This portable document format \pdf\ file contains bookmarks, thumbnails, and hyperlinks to help you navigate through the document. On model 344a pumps, remove the flexible coupling from between the pump and motor. Pumps and pumping system bureau of energy efficiency 118 figure 6. The fire and rescue service uses both single stage and multi stage centrifugal pumps on fire appliances for fire attack. Pump housing and rear end plate iwa250 pump model shown. Its purpose is to convert energy of a prime mover a electric motor or turbine first into velocity or kinetic energy and then into pressure energy of a fluid that is being pumped. The bk pumps are used for most liquid within the pulp and paper industry, ideal for handling high. The choice of pump for a given application depends largely on how the pump headflow characteristics match the requirement of the system downstream of the pump. Ahlstar end suction single stage centrifugal pumps. Centrifugal water pumps are common single stage pumps, however due to the wide range of. The standard mounting flange is sae a 2 bolt a, standard ports are sae12 inlet and sae10 outlet. Engineering data ssh c closecoupled unit dsshc r1 general selection tools. Working mechanism of a centrifugal pump a centrifugal pump is one of the simplest pieces of equipment in any process plant. Ahlstar end suction single stage close coupled centrifugal pump hydrocarbon processing oil and gas power generation pulp and paper general industry water and wastewater chemical processing operating data liquid temperature up to c 266f pressure up to 1625 bar 230360 psi gas content up to 70% liquid position below or above the pump.
Be end suction single stage centrifugal pump applications sulzer process pumps, series be, is specially designed for pulp and paper applications, e. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to the use of cookies. Remove the outboard retainer 5 by gripping with pliers and twisting. A comparison of single and double volute centrifugal pumps is shown on figure 2. This thermostat is designed to operate a singletransformer or twotransformer system. Figure shows the flow of water through the hale qmax singlestage pump.
They are designed for long life, low maintenance and continuous service in dirty and corrosive applications such as petrochemical plants, refineries, natural gas processing, coal gasification and power stations. Single stage the best in cast iron compressors solid cast iron construction splash oil lubricated pump cnc machined iso 9002 large swedish stainless steel reed valves maximum pressure 125psi splash oil lubricated pump cnc machined iso 9002. Single stage pump has one impeller total flow and pressure depend on engine speed may have a single or double eye in the impeller greatest efficiency is at or near capacity more common and simpler to operate, purchase, and maintain slide 21 department of fire services massachusetts firefighting academy 21 two stage pump. Pumps of the rcnku and rcfku type family are horizontal, singlestage. Single stage vertical inline pumps 7 1500 rpm, 50 hz range chart 80 60 50 40 30 20 10 8 2 3 5 10 20 30 50 100 200 300 500 2000 3000 6 5 4 3 2 1 14x14x18 14x14x 1 8 14x14x15 12x12x14 8x8x12 8x8x11 6x6x11 6x6x 9 4x4x7b 4x4x7a 3x3x7b 3x3x7a 3x 3x7a 2. Pumps manufacturing started in 1959 with the brand of nuovo pignone under ucp license.
Whiterodgers universal 80 series single stage multi. Difference between singlestage pump and multistage pump. Single stage roots pu p manual, contents section section 1 introduction 11 12. Pumps are built to recognized global standards and customer specifications. Pump designs flowserve offers a wide range of complementary pump types, built to recognized global standards and customer specification.
Snt type pumps are suitable for clean or slightly contaminated liquids with low viscosity. It is designed for maximum efficiency to provide essential air power for multiple. Single stage pumps and multi stage pump on the distinction between. Using a socket wrench, remove the jam nut 6, holding the pump shaft at the. The general components, both stationary and rotary, are depicted in figure b.
Water enters the suction channels on both sides of the impeller, therebyq maintaining axial balance. Dedicated global resources for design, drawings and site support. Singlestage pump is defined only one impeller pumps, general singlestage pump maximum lift is only 125 meters, has simple structure, stable performance, high speed, small size, light weight, high efficiency, large flow, easy to operation and maintenance advantages. Pumps of this type are called double volute pumps they may also be referred to a split volute pumps. Throughout the years the pump designs have been improved based on our. The ahlstar range, comprised of the a, n, w and e ranges, has been designed in accordance with iso. Pumps are used in waterworks, irrigation and drainage pumping plants, power stations, industrial water supply, air. Single stage, multistage, heat pump save these instructions. Single stage centrifugal pump dvs bb1 axially split double volute double suction about us bhge is a leading global supplier with a large portfolio of products and competences. Its purpose is to convert energy of a prime mover a electric motor or turbine first. Api 610iso 709 bb1 between bearings, axially split. Made of rugged cast iron, this heavyduty, inline, closecoupled pump can. When a single stage gear pump is used the engine required to power it can cost as much as a complete splitter with a 2stage pump.
Whiterodgers universal 80 series single stage multistage. A centrifugal pump is one of the simplest pieces of equipment in any process plant. Next unscrew the bolts that hold supports 41 and 64 to the base and slide the pump out to be worked on. Single stage centrifugal compressors elliott group. Xylem online your access to select and configure xylem solutions. The sl18xp1 has the lowest sound rating of any singlestage heat pump of any major u. Single stage and two stage hydraulic hand pump max. Twostage firing rates are as high as 205 gph up to 15 hg inlet vacuum. In some applications the double volute minimizes radial forces imparted to the shaft and bearings due to imbalances in the pressure around the impeller. Between bearings, axially split, singlestage, double suction pumps iso 709api 610 bb1 the flowserve lpn is an axially split, singlestage pump designed to iso 709api 610 bb1, latest edition. Hydraulic gear pump aluminum gear pump single stage model ezf20 is an all aluminium construction, high pressure hydraulic gear pump with 8 displacement sizes from 0. Two stage firing rates are as high as 205 gph up to 15 hg inlet vacuum.
Between bearings, axially split, singlestage, doublesuction pump. Symptom possible causes corrective action low discharge pressure pump overheating causes air filter to melt excessive noise knocking large quantity of oil in the discharge air note. Pdf design, production and testing of a single stage centrifugal. Contractors love the portability of this wheelbarrow style 8gallon air compressor. Xylems exc single stage, double suction split case pump as a replacement to the legacy ac series 8100, 8300 and 9100 pump, xylems exc split case pump offers a broader hydraulic range with flows that exceed 57,000 gpm and head over 800 feet. Pump headflow curves are typically given for clear water. Efficiency claim based on comparison of singlestage heat pump products seer and hspf as published in ahri in june 2015.
Single stage roots pu p manual, contents section section 1 introduction 11 12 manual key. Ssh s and m group 316 stainless steel end suction pumps bssh r6 installationoperation manuals. Top mount float type 401 single or two stage for pump or. Elliott myr turbines are available up to 14,000 hp 10,440 kw. Heat pumps have sound ratings established per ahris test standard. Powersplittimberdevil use what they call a drive multiplier producer between the engine and single stage pump. With a doublesuction impeller, the lpn is a natural solution for many low npsh applications, such as those found in water and hydrocarbon. When two or more singlestage centrifugal pumps are arranged so that the discharge from the first pump is connected directly to the inlet of the second pump, the pumping arrangement is said to be in series. A hydraulic hand pump delivers hydraulic fluid under pressure by directly applied manual effort. Normally used for pump operation and high alarm or shutdown. Single stage and multistage connections refer to equipment manufacturers instructions for speci. Remove the grease fittings 1 and the pipe plugs 2 and 3. Single stage models can provide a firing rate up to 270 gph at up to 10 hg inlet vacuum.
Split case pumps xylem applied water systems united states. The modules listed in the overview are linked to the corresponding pages. Single stage the best in cast iron compressors solid cast iron construction splash oil lubricated pump cnc machined iso 9002 large swedish stainless steel reed valves maximum pressure 125psi splash oil lubricated pump cnc machined iso 9002 large swedish stainless steel reed valves. A rotating component comprised of an impeller and a shaft ii. Sheet ingers 11rcand singlestage horizontally split. Elliott has been manufacturing single stage centrifugal compressors for over 90 years. Ac series 1500 is designed for light industrial and general water transportation.
Pump housing and rear end plate iwa250 pump model shown installing the piston ring housings into. Singlestage air compressor pumps air compressors direct. Remove the retaining ring 49 from the outboard cover bearing arm. Figure 2 single stage or multistage system no heat pump with single transformer heat pump connections if you do not have a heat pump system, refer to. Select gould water technology wastewater package selection.
Singlestage pumps and multistage pump on the distinction between. A series pump is like having two or more separate single stage pumps back to back, each one supplying the next with pressurised water. Remove capscrews 39 and lift pump assembly from base 73. I have only seen one splitter manufacturer that uses a single stage gear pump with a small engine. Singlestage pump operation q q hale singlestage pumps use a single impeller to develop the required volume and pressure. Thrust balanced impeller design to extend engine life. Intellitronic x selection for end suction, splitcase, multi stage, selfpriming, jet and submersible pumps. Designed for total head duties to 33m and flows to 225 lpm. All models are fitted with thermotection for closed head pump protection. Refer to equipment manufacturers instructions for speci. The rce is a horizontal singlestage, endsuction, topdischarge, centrifugal pump with heavy.
Onboard s single stage cryopump operation manual brooks automation 8040731 revision a information provided within this document is subject to. Essentially, the choice of pump types leads us to the simplicity of operation of a singlestage pump with a maximum pressure of 350 psi or a twostage that can. Sheet 42 classes uv, auv, alv, afv, lfv, hlv, cfv, sm singlestage horizontally split ingers 11rcand centrifugal pumps ingersollrand uv, ain, alv, afv, lfv, hlv, cfv and sm pumps are singlestage, centrifugal units of the horizontally split, volute type. The innovative design makes the pump more reliable while significantly reducing total cost of ownership. The sns pump range has been designed to meet the process requirements in versatile general and industrial applications to pump clean and slightly contaminated liquids viscous liquids up to 3000 cst fibrous slurries up to 6% consistency hydrocarbon processing. Single stage pump is defined only one impeller pumps, general single stage pump maximum lift is only 125 meters, has simple structure, stable performance, high speed, small size, light weight, high efficiency, large flow, easy to operation and maintenance advantages. With over 140 models and a wide range of material options, exc pumps canread more. Standard features designed to api 611 standard quickstart capability horizontally split casing builtup rotor construction center line support multiple shaft end configurations carbon ring steam end. If a lower flow rate or a higher pressure is needed over what a single stage centrifugal pump can provide, a multistage centrifugal pump is a better suited alternative. Sshs and mgroup and sshf, c submittals xylem applied. Single stage process between bearings single stage between bearings multistage vertical submersible motor positive displacement nuclear specialty available.
Text headings in each module are linked to and f\ rom the table of contents for that module. Ahlstar end suction single stage close coupled centrifugal. A stationary component comprised of a casing, casing cover, and bearings. Installation and operation manual single stage double suction. The pump is a horizontally in stalled, singlestage, axially split case pump with doubleentry radial impeller. The sns pump range has been designed to meet the process requirements in versatile general and industrial. The operator has full range pump performance with the operation of the engine throttle. With over 140 models and a wide range of material options, exc pumps can be customized to meet the demands of. A hybrid heat system automatically chooses the most efficient fuel source for heating to provide the ultimate defense against unpredictable fuel costs. Singlestage models can provide a firing rate up to 270 gph at up to 10 hg inlet vacuum.
A singlestage pump, of current design, has one dual suction impeller designed to take water in both sides of the impeller, providing discharge flows to all. Multistage2 stage heat, 2 stage cool heat pump2 or 3 stage heat, 1 stage cool single stage gas, oil, electric thermal specifications setpoint temperature range. Cast iron compressor pump x splash lubricated x stainlesssteel braided discharge hose x large canister intake filter x oil level sight indicator. When a single stage gear pump is used the engine required to power it can cost as much as a complete splitter with a 2 stage pump. A single stage pump can reach approximately 350 psi maximum pressure. Be end suction singlestage centrifugal pump applications sulzer process pumps, series be, is specially designed for pulp and paper applications, e.