In a centrifugal pump, a rotating impeller imparts energy to the liquid moving through the pump. Outlet Inlet Low-Pressure Fluid High-Pressure Fluid Fluid Carried Between Teeth and Case pFigure 2. A gear pump is a type of positive-displacement pump in which a …
Consulting - Specifying Engineer | NFPA 20: Fire pump design
Nov 21, 2019· Fire p ump p ressures . The total head of a fire pump is the energy imparted to the liquid as it passes through the pump, usually expressed in psi. For fire pumps such as horizontal split-case and vertical in-line centrifugal pumps that are required to operate under net positive suction head, the total head of a fire pump is calculated by adding the suction head (city pressure) to the ...
Split Case Pumps & Double Suction Split Casing Centrifugal ...
Essentially, the pump casing is split into two separate chambers, hence the name split casing or double suction centrifugal pump. If it is split vertically in relation to the impeller it is referred to as a vertical split case pump, and if it is split horizontally is it a horizontal split case pump.
Global Split Case Centrifugal Pump Market Future Forecast
Oct 15, 2020· The global Split Case Centrifugal Pump market 2020 mainly focuses on the market trend, market share, size and forecast. It is a brief and professional analysis on the current scenario of the ...
CENTRIFUGAL PUMP SELECTION, SIZING, AND INTERPRETATION OF PERFORMANCE CURVES 4.0 PUMP CLASSES Pumps may be classified in two general types, dynamic and positive displacement. Positive displacement pumps are those in which energy is imparted to the liquid in a fixed displacement volume, such as a casing or a cylinder, by the rotary motion of gears,
e-XC Single Stage, Double Suction Centrifugal Pumps ...
More than 140 models make it easy to customize your e-XC split case pump to handle water and fluid management challenges for the oil & gas, power generation, mining, municipal, leisure and general industry applications. Backed by more than 170 years of experience and built in the United States of America, the e-XC is industrial-strength ...
How a Split System Heat Pump Works | Home Guides | SF Gate
The split system heat pump is a heat, air-conditioning and ventilation system (HVAC) divided between an outdoor unit and an indoor unit. The two units are connected through the house by copper piping.
Centrifugal Pumps - Working, Applications & Types | Power ...
Axial split – In these kinds of pumps, the volute casing is split axially and the split line at which the pump casing separates is at the shaft’s center-line. Axial Split Pumps are typically mounted horizontally due to ease in installation and maintenance. Radial split – Here, the pump case is split radially; the volute casing split is ...
Question regarding situation involving split case pump and ...
Nov 12, 2004· There was a split case pump which had capability for driving from either end (Gould 3415). After we had to re-arrange piping and flip pump + driver to avoid horizontal elbow on the inlet, the vendor went round and round with us about the direction of rotation for pump.
mounted on a separate pump shaft supported by its own bearings. • Impeller Between Bearings Type: The impeller is mounted on a shaft with the bearings at both ends. The impeller is mounted “between bearings”.Example: –Axial Split, Horizontal Split Case –Axial Split Vertical Split Case
Back to Basics: Pump Types - End Suction Vs. Double ...
Double Suction, Between Bearing, Split Case Pumps. Double suction, between bearing, split case pumps (see figure 3) are the second most popular centrifugal pump configuration, second only to the more common end suction, radial split design. The principal reasons for the popularity of this between-bearing configuration include: 1.
Back to Basics: Pump Types - End Suction Vs. Double ...
Double suction, between bearing, split case pumps (see figure 3) are the second most popular centrifugal pump configuration, second only to the more common end suction, radial split design. The principal reasons for the popularity of this between-bearing configuration include: 1.
How to Pick a Centrifugal Pump Part 4: Pump Coupling Types ...
Hydronic HVAC pumps typically have one of the following types of couplers: Split Couplers - This is a solid metal coupler that connects the pump shaft to the motor shaft. The picture on the left shows a split coupled inline pump. A close-up of the interior coupling mechanism is shown on the right.
HVAC centrifugal pump coupling types close split flexible ...
Jun 19, 2017· They also help accommodate for misalignment, making it easier to service the pump; and in the case of flexible coupled pumps, help protect the bearings. Hydronic HVAC pumps typically have one of the following types of couplers: Split Couplers on HVAC Centrifugal Pumps. This is a solid metal coupler that connects the pump shaft to the motor shaft.
HORIZONTAL SPLIT CASE PUMPS (ZM) The paper stock pumps are used for continuous operation in the process industries for the pumping of clean, abrasive/corrosive liquids, and various stocks up to 8% consistency. Know more. VERTICAL SUMP PUMPS (VO) Vertical pumps are great alternatives to horizontal pumps. The pump is suitable for all clear ...
Horizontal - Multistage - Double Case - HDO and HSO ...
The HDO is a between bearing, multistage, radially split double case barrel with an axially split double volute, opposed impeller inner case. Designed for medium and high pressure applications. In excess of thousands of units installed, the Flowserve HSO/HDO high pressure multistage barrel pump is a unique member of the double-case barrel pump family in that it is offered in both General ...
Radially split design If a centrifugal pump's pump casing features a vertical joint relative to the shaft, this is referred to as a radially split design. The opposite is the axially split design .
SPLIT CASE PUMPS Model 412 Models 411 and 481 Modes 413 and 483. 2 CALIFORNIA PROPOSITION 65 WARNING: This product and related accessories contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. INSTRUCTIONANDREPAIRMANUAL
What Are Jockey Pumps and How Do They Work? - Flow Tech …
Aug 29, 2016· A jockey pump, also known as a pressure-maintenance pump, is a small apparatus that works together with a fire pump as part of a fire-protection sprinkler system. It is designed to keep the pressure in the system elevated to a specific level when the system is not in use, so that the fire pump doesn’t have to run all the time and the system ...
The PACO KP/KPV/KPVS split case pump is a single-stage, non-self-priming, between bearing, centrifugal volute pump. The axially split design allows easy removal of the top casing and access to the pump components (bearings, wear rings, impeller, …
• The Peerless multi-stage pumps are designed for high efficiency, long life and ease of maintenance and can be used in a variety of fire pumping services.. • Shafts, ball bearings. Modern design case. Wear rings and shaft sleeves are designed to provide pro1e1cion of wearing surfaces and insure extended pump life. Find a Distributor
Weinman’s Split Case LVM Series pumps provide the same reliable performance as the L Series. Its vertical design occupies less space than horizontal pumps, making installation easier, especially in small or restricted areasT . he improved design also makes it easier to perform routine maintenance. The pumps use three-phase motors from 1 hp
The pump casing shall be of extra heavy cast iron, with minimum tensile strength of 30,000 psi. High pressure cases shall be ductile iron with minimum tensile strength of 60,000 psi, split parallel to the shaft. Bearing housing supports, suction and discharge fl anges shall be cast, bored and machined integrally with the lower casing half.
What is the difference between the positive and non ...
Like most pumps, a centrifugal pump converts rotational energy, often from a motor, to energy in a moving fluid. A portion of the energy goes into kinetic energy of the fluid. Fluid enters axially through eye of the casing, is caught up in the impeller blades, and is whirled tangentially and radially outward until it leaves through all ...
Between-the-bearings: Split-case pumps are what is referred to as a “between-the-bearings” pump. This means that split-case pumps mount the impeller on a shaft that is supported by bearings on both sides of the impeller. Double-suction impeller: Split-case pumps are the only COMMON pump type with a double suction impeller. A double-suction impeller imposes dramatically fewer loads on the bearings …
SMH pumps are part of the broad single stage, double suction, horizontal split case family within Sulzer. Flowrates are provided to over 11,000 m3/h (50,000 GPM) and heads to over 200m (650 ft). SZM and SZMV axially split double suction pump
TWO AGE P CAE PUMP AURORA ® 430B SerieS Two Stage Split Case Pumps Capacities to 400 G.P.M. Heads to 1,000 Feet Temperatures to 300°F Power Series No. 2 and 3A Modern Design. High discharge pressures often require the use of multistage pumping units, which impose additional demands on the pump design. Various
Centrifugal Pumps: Basic Concepts of Operation ...
located at the sides of the case perpendicular to the shaft. This pump can have either an axially or radially split case type. Seal Chamber and Stuffing Box Seal chamber and Stuffing box both refer to a chamber, either integral with or separate from the pump case housing that …
4 parts list cp-515f-pl series hsc3 pumps mechanical seal over shaft parts list cp-515a-pl mechanical seal over shaft series hsc3 pumps 4 2-001-0 casing 1 cast iron …
G&L Pump A-C Series 8300 - Split Case Pumps - Xylem ...
Commercial Split Case Pumps G&L A-C Series 8300 & 8300RS Double-suction, base-mounted A-C Series 8300 pumps are available in 2” through 10” sizes. Motor sizes through 300 HP. Flows to 6500 GPM and heads to 400 feet. Bronze-fitted construction with a maximum working pressure of 175 psig. The G&L A-C Series 8300 features internally self-flushing mechanicalRead more
Pros & Cons of Horizontal Split-Case Pumps | Pumps & Systems
Split Case Pumps Split case centrifugal pumps feature a single double suction or two single suction impellers supported between bearings. The casing is split axially, with opposing suction and discharge flanges, greatly simplifying maintenance.
Consulting - Specifying Engineer | NFPA 20: Fire pump design
Nov 21, 2019· The impeller rotation in a vertical in-line pump is less susceptible to mechanical damage from water turbulence, a llow ing for more flexibility in the p iping arrangement on the suction side of the pump. H orizontal split case pumps are only permitted to have elbows and tees installed perpendicular to the pump when the fitting is located at ...
The ANDRITZ ASPH pump is a double-flow, single-stage, axial split case pump, specially developed for the high strength and long lifetime requirements in district heating networks and for other applications with high-temperature media. This is a robust and yet highly efficient pump that has been developed to meet customer-specific requirements.
Fundamental Pump Components: Volutes, Casings, and ...
The way that different types of impellers and casings are combined produces all of the different types of pumps. This article is part of Pumps 101, an eleven-part series of articles designed as an introduction to the fundamentals of centrifugal pump design, selection, and application. To get the most out of Intro to Pumps check out the full series:
MIDSHIP MOUNTED TRANSFER CASE DRIVE Overview: Midship split driveline pumps are typically located in the middle of the apparatus, between the transmission and rear drive axle as part of the apparatus drive line. The pump and gear box are most commonly mounted together as a single unit, and the pump is driven directly from the gear box, by
Single Stage Split Case Pumps 7A.0 Furnish and install as outlined in the plans and described in these specifications Federal Pump Series SC-II Horizontal Split Case single stage double suction centrifugal pump designed to deliver the scheduled flow rate (GPM) at the scheduled total dynamic head (TDH) in …