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Supplier: Traceable® Products
Description: processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50 PSI and -40 to 126°C. Autoclavable, zero maintenance, 1-1/4 inch length unit installs in any position. Prevents damage to equipment, pumps, and flow systems by preventing
- Maximum Discharge Flow: 0.6250 GPM
- Media Temperature: 200 F
- Power Source: AC Powered
- Pump Type: Other
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Supplier: Gardner Denver, Inc.
Description: -of-the-art dry running technology that excels when it comes to small carbon footprint and low life cycle costs. It is used in a variety of industrial applications such as drying and packaging. Centrifugal pumps suitable for the conveyance of clear or slightly cloudy, chemically
- Pump Type: Centrifugal Pumps, Diaphragm Pumps, Gear Pumps, Peristaltic Pumps, Piston / Plunger Pumps, Positive Displacement Pumps, Wastewater Treatment Pumps
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Supplier: Neptune Chemical Pump Co., Inc.
Description: hazardous atmospheres. These pumps are especially popular in oil/gas production, oil recovery and refineries. Typical applications include the injection of antifoam agents, corrosion inhibitors and other additives injected at very low volumes but high pressures. (Refer to curves
- Discharge Size: 0.5000 inch
- Maximum Discharge Pressure: 3000 psi
- Maximum Discharge Flow: 0.0083 GPM
- Media Temperature: 200 F
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Supplier: Witte Pumps & Technology GmbH
Description: reliability and metering precision in both vacuum and high pressure applications. Typical areas of application for this type of pump are to be found in the chemical, cosmetic, food industry, and in the petrochemical industry. The CHEM MINI takes fine metering tasks with high
- Maximum Discharge Pressure: 1740 psi
- Maximum Discharge Flow: Over 2 GPM
- Media Temperature: 580 F
- Power Source: None, Pump Only
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Supplier: GRI Pumps (A Gorman-Rupp Company)
Description: Piston diaphragm pumps are positive displacement pumps designed to economically transfer small volumes of fluid at low discharge pressures. The lightweight, compact pumps are self-priming, corrosion resistant and can handle viscous fluids. These features make the
- Discharge Size: 0.1875 inch
- Maximum Discharge Pressure: 2.6 psi
- Maximum Discharge Flow: 0.0040 GPM
- Media Temperature: 200 F
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Supplier: Witte Pumps & Technology GmbH
Description: Thanks to its pioneering design and precisely matched material composition, our innovative ChemCore plus pump achieves uniform pressure even at low viscosities and consistently over a wide temperature range. It is particularly suitable for applications where pulsation-free
- Maximum Discharge Pressure: 1450 psi
- Media Temperature: 572 F
- Power Source: None, Pump Only
- Pump Type: Gear Pumps, Positive Displacement Pumps
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Supplier: U.S. Plastic Corporation
Description: easily changed in the field without the need for any tools. Induction rates remain constant without regard to fluctuations in flow and pressure. Low maintenance pump is easy to install and service. Units are equipped with a valve to turn chemical draw on and off. Inline
- Type Of Pump: Dosing Pumps
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Supplier: U.S. Plastic Corporation
Description: easily changed in the field without the need for any tools. Induction rates remain constant without regard to fluctuations in flow and pressure. Low maintenance pump is easy to install and service. Units are equipped with a valve to turn chemical draw on and off. Inline
- Type Of Pump: Dosing Pumps
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Supplier: FLSmidth
Description: Fuller®-Kinyon™ Screw Pump High performance Low maintenance Maximum efficiency Fuller®-Kinyon™ Type M Pumps are constructed of cast iron and steel, and mounted on a cast iron base. Type M pumps are equipped with ball
- Pump Type: Screw Pumps
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Supplier: Pump Solutions Group
Description: Neptune Model 481-S and 501-S hydraulic diaphragm metering pumps are built to deliver very low flows, repeatable and accurate ranging down to quarts per day. Discharge pressures are higher than are possible with mechanical diaphragm pumps. Explosion-proof models are
- Pump Type: Metering Pumps
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Supplier: Milton Roy
Description: over 80 years of metering pump expertise, the Milton Roy SOLAROY® metering pump is designed and built to perform consistently with the results you expect every day. Performance by the numbers Flow rates from 10.1 gpd (38.2 l/d) up to 56 gpd (211 l/d) in simplex configuration.
- Maximum Discharge Pressure: 100 to 5000 psi
- Maximum Discharge Flow: 0.0070 to 0.0389 GPM
- Pump Type: Dosing Pumps, Injection Pumps
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Supplier: Witte Pumps & Technology GmbH
Description: CHEM – high precision gear pump for conveying low to medium viscosity fluids CHEM gear pump for conveying and metering of fluids with low medium viscosity. The application range goes from classic transfer and metering tasks in the chemical and pharmaceutical
- Maximum Discharge Pressure: 1740 psi
- Maximum Discharge Flow: 2 to 20 GPM
- Media Temperature: 580 F
- Power Source: None, Pump Only
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Supplier: Pump Solutions Group
Description: break a seal created by center block Glyd™ rings. When this seal is broken, a low-pressure area is created at one end of the air valve body causing the piston to shift up or down vertically alternately supplying each air chamber with pressurized air to displace each diaphragm. Air valve
- Pump Type: Submersible Pumps
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Supplier: Trebor International
Description: The Model 110 has been on the market for over 15 years, proving to be an industry standard for low flow, high purity applications. It was originally designed with small footprints in mind. Because of the pump design and the internal air control valves, the 110 is one of the smallest
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 5.5 GPM
- Media Temperature: 212 F
- Power Source: Air / Pneumatic
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Supplier: Thomas An Ingersoll Rand Business
Description: , low cost DC, AC and stepper motor) Possible Applications Chemical Industry Medical Devices Laboratory and Analysis Industrial Applications Hygiene
- Maximum Discharge Pressure: 11.38 psi
- Maximum Discharge Flow: 0.0042 to 0.0211 GPM
- Media Temperature: 122 F
- Power Source: AC Powered, DC Powered
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Supplier: Sulzer Ltd.
Description: . Applications Low pressure unit charge Atmospheric or Vacuum Bottoms High temperature Oil Sands processing with abrasive resistant coatings Boiler Feed booster Seawater booster for critical services High-temperature vacuum bottoms Low
- Discharge Size: 1 to 16 inch
- Maximum Discharge Pressure: 3460 psi
- Maximum Discharge Flow: 4 to 22000 GPM
- Media Temperature: -40 to 800 F
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Supplier: Pentair Engineered Solutions
Description: Key Features Apco regenerative turbine pumps are ideal for handling high head/low flow requirements, liquids entrained with gases and vapors (up to 20%) and constant flows Applications include boiler feed, condensate return, cooling systems, booster systems, jockey pumps
- Maximum Discharge Pressure: 399 psi
- Maximum Discharge Flow: 50 GPM
- Media Temperature: 275 F
- Pump Type: Centrifugal Pumps
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Supplier: KSB AG
Description: Design Single-stage volute casing pump, ratings to EN 733, for vertical installation in closed tanks under atmospheric pressure. Up toan immersion depth of 2000 mm. Applications Handling of neutral degreasing and phosphatizing solutions, wash water with degreasing
- Maximum Discharge Pressure: 145 psi
- Maximum Discharge Flow: 13.21 to 3258 GPM
- Media Temperature: 158 F
- Power Source: AC Powered
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Supplier: Diener Precision Pumps LP
Description: , simplifying the plumbing and conserving valuable space. The conventional magnetic coupling strength can be varied to meet your pressure limits, and an optional internal pressure relief valve provides additional overpressurization protection. The brush-type DC motor is oversized and
- Discharge Size: 0.1250 inch
- Maximum Discharge Pressure: 87.02 to 102 psi
- Maximum Discharge Flow: 0.2642 GPM
- Media Temperature: -4 to 212 F
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Supplier: U.S. Plastic Corporation
Description: High volume delivery at low pressure makes pumping chemicals safer. Double action means you get delivery on both the up, and down stroke. Two fingers on the handle is all the energy required to pump viscous fluids or harsh acid or alkali cleaning chemicals.
- Type Of Pump: Drum Pumps
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Supplier: Cole-Parmer
Description: • Deliver precise volumes at pressures up to 6000 psi • Ideal for use in HPLC applications • Pulse dampener significantly reduces pulsation with low dead volume Chemical resistant 316 stainless steel pump head resists corrosion Digital pump provides precise
- Maximum Discharge Pressure: 2500 psi
- Maximum Discharge Flow: 0.0026 GPM
- Power Source: AC Powered
- Pump Type: Plunger Pumps
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Supplier: U.S. Plastic Corporation
Description: High volume delivery at low pressure makes pumping chemicals safer. Double action means you get delivery on both the up, and down stroke. Two fingers on the handle is all the energy required to pump viscous fluids or harsh acid or alkali cleaning chemicals.
- Type Of Pump: Drum Pumps
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Supplier: Cole-Parmer
Description: • Ideal for low-flow, higher pressure applications where precision is needed • Greater than 100 lbs of linear force • Higher pressure syringe clamps • RS-232 connectivity for interface to a remote computer These syringe pumps more than double the linear
- Type Of Pump: Syringe Pumps
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Supplier: Cole-Parmer
Description: • Ideal for low-flow, higher pressure applications where precision is needed • Greater than 100 lbs of linear force • Higher pressure syringe clamps • RS-232 connectivity for interface to a remote computer These syringe pumps more than double the linear
- Type Of Pump: Syringe Pumps
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Supplier: Cole-Parmer
Description: • Ideal for low-flow, higher pressure applications where precision is needed • Greater than 100 lbs of linear force • Higher pressure syringe clamps • RS-232 connectivity for interface to a remote computer These syringe pumps more than double the linear
- Type Of Pump: Syringe Pumps
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Supplier: jbj Techniques Limited
Description: Non lubricating low and medium viscosity and corrosive fluids. Suitable for water, light chemical and petrochemical products, fuel and heavy oils. Admissible delivery pressure (continuous) 16 bar at 1000 to 3600 rpm.
- Maximum Discharge Pressure: 580 psi
- Maximum Discharge Flow: 5280 GPM
- Media Temperature: 32 to 572 F
- Power Source: None, Pump Only
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Supplier: SEEPEX Inc.
Description: SEEPEX BTQ range pumps have a wide square inlet and an identical footprint to the BN range pumps. Conveying Medias For medium to highly viscous products with low flowability Properties Conveying capacity: 50 l/h – 100 m³/h (0
- Discharge Size: 6 inch
- Maximum Discharge Pressure: 350 psi
- Maximum Discharge Flow: 440 GPM
- Power Source: None, Pump Only
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Supplier: Pump Solutions Group
Description: strong suction power • Ability to of draining the pipes (Inlet and outlet) • Ability to run dry • Low shearing • Maintains delivery/pressure performance over time • Outstanding volumetric efficiency • Pumped product constantly renewed
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Supplier: Pump Solutions Group
Description: Your solutions for continuous transfer and low-flow metering (?800 liters/h) 3 bars and 15 bars pressure. Features • Leak free pumping without the need for magnetic couplings • or mechanical seals • Excellent Self-priming • Ability
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Supplier: Pentair Engineered Solutions
Description: Key Features "APCO-CHEM" 150 series Pumps for Low Flow High Pressure Applications Lower Operating Costs than Standard Centrifugal Pumps at Low Flow Conditions Steep Head Capacity Curves for Applications that Require Minimal Flow Change Steady Flow
- Maximum Discharge Pressure: 520 psi
- Maximum Discharge Flow: 130 GPM
- Type of Pump: Centrifugal Pumps, Turbine Pumps
- Water Temperature: 500 F
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Supplier: Chemac Inc./Uraca/Uhde HPT/Gather/BHDT
Description: and industrial pumps P3-80, P5-80 and P780 have been designed for all conceivable pumping tasks in the range of high and ultra-high pressures: Low-viscosity to pasty Alkaline to acidic Neutral to toxic Clean to abrasive URACA KD Series
- Pump Type: Piston / Plunger Pumps, Positive Displacement Pumps
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Supplier: Xylem Applied Water Systems
Description: 80 Size Stainless Steel Pedestal Pump Flow rate: Nominal 21.8 USgallons/min at 1750rpm Self-priming from dry up to 2.4m (7.8ft) Pressure up to 1.5 bar Model No.: 30520-0xxx Easy to service and maintain. Will tolerate abrasive wear
- Discharge Size: 1 inch
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 22 GPM
- Media Temperature: 180 F
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Supplier: Xylem Applied Water Systems
Description: 80 Size Stainless Steel Pump Head Kit Flow rate: Nominal 21.8 USgallons/min at 1750rpm Self-priming from dry up to 2.4m (7.8ft) Pressure up to 1.5 bar Model No.: 30520-2xxx Easy to service and maintain. Will tolerate abrasive wear
- Discharge Size: 1 inch
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 22 GPM
- Media Temperature: 180 F
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Supplier: Traceable® Products
Description: processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50 PSI and -40 to 126°C. Autoclavable, zero maintenance, 1-1/4 inch length unit installs in any position. Prevents damage to equipment, pumps, and flow systems by preventing
- Maximum Discharge Flow: 0.0022 GPM
- Power Source: AC Powered
- Pump Type: Peristaltic Pumps, Positive Displacement Pumps
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Description: Engineered for closed-circuit applications, P1 Medium Pressure Mobile Pumps increase productivity and improve the working environment with a robust cradle-bearing design, wide temperature range, full power thru-drive capability and an optional torque limiter. Featuring unique “ripple
- Housing Material: Cast Iron
- Maximum Discharge Pressure: 4000 psi
- Maximum Discharge Flow: 73 GPM
- Media Temperature: -40 to 200 F
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Supplier: Xylem Applied Water Systems
Description: 40 Size Stainless Steel Pedestal Pump Flow rate: Nominal 8.2 USgallons/min at 1750rpm Self-priming from dry up to 2.4m (7.8ft) Pressure up to 1.5 bar Model No.: 30510-0xxx Easy to service and maintain. Will tolerate abrasive wear
- Discharge Size: 0.7500 inch
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 8.2 GPM
- Power Source: None, Pump Only
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Supplier: Xylem Applied Water Systems
Description: 370 Size Stainless Steel Pedestal Pump Flow rate: Nominal 105 USgallons/min at 1750rpm Self-priming from dry up to 2.4m (7.8ft) Pressure up to 1.5 bar Model No.: 30540-0xxxx Easy to service and maintain. Will tolerate abrasive wear
- Discharge Size: 2 inch
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 105 GPM
- Power Source: None, Pump Only
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Supplier: jbj Techniques Limited
Description: Non lubricating low and medium viscosity and corrosive fluids. Suitable for water, light chemical and petrochemical products, fuel and heavy oils. Admissible delivery pressure (continuous) 10 bar at 1000 to 3600 rpm.
- Maximum Discharge Pressure: 580 psi
- Maximum Discharge Flow: 2640 GPM
- Media Temperature: 32 to 572 F
- Power Source: None, Pump Only
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Supplier: Wanner Engineering, Inc.
Description: Applications Vector Peristaltic Pumps Features: Dry pump cavity Self-priming operation Runs dry without damage Complete isolation of fluid pumped Heavy-duty roller bearings Variety of pump configurations, flows, and pressure ratings No seals, cups or packing to
- Discharge Size: 1.5 inch
- Maximum Discharge Pressure: 50 psi
- Maximum Discharge Flow: 5.9 GPM
- Media Temperature: 180 F
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Supplier: Wanner Engineering, Inc.
Description: Applications Vector Peristaltic Pumps Features: Dry pump cavity Self-priming operation Runs dry without damage Complete isolation of fluid pumped Heavy-duty roller bearings Variety of pump configurations, flows, and pressure ratings No seals, cups or packing to
- Discharge Size: 4 inch
- Maximum Discharge Pressure: 100 psi
- Maximum Discharge Flow: 120 GPM
- Media Temperature: 180 F
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Supplier: Wanner Engineering, Inc.
Description: Applications Vector Peristaltic Pumps Features: Dry pump cavity Self-priming operation Runs dry without damage Complete isolation of fluid pumped Heavy-duty roller bearings Variety of pump configurations, flows, and pressure ratings No seals, cups or packing to
- Discharge Size: 1.5 inch
- Maximum Discharge Pressure: 60 psi
- Maximum Discharge Flow: 14.1 GPM
- Media Temperature: 180 F
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Supplier: Wanner Engineering, Inc.
Description: Applications Vector Peristaltic Pumps Features: Dry pump cavity Self-priming operation Runs dry without damage Complete isolation of fluid pumped Heavy-duty roller bearings Variety of pump configurations, flows, and pressure ratings No seals, cups or packing to
- Discharge Size: 1 inch
- Maximum Discharge Pressure: 45 psi
- Maximum Discharge Flow: 2.52 GPM
- Media Temperature: 180 F
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Supplier: KNF Neuberger, Inc.
Description: pump types offer oil-free operation. Highlights Flow Rate (max.): 35 l/min Pressure (max.): 7 bar (rel.) Vacuum (max.): 120 mbar (abs.) Benefits Excellent reliability Contamination free transfer Low sound
- Maximum Discharge Pressure: 102 psi
- Maximum Discharge Flow: 9.24 GPM
- Power Source: AC Powered
- Pump Type: Diaphragm Pumps, Positive Displacement Pumps
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Supplier: KNF Neuberger, Inc.
Description: dry Contamination free transfer Low sound level Excellent reliability Maintenance-free Special Features Diaphragm pump Low pulsation Applications Analytical instruments Chemical industry Gas analytics Lab equipment Vacuum technology
- Maximum Discharge Pressure: 1.45 psi
- Maximum Discharge Flow: 9.5 GPM
- Power Source: DC Powered
- Pump Type: Diaphragm Pumps, Positive Displacement Pumps
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Supplier: KNF Neuberger, Inc.
Description: -free Low sound level Special Features Diaphragm pump High IP class (>44) Applications Analytical instruments Chemical industry Gas analytics Vacuum technology Fuel cells
- Maximum Discharge Pressure: 14.5 psi
- Maximum Discharge Flow: 21.12 GPM
- Power Source: AC Powered
- Pump Type: Diaphragm Pumps, Positive Displacement Pumps
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Supplier: KNF Neuberger, Inc.
Description: resistant to aggressive media Self priming Special Features Low pulsation Diaphragm pump Hot gases Applications Automotive Analytical instruments Chemical industry Gas analytics Emission monitoring Vacuum technology
- Maximum Discharge Pressure: 21.76 psi
- Maximum Discharge Flow: 2.77 GPM
- Power Source: AC Powered
- Pump Type: Diaphragm Pumps, Positive Displacement Pumps
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Featured Products Top
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Turbine Pumps Type TPM The TPM sealless mag-drive turbine pumps offer high differential pressures at relatively low flow rates. Through the use of a VFD, to adjust the speed (read more)
Browse Chemical Pumps Datasheets for Dickow Pump Company, Inc. -
liquids which react on contact with the atmosphere. For all these services the containment shell replaces double acting mechanical seals, along with external fluid reservoirs and the necessary control equipment. HZSM / HZSMA-pumps therefore offer exceptional benefits to the chemical, petrochemical and (read more)
Browse Chemical Pumps Datasheets for Dickow Pump Company, Inc. -
-channel pump with its high differential head has the advantage of operating more economically than normal centrifugal pumps applied for low capacity and high heads. Due to these facts, the side-channel pumps are appropriate to solve many pumping problems in the chemical and petrochemical process (read more)
Browse Chemical Pumps Datasheets for Dickow Pump Company, Inc. -
General The DICKOW-pump, type SCM, is a one or multistage, self-priming horizontal side-channel pump with magnet coupling. The side-channel pump with its high differential head has the advantage of operating more economically than normal centrifugal pumps applied for low capacity and (read more)
Browse Chemical Pumps Datasheets for Dickow Pump Company, Inc. -
reservoirs and the necessary control equipment. HZSM / HZSMA-pumps therefore offer exceptional benefits to the chemical, petrochemical and allied industries and fulfill all environment protection rules. Due to the fact that 90% of pump failures are caused by leaking (read more)
Browse Chemical Pumps Datasheets for Dickow Pump Company, Inc. -
NMT Submersible Long Shaft Centrifugal Pump for the Chemical Industry The DICKOW® submersible mag-drive pump, type NMT, for the (read more)
Browse Submersible Pumps Datasheets for Dickow Pump Company, Inc. -
Reduce noise levels by an average of 15 dBA. Up to 20 dBA depending on pump size. The helical profile of the gears within the ELIKA® hydraulic gear pump, reduces pressure oscillations and (read more)
Browse Gear Pumps Datasheets for jbj Techniques Limited -
with most competitive equipment in the world. New SAMES Low-Pressure Air hoses are available in 3 diameters: Small (Airmix® guns): 6.5 mm (1/4’’) internal diameter Medium (Airspray guns and tanks, small pumps): 8 (read more)
Browse Air Hose and Air Duct Hose Datasheets for Sames North American Corporation -
materials and products with a strong record of performance and reliability. Its advanced manufacturing capabilities enable customized production tailored to specific customer requirements and specifications. Manufactured in Japan, Niimi’s products are recognized for their quality and dependability. The company’s components are also used in high-pressure pumps, which are designed to spray water in high-pressure washing systems. (read more)
Browse Piston Pumps and Plunger Pumps Datasheets for Niimi Ceramics Co., Ltd. -
Watch>>>Aerzen Rental - Contingency Planning For Low-Pressure Air Applications Aerzen Rental Machines (read more)
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Conduct Research Top
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MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
Microfluidic mixing using contactless dielectrophoresis. The first experimental evidence of mixing enhancement in a microfluidic system using. contactless dielectrophoresis (cDEP) is presented in this work. Pressure-driven flow of. deionized water containing 0.5 mm beads was mixed in various
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Your O-Ring Is A Problem, Why?
O-rings are most often the primary source of contamination in any vacuum system. An unprocessed, or "raw", O-ring will contain a great deal of water which is chemically formed during the manufacturing process. Additional solvents and plasticizers with low vapor pressures will also likely be present
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Interphex Stands Test of Time (and Economy)
magnetic drive seal-less design pump; VFD adjusts flow and automatically manages supply pressure; electric immersion heaters rated from 5 to 160 kW, low watt density design, flange mounted; and finger-safe electrical components. Offers custom air handling systems to address pharmaceutical
More Information Top
Indicates content that may require registration and/or purchase.
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Pulsed mode of COIL
It is obvious that at the same flowrate of chemicals higher pressure needs lower pump capacity.
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Autonomous Buoy for Offshore Well Control and Monitoring
The Hydraulic Power Unit (HPU) uses a low flow high pressure chemical injection pump driven by a 112 HP 24Vdc permanent magnet motor.
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Emergency Response Management of Offshore Oil Spills: Guidelines for Emergency Responders
The preferred and most effective method of application from a workboat is to use a low-volume, low - pressure pump so the chemical can be applied undiluted.
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Micro and Nano Fabrication
Diaphragm Electrode assembly Chemical getter pump to maintain low reference pressure .
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ASTM MNL59 - A Comprehensive Review of Lubricant Chemistry, Technology, Selection, and Design
Their listed attributes include sealing and lubricity required by the mechanical vacuum pumps , low vapor pressure , and chemical stability up to 230–260°C, or 450–500°F.
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Options and Special Considerations for Successful Deep-Water Well Testing of Heavy- and Low-Pour-Point Oils ? Case Histories
Additional assistance systems for testing and effluent management consist of a high-rate, high- pressure chemical injection pump , and two low -volume chemical-injection pumps with 5 barrels of storage for de-foaming and de- emulsifying chemicals.
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Deep Water Well Testing for Heavy- and Low-Pour-Point Oils - Issues, Options, Successful Methodology: Case Histories
Additional assistance systems for testing and effluent management consist of a high-rate, high- pressure chemical injection pump , and two low -volume chemical-injection pumps with 5 barrels of storage for de-foaming and de- emulsifying chemicals.
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Chapter 3: Synthetic and Biological (Natural) Base Stocks
Their listed attributes include sealing and lubricity required by the mechanical vacuum pumps , low vapor pressure , and chemical stability up to 230–260°C, or 450–500°F.
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Comparison of one-dimensional solutions with Fabri theory for ejectors
Ejectors are currently used to pump the low pressure effluent of cw chemical lasers [1].
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Surface and Interface Analysis
With adequate pumping , a pressure low enough for chemical ioniza- tion could be maintained therein.