out vanes for seal protection Cord Design -- Easily replacable with optional lengths available Serviceability
- Discharge Size: 1.5 to 2 inch
- Horsepower: 0.4000 to 1 HP
- Maximum Discharge Pressure: Up to 286 psi
- Maximum Discharge Flow: Up to 110 GPM
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Supplier: EBARA Pumps Americas Corporation
Description: The model DVSU, DVSHU submersible pumps are constructed of rugged cast iron suitable for effluent and sewage applications. The model DVS(H)U has a semi-open vortex impeller suited for pumpage containing abrasive, stringy and/or suspended solids. The model DVSHU can handle hot
- Discharge Size: 2 to 3 inch
- Horsepower: 0.5000 to 5 HP
- Maximum Discharge Pressure: 23.07 to 185 psi
- Maximum Discharge Flow: 7 to 250 GPM
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Supplier: KSB AG
Description: Design Horizontal, radially split volute casing pump in back pull-out design to EN 22 858 / ISO 2858 / ISO 5199, single-stage, single-entry, with radial impeller. Also available as variant with #wet# shaft, conical seal chamber and/or semi-open impeller (CPKNO) with motor
- Horsepower: 4.29 HP
- Maximum Discharge Pressure: 363 psi
- Maximum Discharge Flow: 4.4 to 21.13 GPM
- Power Source: AC Powered
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Supplier: KSB AG
Description: Design Horizontal, radially split volute casing pump in back pull-out design to EN 22 858 / ISO 2858 / ISO 5199, single-stage, single-entry, with radial impeller. Also available as variant with #wet# shaft, conical seal chamber, heatable volute casing (CPKNO-CHs) and/or
- Horsepower: 4.29 HP
- Maximum Discharge Pressure: 363 psi
- Maximum Discharge Flow: 4.4 to 21.13 GPM
- Power Source: AC Powered
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Supplier: Cornell Pump Company
Description: Cornell offers over 60 models of heavy duty Solids Handling pumps for the toughest Slurry applications. With three unique impeller designs (Enclosed, Semi-Open & DELTA™) to select from, various materials of construction and mounting configurations, Cornell has a model that will
- Discharge Size: 3 to 30 inch
- Maximum Discharge Flow: 5000 to 40000 GPM
- Pump Type: Centrifugal Pumps
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Supplier: Goulds Water Technology, a xylem brand
Description: feet TDH Built-in overload with automatic reset Water resistant power cords, rated for high temperature Models have NEMA style three prong grounding plugs Features and Benefits Impeller: Cast iron, semi-open, non-clog with pump-out vanes
- Pump Type / Application: Sump Pumps, Water Pumps
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Supplier: Serfilco, Ltd.
Description: standard NEMA 'C' face (.75 - 5.0 HP) • Centrifugal - quiet, vibration-free • Shaft vapor seal protects motor bearings and atmosphere Specifications The Series 'ECI' and 'ESS' ver tical pumps feature a high efficiency semi-open impeller, cast construction for
- Type Of Pump: Centrifugal Pumps
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Supplier: Serfilco, Ltd.
Description: (.75 - 5.0 HP) • Centrifugal - quiet, vibration-free • Shaft vapor seal protects motor bearings and atmosphere Specifications The Series 'ECI' and 'ESS' ver tical pumps feature a high efficiency semi-open impeller, cast construction for superior strength and
- Type Of Pump: Centrifugal Pumps
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Supplier: Serfilco, Ltd.
Description: • Centrifugal, quiet, vibration-free • Motors are standard NEMA C face, TEFC Specifications The Series 'RC' horizontal pump is a compact close-coupled design. A high efficiency, semi-open cast iron impeller allows for less clogging and quick cleaning. The
- Type Of Pump: Centrifugal Pumps
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Supplier: Serfilco, Ltd.
Description: fiber gaskets and cast iron mounting bracket. They feature a semi-open impeller which is also constructed of SS 316. Motors are standard NEMA 56C face, 3450 RPM @ 60 Hz or 2850 RPM @ 50 Hz, TEFC. After initial prime, the Series 'SP' pump will lift up to 20 vertical feet (6.1m)
- Type Of Pump: Centrifugal Pumps
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Supplier: Goulds Water Technology, a xylem brand
Description: residential applications. Anti-Roping Design Cutter System. Silicon Bronze semi-open impeller with non-overloading two vane design and pump-out vanes for mechanical seal protection. Cast Iron Volute type casing for high efficiency. Designed for continuous operation.
- Pump Type / Application: Grinder Pumps, Wastewater Treatment Pumps, Wastewater
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Supplier: Goulds Water Technology, a xylem brand
Description: Applications Designed for high head sewage applications where a gravity system is not practical Ideal for pressure sewage systems Features and Benefits Silicon bronze, multi-vane semi-open impeller with pump-out vanes for mechanical
- Pump Type / Application: Grinder Pumps, Submersible Pumps, Wastewater Treatment Pumps, Wastewater
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Supplier: Armstrong International
Description: steel. The single stage impeller is of semi-open design allowing for occasional pumping of small solids without clogging. Pump is permanently aligned to the electric motor, never requiring alignment at the job site. Pumps are furnished with 250°F mechanical seals,
- Pump Type / Application: Condensate Pumps
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: Two-Vane Impeller: Semi-open design accommodates up to 3" diameter solids, with pump-out vanes to minimize material buildup and reduce pressure on seals and bearings. Multivane Impeller and Slim-Line Impeller: Available in various hydraulics for (read more)
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-clogging performance. The Triton screw centrifugal pump’s open channel impeller is ideal for handling thick sludges, large or stringy solids, shear sensitive fluids and delicate or highly abrasive materials. Features include: Steep performance (read more)
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More Information Top
Indicates content that may require registration and/or purchase.
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Research on performance of centrifugal pump with different-type open impeller
Sun Sun et al. [5] measured and ana- lyzed the internal flow of the semi - open impeller cen- trifugal pump at three flow rates (small flow rate, design flow rate and large flow rate) by PIV flow measure- ment technology.
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Internal flow numerical simulation of double-suction centrifugal pump using DES model
Shao [5]applied DES model to a semi - open centrifugal pump impeller and compared the results with PIV experimental data.
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Calculation and optimization of parameters in low-flow pumps
The analysis of the balance tests for centrifugal pumps with semi - open impellers confirmed the admissibility of dependence (5) in calculation of the value .
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Centrifugal Pumps
Lauer, J., et al.: Tip clearance sensitivity of centrifugal pumps with semi - open impellers .
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Centrifugal Pumps
Fortschritt- ber VDI Reihe 7, 269 (1995) 3.24 Lauer J et al.: Tip clearance sensitivity of centrifugal pumps with semi - open impel- lers .
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Centrifugal Pumps
3.24 Lauer J et al.: Tip clearance sensitivity of centrifugal pumps with semi - open impel- lers .
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Impact of tip clearance flow on centrifugal pump impeller performance
[12] Lauer, J., Ludwig, G., Jaeger, R., and Stoffel, B., "Tip Clearance Sensitivity of Centrifugal Pumps with Semi - Open Impeller ", 1997 ASME Fluids Engineering Division Summer Meeting, FEDSM97-3366.
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Cavitation in semi-open centrifugal impellers for a miniature pump
Keywords miniature pump , semi - open centrifugal impeller , leaned blade, flow upstream of impeller inlet, cavitation performance .
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Study on the influence of back blade shape on the wear characteristics of centrifugal slurry pump
Tao [5] used the multiphase model to simulate the abrasion conditions of the impeller in a semi - open centrifugal pump , and the simulation results were also confirmed by the rapid wear test.
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Improvement of Hemocompatibility in Centrifugal Blood Pump With Hydrodynamic Bearings and Semi‐open Impeller: In Vitro Evaluation
Photographs of the hydrodynamic levitation centrifugal blood pump with semi - open impeller (HH100 series).