Pump selection criteria ppt

The main application of the Reciprocating pump is discussed here. Reciprocating pumps are widely used for a long and in various industries. Proper selection in the proper industry is a vital role, improper selection results in repeatable works. The following industries are widely used reciprocating pumps: Oil drilling operations. There are two principle limitations for selecting the motor output: 1. Mechanical limitation. The breakdown torque, which is the maximum torque that the motor can produce when operating without stalling. This is a critical design factor in motor applications, particularly for the motors subjected to occasional extreme load conditions. Eligibility Criteria for TCS Off Campus Drive 2021: Students from BE/ B.Tech/ ME/ M.Tech/ MCA/ M.Sc from any specialization offered by a recognized university/ college are eligible. 2020 & 2021 batch only. % Criteria - Minimum aggregate (all subjects in all semesters) marks of 60% or 6 CGPA in each of Class Xth, Class XIIth, Diploma (if .... the inlet side of pump. This ability of the gear pump makes it an ideal choice when application requires that the pump be located above the liquid level, and the liquid must be lifted to the pump. Because a gear pump cannot create a perfect vacuum, the total lift (including pipe friction losses) should not exceed about 7.5 PSI, or one-half. 3. Site Selection for Shrimp Culture. The selection of a suitable site always play a major role in shrimp farming. The determination of a site for shrimp farming is made only after through analysis of information on topography, ecosystem, meteorological and socioeconomic conditions in relation to farm design, species compatibility and economic viability. Pump Efficiency is the ratio of pump input and output power. i.e Efficiency of the pump is the ratio water horse power to break horse power. Pump input power calculation formula or pump shaft power calculation formula. Pump Input Power = P. Formula – 1. P in Watt = Here. Q = Flow rate in m 3 /sec. H = Total developed head in meters = Density. Volute pumps are widely used in irrigation. They are of simple construction, the only moving parts being the impeller and shaft. The impeller is housed in a casing (volute). The volute pump most often used for irrigation purposes is the (radial-flow) centrifugal pump. It can be installed with the pump shaft in the vertical or horizontal position. The pump curves in Figure 3 illustrate the following pump options to choose. Option 1: 4 × 3 – 13 3,500 rpm. Installed cost of pump and motor: $20,000 for 3,500 rpm. Maintenance cost: 10% of installed cost per year. Motor efficiency: 65% (assumed) Option 2: 4 × 3 – 13 2,850 rpm. Installed cost of pump and motor: $40,000 for 2,850 rpm. Customized pump selection and analysis. Choose from over 6,000 sizes in Goulds extensive offering. Complete pump performance data and product information. Always contains the latest available data. Search by design point (flow rate and head), set limits, correct for viscosity and analyze pump performance. View family, system and single-line curves. 1) Positive Displacement Pump. In these types of pumps, the moving parts (gears, lobes, plungers, pistons, and rotors) drain fluid from the pump housing and increase the hydraulic pressure at the same time. Therefore, a positive displacement pump does not build up pressure. It just generates fluid flow. Below are process liquid properties that must be considered before selecting a pump. Liquid viscosity Temperature Specific gravity Vapor pressure Solids present & concentration Shear sensitive Abrasive or Non-abrasive 2. Materials of Construction. Nov 05, 2016 · The master plan should include: 1. Purpose and scope 2. Glossary 3. Responsibilities, such as user departments, management, QA 4. Method performance characteristics and approaches for testing 5. Steps for method validation 6. Selection of tests and acceptance criteria 7. Approach and parameters for system suitability testing 50. THANK YOU !!!. Compressors may be characterized in several different ways, but are commonly divided into types based on the functional method used to generate the compressed air or gas. In the sections below, we outline and present the common compressor types. The types covered include: Piston. Diaphragm. Helical Screw.

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B. Centrifugal pumps if installed with negative suction should be primed before starting. C. Pumps should be operated only within the recommended range of the head-discharge characteristics of the pump. • If pump is operated at a point away from duty. deliver to the boiler mounted pumps at a very low pressure. This transfer pump must be over sized by a factor of 1.5-2 to accommodate the extra flow required by the onboard pumps. Always check the flow of the fuel pump supplied by the manufacturer. On some boilers there can be a 5 to 10 times factor for the pump size compared with the burn rate. The fluid factor is obtained by using the weight of a gallon of water (8.33 lbs.) multiplied by the specific heat of the water (1.0) multiplied by 60 (minutes/hour). The first step in selecting a cooling tower is to determine the Nominal cooling tower load. Since a cooling tower ton is based on 15,000 BTU/Hr, the formula is: Nominal Load = GPM. The type of pumping stations can be (a) Horizontal pumps in dry pit, (b) Vertical pumps in dry pit, (c) Vertical pumps in suction well and (d) Submersible pumps in suction sump. All these types include a sewage-receiving sump, which is called suction sump or wet well. These types of pump arrangements are shown in Figure 3.1. Source: CPHEEO, 1993. The pumps may be oriented vertically or horizontally. BB (BB) 1 & 2 stage - One or two impellers and associated diffusers or volutes and return channels if required. (BB) Multistage - A pump with three or more impellers and associated diffusers or volutes and return channels if required. (BB3) (BB4) (BB5). Basic criteria for the selection of building technology a) Investment cost of the technology b) Time and cost saving c) Relatively better quality than the existing practice d) Convenient for huge construction projects e) Utilize mainly local building raw materials f) Reduce dependency on foreign currency g) Employ large quantity of workers h .... SRAC Publication No. 372 December 1994 Before you can select a pump that will fit your needs, you must know four things: 1) the total head or pressure against which it must operate, 2) the desired flow rate, 3) the suction lift, and 4) characteristics of the fluid. This selection chart is designed to help you find and specify the best pump for your service. Product Category Model Pump Type Nature of Pumpage Refer to Page Corrosive High Temperature 260°C(500°F) Abrasive Solids Non- Abrasive Fibrous/ Stringy PRO Services PRO Services Rotating Equipment Services34. 1. Select the pump based on rated conditions as per the data sheet. 2. Ideally the pump should have a suction specific speed of less than 11,000. 3. The BEP should be between the rated point and the normal operating point. 4. Remember that hydraulic efficiency is high at specific speed 2000 and 3000 and is low if the speed drops below 500. There are two principle limitations for selecting the motor output: 1. Mechanical limitation. The breakdown torque, which is the maximum torque that the motor can produce when operating without stalling. This is a critical design factor in motor applications, particularly for the motors subjected to occasional extreme load conditions. This course explains how Grundfos product Center makes otherwise very time-consuming processes like pump sizing and selection simple and fast, whether as a quick sizing based on application, design or pump family, sizing a specific application area such as renewables, or using your own evaluation criteria.. UN Supplier Code of Conduct Rev.06 – December 2017 3 9. Health and Safety: The UN expects its suppliers to ensure, so far as is reasonably practicable, that: (a) the workplaces, machinery .... Help with Gear Pumps specifications: The maximum flow the pump is designed to generate. This value is dependent on the system or pressure head the pump must enter. User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. The horizontal pumps are heavy-duty pumps made from cast parts. Whereas, vertical pumps are made from stamped stainless steel. Use vertical multistage pumps for pressures up to 900ft. For anything above that, a horizontal pump is preferred. It is easier to work on horizontal boiler feed pumps than vertical ones. Despite being bigger and heavier. A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic energy. Pumps can be classified into three major groups according to the method they use to move the fluid: direct lift, displacement, and gravity pumps. Pumps operate by some mechanism (typically reciprocating. STEP 5: Pump Type Selection-C Notes on Pump Selection: In most cases there will be two or three pumps that meet the volume and diameter requirements. A comparison of efficiencies, expected production changes and actual pump efficiencies are used to select the optimum pump. Other considerations are; • Availability of pump in customer inventory. SELECTION OF PUMPS. IMPORTANT POINTS TO CONSIDER WHILE SELECTING OF APUMP ARE; 1. Pump Material of construction, 3.NPSH, and 4. Working temperatures and cooling or flushing media plans size, 2. and various other features as governed by liquid to be pumped and pumping conditions; FOLLOW THE GUIDELINES; SUITABLE PUMP SIZE . 1. This receiver is in lineup with the vacuum trap where the vacuum is stored. In this way, vacuum in the reactor is developed using vacuum pump a and vacuum distillation in the reactor is performed. When vacuum distillation used? There is a number of reasons for selecting vacuum distillation which is also known as selection criteria. API Std 675 - Positive Displacement Pumps—Controlled Volume for Petroleum, Chemical, and Gas Industry Services. Covers the minimum requirements for reciprocating, controlled volume pumps, and pump units for use in the petroleum, petrochemical, and gas industry services. These pumps are either hydraulic diaphragm or packed plunger design.

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Patients with the clinical and biochemical signs and symptoms of hypoperfusion secondary to cardiac failure or cardiac arrest carry high short-term mortality.[1] Various mechanical circulatory devices have been developed to mitigate the adverse outcomes of cardiogenic shock until treating the underlying cause. To date, four types of mechanical. > Category 2 seal chamber, operating conditions and data requirements > Double seal with barrier fluid pressure higher than seal chamber pressure > Pusher type seal > API plans 11 + 53A Werb-Nr. 2791 2nc-cs CGSH-CGSH CSV CSD GBI Werb-Nr. 2795 3nc-bb CGSH-KD GBI 3NC-BB Non-Contacting – Back-to-Back Burgmann CGSH-KD (Type A) 2NC-CS Werb-Nr. 2792. This means that this pump will work correctly, always and when the level difference between the end of the suction pipe and the pump suction port is less than or equal to 6.5 m. In this example hs= 5 m, i.e. less than 6.5 m, hence the selected pump will work good. EXAMPLE 8 @ THEORETICAL SELECTION 2 STOREYS 1 STOREY hs=5m hg=hs+hi=5m+6m=11m hi=6m.

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Various types of pumps work in different working conditions and applications. The best practice to select a pump is to discuss your requirements in detail with the pump manufacturer. They can guide you and provide you various pump options. You should consider the following points during the selection of pumps for an application. Consult the installation and operation manuals for special fixtures for their required flow and pressures. Choose the number of pumps your system will utilize. For a small system below approximately 150 gpm, two pumps will suffice. Typically, a system is designed with a minimum of two pumps. Pump Operation A pump is selected for an application to produce a desired flow and head. The performance curve of a typical radial centrifugal pump is illustrated in the figure 1.6. The curve shows the head, efficiency, power requirements, and net Positive Suc-tion Head required (NPSH r) of the pump versus the flow. Figure 1.5. Pump Operation A pump is selected for an application to produce a desired flow and head. The performance curve of a typical radial centrifugal pump is illustrated in the figure 1.6. The curve shows the head, efficiency, power requirements, and net Positive Suc-tion Head required (NPSH r) of the pump versus the flow. Figure 1.5. This guideline is published as a supplement supported by KDIGO. The development and publication of this guideline are strictly funded by KDIGO, and neither KDIGO nor its guideline Work Group members sought or received monies or fees from corporate or commercial entities in connection with this work. The opinions or views expressed in this professional education supplement are those of the .... deliver to the boiler mounted pumps at a very low pressure. This transfer pump must be over sized by a factor of 1.5-2 to accommodate the extra flow required by the onboard pumps. Always check the flow of the fuel pump supplied by the manufacturer. On some boilers there can be a 5 to 10 times factor for the pump size compared with the burn rate. Make sure your pump purchase fits your needs by using this online pump selection software for PumpWorks API 610, ANSI Process, and Industrial pumps. Toll Free: 855.979.9139 Menu. Optimum size is the smallest of pipe sizes suitable for specific application, which is cost-effective throughout the service life of the system. Pipe throughput is calculated by the formula: Q = (π·d²)/4 · v. Q - transferred fluid flow rate; d - pipeline diameter; v - flow velocity.

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8 Solar pumping for irrigation: Improving livelihoods and sustainability receding by 0.3 metres per annum, thus requiring even more energy for pumping purposes (Casey, 2013). Over 18% of total electricity consumption and over 5% of total diesel consumption in India is already used for irrigation purposes (Central Electricity Authority (CEA),. An engine is attached to the axis, which then rotates the pump impeller, which is reminiscent of an old ship’s “water wheel”. The rotation moves the water from its entry point through the casing, and finally to the exit. While most pumps are used for water, centrifugal pumps are also used for sewage, petroleum, and chemicals. Electric Motor Selection and Sizing 33.2 Motor Sizing #2 • Each specific electric motor will have its own characteristic torque-speed “curve” Speed, ω Torque, τ AC Motor PMDC Motor Universal Motor Motor Sizing #3 Each type of load will have its own torque - speed requirements Speed, ω Torque, τ Constant Pumps and Fans Viscous Friction. The management of pain in patients with chronic kidney disease (CKD) is challenging for many reasons. These patients have increased susceptibility to adverse drug effects due to altered drug metabolism and excretion, and there are limited safety data for use in this population despite a high pain burden. Nonsteroidal anti-inflammatory drugs (NSAIDs) have long been regarded as dangerous for use ....

Basic criteria for the selection of building technology a) Investment cost of the technology b) Time and cost saving c) Relatively better quality than the existing practice d) Convenient for huge construction projects e) Utilize mainly local building raw materials f) Reduce dependency on foreign currency g) Employ large quantity of workers h .... Internal gear pumps produce pressures up to 3000 to 3500 psi. These types of pumps offer a wide viscosity range up to 2200 cSt, depending on flow rate and are generally quiet. Internal gear pumps also have a high efficiency even at low fluid viscosity. External gear pumps are common and can handle pressures up to 3000 to 3500 psi. Selection of a remedy, with confidence that treatment targets can be achieved, depends on a number of key factors, including the ability to reliably define the nature and extent of contamination, the availability of proven treatment technologies, and the capacity and tools to measure progress and compliance with desired regulatory criteria.. if additional criteria are proposed for a site selection analysis. Size of Site Criteria: The specific criteria listed below have been adapted from the . Council of Educational Facility Planners International Creating Connections Guideline. Selection of a school site involves many variables, all of which cannot be captured in a basic metric.

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eliminate leakage in centrifugal pumps, mixers, and other rotating equipment. The ability of a mechanical seal to meet its performance objectives depends upon a wide range of factors involving equipment design, operating conditions, and support systems. Included in this list is the selection of the materials of construction of the seal. A pump is a mechanical device that lifts liquids from a lower level or low-pressure area to a higher level or high-pressure area. It is a heavy-duty equipment with low suction and high discharge pressure. This makes it easier to pump a fluid from a certain depth and push the fluid to the desired height. Pumps can also be used as a booster in a. A fire pump is a part of a fire protection system’s water supply. It is important to know that a fire pump does not create water, it takes water that is given to it from a water supply such as underground water tank and increases the pressure (energy) of the water. 6. Now connect these to the inputs of a screw terminal. 7. Connect additional wires from the output of the screw terminals to the input 'Power IN' of the Solar Pump System Controller. 8. Connect wires from the 'L1,L2,L3' & 'Ground' terminals of the solar pump system controller to the matching numbers on the pump leads. . factors involved in pump selection and system design; it also provides an overview of different types of pumps and their general applications. Key terms and parameters used in selecting pumps, designing systems, and controlling fluid flow are discussed. If you are already familiar with pumping systems, you might want to skip.

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In a positive-displacement (PD) pump, a discrete amount of fluid is trapped, forced through the pump, and discharged. A gear pump is an example of a PD pump (Figure 2). This pumping principle produces a pulsating flow, rather than a smooth flow. Its output flow tends to vary little with respect to the pressure at the pump outlet, because the moving. pump efficiency: BHP = brake horsepower: NPSH = net positive suction head: V = velocity of fluid or liquid: p = impeller inlet pressure: p v = vapor pressure of fluid or liquid: SW = specific weight of fluid or liquid: g = acceleration of gravity: References - Books: 1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. This Device Selection Guide for Water Level Control Applications is designed to help you select Level Controllers, Electrodes, and Sensing Bands according to the needs of ... Automatic Water Supply Operation with Dry Pump Operation Prevention 14 . 4. ... Allow for the application environment and conditions. In a positive-displacement (PD) pump, a discrete amount of fluid is trapped, forced through the pump, and discharged. A gear pump is an example of a PD pump (Figure 2). This pumping principle produces a pulsating flow, rather than a smooth flow. Its output flow tends to vary little with respect to the pressure at the pump outlet, because the moving. Selection of pump 1. Pumping System A major ancillary item Considerations 1. Type of fluid: chemical and physical characteristics of the fluid to be pumped. 2. System-head curve: may be obtained from the manufacturer. 3. Potential system modifications 4. Consult the installation and operation manuals for special fixtures for their required flow and pressures. Choose the number of pumps your system will utilize. For a small system below approximately 150 gpm, two pumps will suffice. Typically, a system is designed with a minimum of two pumps. Features of these PowerPoint presentation slides: This is a software selection criteria ppt PowerPoint presentation inspiration example. This is a six stage process. The stages in this process are functionality, performance, documentation, service, output. Folks get converted into loyal followers by our Software Selection Criteria Ppt.

STEP 5: Pump Type Selection-C Notes on Pump Selection: In most cases there will be two or three pumps that meet the volume and diameter requirements. A comparison of efficiencies, expected production changes and actual pump efficiencies are used to select the optimum pump. Other considerations are; • Availability of pump in customer inventory. and in selecting the type of mechanized system. The location of the water supply, capacity, and the source of water will affect the size of the pipelines, irrigation system flow rates, and the size and type of pumping plant to be used. The power unit selected will be determined by the overall pumping requirements and the energy source available. SRAC Publication No. 372 December 1994 Before you can select a pump that will fit your needs, you must know four things: 1) the total head or pressure against which it must operate, 2) the desired flow rate, 3) the suction lift, and 4) characteristics of the fluid. UN Supplier Code of Conduct Rev.06 – December 2017 3 9. Health and Safety: The UN expects its suppliers to ensure, so far as is reasonably practicable, that: (a) the workplaces, machinery .... Pump Type Selection Example ... Example Pump Station Force Main Conditions: Hazen-Williams C: 120 Flow Scenario: ADF(mgd) 0.875Peak (mgd) 2.5 Number of Pumps= 1 Total Static Head= 102.42 Coefficients for Flow Units= Flow Unit= GPM. pumps at a lower capacity than the manufacturer recommends can put lateral stress on the shaft of the pump, increasing wear-and-tear on the seals and bearings, and on the shaft itself. Double-volute casings are used when the radial thrusts become significant at reduced capacities. DTN-UK Guideline: The commencement of continuous subcutaneous insulin infusion (CSII) and continuous glucose monitoring (CGM) remotely. factors involved in pump selection and system design; it also provides an overview of different types of pumps and their general applications. Key terms and parameters used in selecting pumps, designing systems, and controlling fluid flow are discussed. If you are already familiar with pumping systems, you might want to skip.

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. Centrifugal Pump curves show 8 important factors that are critical in selecting the right pump for your application. These factors are: Flow, Head, Impeller Trim Diameter, Efficiency, Power, NPSHR, MCSF (Minimum Continuous Stable Flow) and RPM. The Pump curve also displays the Pump model, the Pump size and number of stages for multi-stage pumps. UNDERSTANDING PUMP.ppt. Pumping Stations Design Lecture 4. PUMP Training. Pump Installation & Maintenance. ... Misinterpretation of test results and acceptance criteria. Pump installation After proper specification, selection, sizing, inspection, and testing, installation is the next key factor in the reliable operation of any centrifugal pump. As a rule of thumb, if the machine produces high amplitude vibrations (greater than 10 g rms) at the measurement point, a low sensitivity (10 mV/g) sensor is preferable. If the vibration is less than 10 g rms, a 100 mV/g sensor should generally be used. 6.1.4 Pump selection 62 6.1.5 Sealing the borehole 62 6.1.6 Examples of borehole design 64 6.2 Borehole development 66 6.2.1 Development methods 67 6.3 Borehole completion 72 6.3.1 Sanitary seal 72 6.3.2 Pumps and test pumping 72 6.3.3 Geophysical logging 79 7 Drilling/Construction costs 81 7.1 Buying a rig 83 7.2 Success rates 84. 6. Now connect these to the inputs of a screw terminal. 7. Connect additional wires from the output of the screw terminals to the input 'Power IN' of the Solar Pump System Controller. 8. Connect wires from the 'L1,L2,L3' & 'Ground' terminals of the solar pump system controller to the matching numbers on the pump leads. Example 12.2 Centrifugal Pump Performance Based on Inlet/Outlet Velocities zWater is pumped at the rate of 1400 gpm through a centrifugal pump operating at a speed of 1750 rpm. The impeller has a uniform blade length, b, of 2 in. with r 1 = 1.9 in. and r 2 = 7.0 in., and the exit blade angle is β=23º . Assume ideal flow conditions and that the. Rubber belt conveyor (bulk) 1,75 – 2,00 Pumps Inclined lifts 1,75 – 2,00 Radial pumps 1,25 – 1,75 Shaking slides 2,00 – 2,25 Centrifugal pumps (light liquid) 1,50 – 2,00 ... Connection of IEC standard motor and radial pump • Coupling selection following page 16, item 1: Drives without periodical torsional vibrations Calculation 1.1.

Indian Railways in pumping installations and their proper upkeep and maintenance are essential for trouble-free supply of water for day to day operations. This handbook on "Troubleshooting and Maintenance of Submersible pumps” is prepared with the objective to disseminate knowledge on pumps and their selection, installation. The usual checklist includes process liquid, flow, pressure, size and power, efficiency, space capacity, reliability, and cost. But there are many nuances to pump selection that can make big differences in performance, reliability, and cost-saving energy efficiencies. Here are five factors to always keep front of mind in pump selection:. Brief Guide On Pump Type Selection Recommended. PM2560 Pump Selection. Guideline Pump System. As a rule of thumb, if the machine produces high amplitude vibrations (greater than 10 g rms) at the measurement point, a low sensitivity (10 mV/g) sensor is preferable. If the vibration is less than 10 g rms, a 100 mV/g sensor should generally be used. The storm-water pumping stations have to be so located that water may be impounded without creating an undue amount of flood-damage, if the flow exceeds the pumping station capacity. The station should be easily accessible under all weather conditions. Pumping stations are typically located near the lowest point in a development. However,. NFPA 20 permits a maximum of three pumps to operate in series (NFPA 20-2013, Section 4.19.2.1). Fire pumps cannot operate in parallel because the discharge check valve is forced closed when the pressure on the outlet side of the valve is higher than that on the inlet side. SELECTION OF PUMPS. IMPORTANT POINTS TO CONSIDER WHILE SELECTING OF APUMP ARE; 1. Pump Material of construction, 3.NPSH, and 4. Working temperatures and cooling or flushing media plans size, 2. and various other features as governed by liquid to be pumped and pumping conditions; FOLLOW THE GUIDELINES; SUITABLE PUMP SIZE . 1. Improperly positioned, a pump truck can cause death or serious injury, making a nightmare out of what may have appeared to be a standard, "every day" pour. The pumping crew can only utilize the pump truck and boom when the conditions are entirely safe. Placing the Boom. Prior to extending the pump truck boom on a new job site, check for the. The BPVC is one of the two primary references that engineers will require when designing boiler systems. The other is NFPA 85: Code on Boiler Combustion Systems and Hazards. NFPA 85 provides the requirements for the fuel and combustion systems that are used to heat the boiler. Compliance with both codes is required for safe boiler operation. This selection chart is designed to help you find and specify the best pump for your service. Product Category Model Pump Type Nature of Pumpage Refer to Page Corrosive High Temperature 260°C(500°F) Abrasive Solids Non- Abrasive Fibrous/ Stringy PRO Services PRO Services Rotating Equipment Services34. Smart infusion pumps, she explained, were developed to prevent potentially fatal over-infusions or under-infusions, and have provided health care professionals with an opportunity to establish standard practices on drug concentrations and dosing units. The pumps have been increasingly adopted by health care facilities since their introduction. MATERIALS SELECTION M-DP-001 Rev. 1, December 1994 Please note that whilst every effort has been made to ensure the accuracy of the NORSOK standards neither OLF nor TBL or any of their members will assume liability for any use thereof. 1 FOREWORD This standard has been developed by the NORSOK standardisation work group and agreed by the. Current Listings: Horse Farms For Sale in Ocala FLSearch our selection of properties for sale in Stamford. Our ever-changing portfolio of properties brings you closer to your ideal home in a city which has a diverse range of property, including a mix of period and listed buildings, as well as new-build retail and office blocks.. An engine is attached to the axis, which then rotates the pump impeller, which is reminiscent of an old ship’s “water wheel”. The rotation moves the water from its entry point through the casing, and finally to the exit. While most pumps are used for water, centrifugal pumps are also used for sewage, petroleum, and chemicals.

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Smart infusion pumps, she explained, were developed to prevent potentially fatal over-infusions or under-infusions, and have provided health care professionals with an opportunity to establish standard practices on drug concentrations and dosing units. The pumps have been increasingly adopted by health care facilities since their introduction. STUFF Variable Speed Pumping in Constant Volume or Pressure applications Use of VSP as throttling valve or control valve Pressure is maintained by impeller speed, so if pressure at pump needs to stay constant regardless of flow, may not be much advantage to VSP. Steep vs flat curves Domestic Water Booster If dominated by friction rather than lift, VFD is appropriate. The pump curves in Figure 3 illustrate the following pump options to choose. Option 1: 4 × 3 – 13 3,500 rpm. Installed cost of pump and motor: $20,000 for 3,500 rpm. Maintenance cost: 10% of installed cost per year. Motor efficiency: 65% (assumed) Option 2: 4 × 3 – 13 2,850 rpm. Installed cost of pump and motor: $40,000 for 2,850 rpm. Pump Specific Speed is a method of characterising pumping conditions and it may be used to determine the most appropriate pump design for a given application. Often pump characteristics such as NPSHr, suction lift and pump efficiency will be correlated against the pump specific speed. Specific speed is the speed (in RPM) a geometrically similar. Consult the installation and operation manuals for special fixtures for their required flow and pressures. Choose the number of pumps your system will utilize. For a small system below approximately 150 gpm, two pumps will suffice. Typically, a system is designed with a minimum of two pumps. Pump takes for much power: (i) Speed may be high (ii) Head may be lower and pumping too much water (iii) Mechanical defects in installation. 4. Pump leaks excessively at the stuffing box: (i) Worn out packing or incorrectly inserted packing (ii) Worn out shaft to be renewed. 5. 1 day ago · Mercury Smartcraft Boat Gauges Jennifer Tilly 2019 Mercury Smartcraft Boat Gauges. Thread starter Limits; Start date Feb 3, 2006; Sidebar 225, 250 hp Fits the Mercury/Mariner V-225 Pro XS, DFI (3 The boat and engine look to be in great shape Mercury Optimax 200-225-250 LH Lower Unit EFI 3 Mercury Optimax 200-225-250 LH Lower Unit EFI 3. 1 day ago · Get Free Mercury Gauges Manual .... Centrifugal Pump Performance Curves • Pump Performance Curves – A pump’s capacity I.e. flow rate is plotted against its developed head – Also shows its efficiency (BEP), required input power, NPSHr, speed (RPMs), and other information such as pump size and type, impeller size, etc. – Generated by tests performed by the manufacturer. A direct current submersible pump designed to operate under a range of voltages likely to occur during changing light conditions. Figure 1 provides an example of a typical solar powered water pump system. This system consists of solar panels, a controller, a pump and a tank for water storage. This system will. The ITT Goulds Pumps Inc. Seneca Falls Operation and Vertical Products Operation have earned certification to NSF/ANSI 61, the American National Standard for Drinking Water System Components – Health Effects for their 3409, 3410, 3420, 3498, VIT, and VIC models from global public health organization NSF International.Certified materials of construction for the 3409,. • The formation of bubbles in a low pressure area of the pump volute. • A noise that can be heard when the pump is running. • Damage that can be seen on the pump impeller and volute. Page 4 Example: If you have a pump that wants to pump 80 GPM, but a 1.5" suction line that will only provide 51 GPM, cavitation may occur. 1) Positive Displacement Pump. In these types of pumps, the moving parts (gears, lobes, plungers, pistons, and rotors) drain fluid from the pump housing and increase the hydraulic pressure at the same time. Therefore, a positive displacement pump does not build up pressure. It just generates fluid flow. pumps for maintenance and replacement Engineers & Designers: • Section 2 Water Supplies, Section 3 General Requirements, Section 4 Specific Requirements and so on Pump Set Manufacturers: • Among other sections, Section 10 Shop testing & Conformance. Custom Essay Writing Service - 24/7 Professional Care about Your Writing.

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Classification of pumps | All Pumps Internal and external gear pumps are the two basic types of gear pumps. The main differences between the two types of gear pumps are the placement of the gears and where the fluid is trapped. Peristaltic Pumps.

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Peerless Fire Pump installations (UL Listed, ULC Listed or FM Approved) deliver superior fire protection to facilities worldwide. Field-tested products are designed for reliability and longevity and include a broad selection of pumps, drives, controls, baseplates and. Dynamic (Centrifugal) Pump. Dynamic pumps uses centrifugal force to develop velocity in the liquid being handled. The velocity is then converted to pressure. As kinetic energy is decreased, pressure is increased. This pressure difference drives the fluid through the system or plant. Dynamic (Centrifugal) pumps use a rotating impeller to create. Pumps and Pumping System - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf) or view presentation slides online. ... Grp 6 Legal Considerations in Urban Design and Design Requirements of Specific Places in Towns and Cities. 06 Woods and Plastics. Ecology. 2.4 selection of pumps 2.5 pump motors 3. pumping system 3.1 introdution 3.2 design philosophy 3.3 operating characteristics and system curves 3.4 number of pumps ... 4.4.2 screeding requirements 4.5 pump control 5. ancillary facilities of sewage pumping stations 5.1 general 5.2 electrical system supply 5.2.1 general. if additional criteria are proposed for a site selection analysis. Size of Site Criteria: The specific criteria listed below have been adapted from the . Council of Educational Facility Planners International Creating Connections Guideline. Selection of a school site involves many variables, all of which cannot be captured in a basic metric. winning conditions possible decrease in electrical consumption 1 opportunities in electrical energy reduction opportunities with higher return 6 pump systems pumps in parallel - instability minimum submergence of the pump inlet the effect of air (or gas) entrainment in the pump suction various items quick guide viscosity asme max. pressure. STEP 5: Pump Type Selection-C Notes on Pump Selection: In most cases there will be two or three pumps that meet the volume and diameter requirements. A comparison of efficiencies, expected production changes and actual pump efficiencies are used to select the optimum pump. Other considerations are; • Availability of pump in customer inventory. There are 2 main types of diaphragm pumps: Air-operated and Mechanical. As the name suggested, air-operated diaphragm pumps (aka AOD pumps or AODD pumps) are powered solely by air making them suitable for dangerous and tough environments. They are also used for chemical transfer, de-watering underground coal mines, food manufacturing or where the liquid. All Data Pump Export and Import processing, including the reading and writing of dump files, is done on the system (server) selected by the specified database connect string. This means that for unprivileged users, the database administrator (DBA) must create directory objects for the Data Pump files that are read and written on that server. 6.2 Example 1 – Pump Selection 6.2.1 Scenario: As part of a renewal strategy pumps at a WWPS require replacement. In this system the rising main is common to a separate pump station for a portion of the length and a preliminary assessment has identified that the two stations will be pumping at same time for approximately 15% of the time. A. Related Topics . Pumps - Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more.; Related Documents . Alternating Pumps - Securing a system and achieve equal wear by alternating pumps in parallel.; Centrifugal Pumps - An introduction to Centrifugal Pumps.; Hydraulic Pump Motor Sizing -. if additional criteria are proposed for a site selection analysis. Size of Site Criteria: The specific criteria listed below have been adapted from the . Council of Educational Facility Planners International Creating Connections Guideline. Selection of a school site involves many variables, all of which cannot be captured in a basic metric. . Hydraulic Pump/Motor Division In this view the variable orifice is restricting pump flow . Pump outlet pressure is increased and a pressure drop is created across the orifice. The pump pressure will increase until it overcomes the differential spring force and shifts the spool to direct control oil into the servo piston and destroke the pump. The.

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Calculate the total head and select the pump. 2. Calculate the NPSH available and check with respect to the NPSH required. 3. Calculate the specific speed and predict the pump efficiency. Calculate the suction specific speed and Thoma number and check the prediction of the Thoma number regarding cavitation. 4. Centrifugal Pumps (PTC 8.2 - 1990) This Code provides directions for conducting and reporting performance tests of centrifugal pumps, including those of the mixed flow and axial flow types, under the following characteristics: (a) Total head produced by the pump; (b) Pump capacity (rate of flow through the pump); (c) Power input to the pump; (d) Efficiency; and (e) Net positive suction head. Process Conditions for Pipe Material Selection. Piping material selection mainly depends on process conditions such as. Types of fluid; Service temperature; Operating pressure; Let’s try to understand this condition in depth. 1 st, the Process condition that will impact the material selection is the type of fluid it transports. For corrosive. The pumps and associated equipment are large capital and relatively high-maintenance cost items. By using some basic selection criteria, both the initial capital cost and cost per ton of material being pumped can be reduced. By careful analysis of the pump application data, the proper size pump can be selected. Material selection is one of the prime concerns in mechanical engineering design as mechanical engineers possess great deals with various loads and temperature variations. Material selections in engineering designs such as civil engineering structures also are very crucial. 2. Wear of materials. Wear is a problem when the materials are. The first criterion for choosing a pump is the type of media concerned. The technical characteristics of the media must be taken into account because they will determine the choice of pump. Then, in order to properly dimension the machine and calculate the operating point of the pump, it is necessary to know the parameters of the network such. This course explains how Grundfos product Center makes otherwise very time-consuming processes like pump sizing and selection simple and fast, whether as a quick sizing based on application, design or pump family, sizing a specific application area such as renewables, or using your own evaluation criteria.. Views. Lacrimal pump. A, In the relaxed state, the puncta lie in the tear lake. B, With eyelid closure, the orbicularis oculi muscle contracts. The pretarsal orbicularis squeezes and closes the puncta and canaliculi. The preseptal orbicularis, which inserts into the lacrimal sac, pulls the lacrimal sac open, creating a negative pressure that.

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A pump is a mechanical device that lifts liquids from a lower level or low-pressure area to a higher level or high-pressure area. It is a heavy-duty equipment with low suction and high discharge pressure. This makes it easier to pump a fluid from a certain depth and push the fluid to the desired height. Pumps can also be used as a booster in a. LaBour Pumps designs tough, versatile chemical process pumps, chemical sump pumps and ANSI pumps including horizontal pumps, vertical sump pumps and self-priming pumps. Quality engineering, innovative design, rugged heavy duty construction and customer commitment have distinguished LaBour Pumps in the pump industry. #1 Dynamic Pump A dynamic pump uses centrifugal force to create velocity in the liquid. This velocity is further converted into pressure energy by decreasing the kinetic energy. This difference in pressure moves the fluid through the system. It consists of a rotating impeller that creates a vacuum that moves the fluid. Electric Motor & Power Source Selection for Small Aircraft Propulsion Jeremy Fehrenbacher Purdue University, [email protected] David L. Stanley Purdue University, [email protected] ... In partial fulfillment of the requirements for the Degree of Master of Science in Technology A Directed Project By Jeremy Fehrenbacher April 14, 2011. For example, the same pump model HTM 31 at 15 m3/h will produce a head of 20 m, or at 24 m of head the pump will generate a flow of 8 m3/h. Once you have chosen the right pump type whether centrifugal, turbine, vane or any other, you can study in details the specific curve of the selected pump model with other technical information. Classification of Centrifugal Pumps Based on Shaft Orientation. Vertical Shaft. Horizontal Shaft. Classification of Centrifugal Pumps Based on Impeller Position. Overhung Impeller Pump. Between Bearing Pump. Buy Equipment or Ask for a Service. Different Types of centrifugal pumps used in industries can be classified according to various. Nov 05, 2016 · The master plan should include: 1. Purpose and scope 2. Glossary 3. Responsibilities, such as user departments, management, QA 4. Method performance characteristics and approaches for testing 5. Steps for method validation 6. Selection of tests and acceptance criteria 7. Approach and parameters for system suitability testing 50. THANK YOU !!!.

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4 • 8 PUMP SELECTION, SIZING AND INTERPRETATION OF PERFORMANCE CURVES Determine the impeller size. The impeller size will be approximately 8.75". The dashed line represents the performance curve of the pump. The pump can only operate on its performance curve. The system can only be run somewhere on the system curve. Types of Pumps and Components Unit 1B Objectives 1. Discuss the operation of centrifugal pumps. 2. Compare the advantages and disadvantages of positive and non- positive displacement pumps. 3. Discuss ejectors and the principles that cause them to work. 4. Discuss exhaust primers. 5. Discuss multi-pump operations- Series/volume. 6. pump however, the piston is raised and lowered cyclically in the pump cylinder and has a velocity and acceleration that vary cyclically. The non-zero velocity gives rise to friction forces, while the acceleration causes additional forces to accelerate the water column on the piston. For the time being, we consider a quasi-stationary, slowly turning. WEL COME. TO. PERSONALITY DEVELOPMENT AND VOCATIONAL TRAINING. BY A.Antony Peter PUMPS A Pump is a machine , when driven from some external source like a motor or a diesel engine lifts water or liquid from lower level to higher level.. A Pump is a machine which converts Mechanical energy into Pressure energy. PUMP Pump is a mechanical device to increase the. 6.1.4 Pump selection 62 6.1.5 Sealing the borehole 62 6.1.6 Examples of borehole design 64 6.2 Borehole development 66 6.2.1 Development methods 67 6.3 Borehole completion 72 6.3.1 Sanitary seal 72 6.3.2 Pumps and test pumping 72 6.3.3 Geophysical logging 79 7 Drilling/Construction costs 81 7.1 Buying a rig 83 7.2 Success rates 84. Custom Essay Writing Service - 24/7 Professional Care about Your Writing. Pumps and Fans Viscous Friction (τ ∝ speed 2) Motor Sizing #4 Operating point occurs at intersection of motor and load speed/torque "curves" Speed, ω Torque, τ Pump AC Motor Speed, ω Torque, τ DC Motor Constant DC Motor Ratings DC motors are "rated" at a single speed and torque In most cases, the motor can operate at this. Pump Selection for any Pumping System 6.47 Analysis of Pump and System Characteristic Curves 6.55 Net Positive Suction Head for Hot-Liquid Pumps 6.61 Part 3 Centrifugal Pumps and Hydro Power Minimum Safe Flow for a Centrifugal Pump 6.63 Selecting a Centrifugal Pump to Handle a Viscous Liquid 6.64 Pump Shaft Deflection and Critical Speed 6.66. Practical Centrifugal Pumps is a comprehensive guide to pump construction, application, operation, maintenance and management issues. Coverage includes pump classifications, types and criteria for selection, as well as practical information on the use of pumps, such as how to read pump curves and cross reference. In self-priming centrifugal pumps with a separation chamber the fluid pumped and the entrained air bubbles are pumped into the separation chamber by the impeller action. The air escapes through the pump discharge nozzle whilst the fluid drops back down and is once more entrained by the impeller. The suction line is thus continuously evacuated.

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