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Sewage Pumps Categories

About Sewage Pumps

PumpProducts.com is your ultimate destination for your sewage pump needs, whether it's for residential or commercial use. As a stocking distributor, we offer a wide range of high-quality sewage pumps at the best prices to meet your unique specifications. We carry only the most reliable and trusted brands, such as Goulds, Zoeller, Liberty, Barnes, Franklin Electric, Ion Tech, Little Giant, Myers, Pro Series, and Red Lion.

Sewage Pumps are essential when the plumbing system is situated below the municipal sewer line or in septic tank systems. These pumps are designed to move fluid waste containing soft solids up to 2 inches in diameter. Our collection includes submersible sewage pumps and sewage ejector pumps, which are controlled by float switches to activate the pump when the liquid level in the basin rises.

Zoeller sewage ejector pumps replace gravity during the transportation of waste from a plumbing space situated below the rest of the system. Goulds Sewage Pumps are renowned for their efficiency and longevity, making them one of the most reliable pumps in the industry.

The Liberty sewage pump collection, on the other hand, includes the LEH family, which includes the LEH100, LEH150, and LEH200 series. Barnes Sewage Pumps are known to handle tough waste efficiently and reliably. Franklin Electric Sewage Pumps are built with advanced technology and superior-quality materials to ensure long-lasting performance. Ion Tech, Little Giant, Myers, Pro Series, and Red Lion pumps are all well-known in the sewage pump industry for their quality and performance.

If you need a sewage pump, look no further than PumpProducts.com. Our online sewage pump and parts catalog make it easy to search and find the right pump for your requirements. You can also contact our customer support counter at 1-800-429-0800 for personalized assistance.

Buy Top Rated & Best Selling Sewage Pumps @ PumpProducts.com  

"PumpProducts.com Offers Same Day Shipping On All Sewage Pumps, Parts, Motors & Controls In Stock !

"Call Our Sales Counter For Assistance, Price Quotes & To Place Your Order" - 800-429-0800

PumpProducts.com is a Stocking Sewage Pump Distributor and we offer Sewage Pumps at The Guaranteed Lowest Price! We sell Sewage Pumps Direct to the Consumer, Contractor, Commercial, Industrial and Municipal markets, so you pay less for all of our Sewage Pumps For Sale. You can Search our On-Line Sewage Pump & Parts Catalogue or Call our Customer Support Counter Today at 1-800-429-0800.

 

Sewage Pumps Buyers Guide & Reviews By PumpProducts.com

In need of a sewage pump? PumpProducts.com is your destination for sewage ejector pumps, sewage grinder pumps, and sewage pump systems. We stock a wide variety of sewage pumps to meet the needs for a variety of applications. We only stock the most trusted brands as well. Looking for a Goulds sewage pump or Zoeller sewage pump? You can find it right here at PumpProducts.com at some of the lowest prices on the web!

When a plumbing system is set lower than a municipal sewer line, sewage pumps are used to pump wastewater from a collection basin up to the main sewer. In septic tank systems sewage pumps often move fluid waste to a leach field. Sewage pumps are designed to pump fluids containing soft solids of up to 2” in diameter. They are submersible and often controlled by float switches that activate the pump when the liquid level in the basin rises. Sewage pumps are rated in horsepower and most models are capable of moving several thousand gallons of fluid per hour.

 

Goulds Sewage Pumps Review:

PumpProducts.com is the leading distributor for Goulds sewage pumps. Goulds water pumps are among the most reliable pumps in the industry and are known for their efficiency and durability. PumpProducts.com carries a wide variety of Goulds sewage pumps to meet the requirements of a diverse array of applications.

Goulds sewage pumps are used to transport solids up to 2 inches in diameter through pump systems. These pumps are perhaps most commonly used to transport waste from bathrooms to a sewer or septic tank. Models may include a float switch and/or cord. Check out our product pages for details on specific models.

Goulds sewage pumps are generally compact, sturdy and feature corrosion resistant construction. This sturdy construction ensures dependability and a long service life. Typical applications range from the residential to heavy duty dewatering.

PumpProducts.com carries a wide variety of Goulds sewage pump models from the 1DM/2DM series, 1DV/2DV series, 2GV/3GV/4GV series, 2WD/3WD series, 3SD/4SD series, 4NS series, GFK/GFV series, PS series, PV series, VTX series, WS_B series, WS_BF series, WS_BHF series, WS_D3/D4 series, and WW05 series.

Goulds sewage pump series features ranges from 11-140 feet of maximum head and 61-400 gallons per minute for maximum flow. Discharge types also vary from horizontal NPT, horizontal flanged, vertical NPT, and vertical flanged. Our expansive inventory ensures that we have a pump to match the requirements of your application.

PumpProducts.com also carries a larger assortment of Goulds sewage pump repair parts including mechanical seals, ball bearings, screws, gaskets, and any other part you might possibly need. You can view our extensive collection of repair parts on our Goulds repair parts page.

The Goulds 1DM series of sewage pumps feature an AISI 304 stainless steel volute and two vane non clog impeller for corrosion resistance and lasting performance. The 1DM series features a discharge size of 1-1/2" NPT. The mechanical seal is comprised of drive lube silicon carbide sealing faces cased in BUNA-N elastomers; the metal parts are stainless steel as well. These well-built and efficient pumps were designed to move wastewater in a variety of application settings, including homes, farms, mobile home parks, motels, schools and hospitals. Read More

 The Goulds 1DV series of sewage pumps are versatile vortex sewage pumps that can be used in either simplex or duplex installations located in small lift stations, drainage systems or general “raw water” applications (natural water in the environment that has not been treated). The 1DV series features a discharge size of 1-1/2" NPT. Because of potential heavy use and exposure to harsh environments, these pumps place a premium on tough, well designed construction. The volute for each Sewage Pump is a corrosion resistant, long lasting AISI 304 stainless steel. The impeller is made of the same and is of a vortex design to better handle waste solids. Read More

 The Goulds 2DM series of sewage pumps feature an AISI 304 stainless steel volute and two vane non clog impeller for corrosion resistance and lasting performance. The 2DM series features a discharge size of 2" NPT. The mechanical seal is comprised of drive lube silicon carbide sealing faces cased in BUNA-N elastomers; the metal parts are stainless steel as well. These well-built and efficient pumps were designed to move wastewater in a variety of application settings, including homes, farms, mobile home parks, motels, schools and hospitals. Read More

 The Goulds 2DV series of sewage pumps are versatile vortex sewage pumps that can be used in either simplex or duplex installations located in small lift stations, drainage systems or general “raw water” applications (natural water in the environment that has not been treated). The 2DV series features a discharge size of 2" NPT. Because of potential heavy use and exposure to harsh environments, these pumps place a premium on tough, well designed construction. The volute for each Sewage Pump is a corrosion resistant, long lasting AISI 304 stainless steel. The impeller is made of the same and is of a vortex design to better handle waste solids. Read Buyers Guide

The Goulds 2GV series of sewage pumps features a dynamically balanced multi-vane vortex style impeller that prevents clogging. This series also includes dual mechanical seals, a float leakage sensor, robust cast iron construction, a corrosion resistant shaft with tape lock and impeller to guard against component damage in case of accidental reverse rotation, and 300 series stainless steel fasteners. The 2GV series features a discharge size of 2" NPT. These reliable and high performance pumps function in commercial or light industrial settings. Read Buyers Guide

 The Goulds 2WD series of sewage pumps features a volute that is constructed of flanged cast iron for durability and for easy attachment to the A10-20 guide rail system. There are options for the impeller between either a semi-open or enclosed type; both are made of cast iron and are non-clog with pump out vanes to divert solids from the mechanical seal. The 2WD series features a discharge size of 2" NPT flanged horizontal. This series of rugged, heavy duty pumps is designed specifically to handle wastewater transport, effluent transport and dewatering applications in commercial or light industrial settings. Read Buyers Guide

 The Goulds 3GV series of sewage pumps features a dynamically balanced multi-vane vortex style impeller that prevents clogging. This series also includes dual mechanical seals, a float leakage sensor, robust cast iron construction, a corrosion resistant shaft with tape lock and impeller to guard against component damage in case of accidental reverse rotation, and 300 series stainless steel fasteners. The 3GV series features a discharge size of 3" ANSI flanged. These reliable and high performance pumps function in commercial or light industrial settings. Read Buyers Guide

The Goulds 3SD series of sewage pumps features a cast iron, two vane, semi-open, nonclog impeller with pump out vanes to ward off any impediments. This series is also constructed with a rugged cast iron volute and 300 series stainless steel shaft and fasteners. These sewage pumps are capable of running dry without damage to the components. The 3SD series features a discharge size of 3" flanged horizontal. Typical application settings include hospitals, trailer courts, farms and motels. The Goulds 3SD series is often prominently featured in flood and pollution control applications. This series can also be used for general sewage system, dewatering and effluent applications as well. Read Buyers Guide

 The Goulds 3WD series of sewage pumps features a volute that is constructed of flanged cast iron for durability and for easy attachment to the A10-20 guide rail system. There are options for the impeller between either a semi-open or enclosed type; both are made of cast iron and are non-clog with pump out vanes to divert solids from the mechanical seal. The 3WD series features a discharge size of 3" NPT flanged. This series of rugged, heavy duty pumps is designed specifically to handle wastewater transport, effluent transport and dewatering applications in commercial or light industrial settings. Read Buyers Guide

The Goulds 4GV series of sewage pumps features a dynamically balanced multi-vane vortex style impeller that prevents clogging. This series also includes dual mechanical seals, a float leakage sensor, robust cast iron construction, a corrosion resistant shaft with tape lock and impeller to guard against component damage in case of accidental reverse rotation, and 300 series stainless steel fasteners. The 4GV series features a discharge size of 4″ ANSI horizontally flanged. These reliable and high performance pumps function in commercial or light industrial settings. Read Buyers Guide

 The Goulds 4NS series of sewage pumps have a 4″ 125# ANSI flanged discharge which allows the pump to pass wastewater containing up to 3″ non abrasive waste solids. The 4NS series can also be connected to a 4″ wet pit guide rail or to a 4 x 6 guide rail connection. These pumps are cast iron with a two vane closed impeller with a replaceable bronze wear ring. This heavy duty series can reach high capacities, high heads and are specifically designed for a wide range of commercial and industrial level applications, such as in sewage systems, industrial dewatering systems, wastewater treatment plants, municipal lift stations and flood control. Read Buyers Guide

The Goulds 4SD series of sewage pumps features a cast iron, two vane, semi-open, nonclog impeller with pump out vanes to ward off any impediments. This series is also constructed with a rugged cast iron volute and 300 series stainless steel shaft and fasteners. These sewage pumps are capable of running dry without damage to the components. The 4SD series features a discharge size of 4" flanged horizontal. Typical application settings include hospitals, trailer courts, farms and motels. The Goulds 4SD series is often prominently featured in flood and pollution control applications. This series can also be used for general sewage system, dewatering and effluent applications as well. Read Buyers Guide

 The Goulds GFK series of sewage pumps is incredibly durable, being constructed of robust cast iron for long life and easy maintenance. In addition, heavy duty long life bearings provide added security. The cable entry design prevents cable strain and leakage while a double mechanical seal guards against leakage as well.. The GFK Series contains a patented self-cleaning K-Non Clog impeller that reduces clogging and maintains efficiency while pumping wastewater The GFK series also features a discharge size of 2" NPT. This series is designed for use in homes, sewage systems, dewatering/effluent systems, water transfer applications and any application in which waste and drainage must be disposed of quickly, quietly and efficiently. Read Buyers Guide

The Goulds GFV series of sewage pumps is incredibly durable, being constructed of robust cast iron for long life and easy maintenance. In addition, heavy duty long life bearings provide added security. The cable entry design prevents cable strain and leakage while a double mechanical seal guards against leakage as well. The GFV Series features a Vortex style impeller that can handle solids up to 2″ in diameter The GFV series also features a discharge size of 2" NPT. This series is designed for use in homes, sewage systems, dewatering/effluent systems, water transfer applications and any application in which waste and drainage must be disposed of quickly, quietly and efficiently. Read Buyers Guide

 The Goulds PS series of sewage pumps is built with corrosion resistant cast iron, while the impeller is engineered thermoplastic. The mechanical seal is a composite of carbon, ceramic, BUNA and stainless, while the fasteners are stainless steel as well. The shaft is high strength carbon steel protected by Class B insulation. The PS series features a discharge size of 2" NPT vertical. The Goulds PS series is designed specifically for transporting wastewater in residential sewage systems. These pumps can also be used for heavy duty sump/dewatering applications and general water transfer. Read Buyers Guide

 The Goulds PV series of submersible sewage pumps is heavy duty while also being portable and compact. Each pump is comprised of a corrosion resistant cast iron body with a thermoplastic vortex impeller which is capable of handling up to 2″ waste solids. The mechanical seal is a mixture of carbon, ceramic, BUNA and stainlees steel, while the fasteners are stainless steel. The PV series features a discharge size of 2" NPT vertical. The Goulds PV series is built for residential sewage system applications. They can also be used for sump, dewatering and general water transfer applications as well. Read Buyers Guide

 The Goulds VTX series of sewage pumps features a cast iron, multivane vortex impeller in which solids don’t touch the vanes, allowing the pump to handle up to 2″ solids and easily pass stringy materials. Clogging is minimized. The cast iron volute is rugged and designed for easy installation on the A10-20 slide rail or base elbow rail systems. The VTX series features a discharge size of 2" NPT vertical. The VTX series is designed for use in homes, water transfer systems, sewage systems, dewatering/effluent applications and any applications in which waste or drainage must be disposed of quickly, quietly and efficiently. Read Buyers Guide

 The Goulds WS_B series of sewage pumps is constructed of rugged cast iron. This series features a semi-open, dynamically balanced non-clog impeller with pump out vanes that can handle waste solids up to 2” in diameter. The volute is cast iron and can easily be installed on the A10-20 guide rail or base elbow rail system. The fasteners and shaft are constructed of corrosion resistant stainless steel. The WS_B series features a discharge size of 2" NPT. This series is specifically designed for residential or light commercial usage in sewage systems and can also be used for dewatering/effluent and general water transfer applications. Read Buyers Guide

 The Goulds WS_BF series of sewage pumps is ruggedly built with both a cast iron volute and impeller for corrosion resistance. The volute is flanged for easy installation on a slide rail or base elbow rail system while the impeller is a semi-open nonclog type with pump out vanes to direct waste away from the mechanical seal. The seal itself is comprised of silicon carbide vs. silicon carbide sealing faces contained in BUNA-N elastomers and with stainless steel parts. The WS_BF series features a discharge size of 2" NPT vertical. This series can be used for sewage, effluent and general wastewater applications in residential or light commercial settings. Read Buyers Guide

 The Goulds WS_BHF series of sewage pumps is solidly constructed with a mix of cast iron and stainless steel parts. The stainless steel shaft also has a locknut to guard against component damage in case of accidental reverse rotation. Designed for continuous operation when fully submerged, these pumps are also capable of running dry without damage. The WS_BHF series features a discharge size of 2" NPT vertical. This series is designed for effluent, sewage or general dewatering applications in residential, light commercial, or light industrial settings. Read Buyers Guide

 The Goulds WS_D3 series of sewage pumps is designed to be used in conjunction with a guide rail system (A10-30/ A10-30B) or a base elbow disconnect system with 125# ANSI system flanges for horizontal discharges. Each of these pumps can handle up to 2-½” maximum waste solids. The WS_D3 series features a discharge size of 3" flanged horizontal. This series is ideal for general sewage systems, flood and pollution control, farms, hospitals, trailer courts and motels. The WS_D3 series can be used for a variety of application levels, including residential, commercial or industrial levels. Read Buyers Guide

 The Goulds WS_D4 series of sewage pumps is designed to be used in conjunction with a guide rail system (A10-30/ A10-30B) or a base elbow disconnect system with 125# ANSI system flanges for horizontal discharges. The WS_D4 series is made of heavy duty cast iron, while the shaft and fasteners are 300 series stainless steel. This series can handle up to 3” maximum waste solids. The WS_D4 series features a discharge size of 4" flanged horizontal. This series is ideal for general sewage systems, flood and pollution control, farms, hospitals, trailer courts and motels. The WS_D4 series can also handle general dewatering and effluent applications. Read Buyers Guide

The Goulds WW05 series of sewage pumps is single-phase operated and can move water with up to 2″ diameter waste solids. This series features a rugged construction with the volute casing made of glass-filled thermoplastic for superior strength and corrosion resistance. The impeller is glass filled thermoplastic as well and shaped into a full-vortex design, with pump out vanes to direct corrosive waste and solids away from the mechanical seal. The WW05 series also features a discharge size of 2" NPT vertical. These sturdy pumps are specifically designed for use in residential wastewater systems and can also be used for dewatering for groundwater and general water transfer purposes. Read Buyers Guide

QUESTIONS? For help selecting and sizing the right Goulds pump or replacement parts talk directly with our Goulds Pump Customer Support Team at 1-800-429-0800

 

 

Liberty Sewage Pumps Review:

Liberty's LE50-series cast iron sewage pump is a commercial-grade workhorse for residential and light commercial applications. Its efficient 1/2 hp motor with permanently lubricated bearings, stainless steel fasteners and Quick-connect power cord design make this a favorite choice among professionals. Other features include 2" solids-handling ability and a shut-off head of 25 feet.

Liberty's LE70-series is a 3/4 hp sewage pump with 2" solids-handling capability. Constructed of heavy cast iron with a tough epoxy powder coat finish, stainless steel fasteners and rotor shaft, the LE70 is designed for durability. This series is available in 2" or 3" discharge configurations and a wide range of voltages, plus has a quick-connect cord design which allows for an easy interchange of power cords in 10', 25' and 35' lengths as well.

Liberty's LE100-series is a 1 hp sewage pump with 2" solids-handling capability. Constructed of heavy cast iron with a tough epoxy powder coat finish and stainless steel fasteners, the LE100 is designed for years of trouble-free performance. Its Quick-connect power cord allows for easy interchangeability and is available in 10', 25', 35', and 50' lengths. The LE100 can be ordered in 2" or 3" discharge configurations and a wide range of voltages.

Liberty Sewage Pump collection contains the LEH Family, which includes LEH100, LEH150, & the LEH200 series.

The LEH100 by Liberty is a high head 2" solids-handling sewage pump. Built on the same platform as the LE100-Series, the LEH100 features all heavy cast iron housings, stainless steel fasteners and Liberty's quick-connect power cord design. Available in 2" or 3" discharge and a variety of voltages, the LEH100 has a maximum head of 53 feet and is backed by Liberty's 3-year warranty.

The LEH150 by Liberty is a high head 2" solids-handling sewage pump. The LEH150 features Liberty's unique one-piece cast iron body and Quick-connect power cords. Available in 2" or 3" flanged discharge and a variety of voltages, the LEH150 has a maximum head of 70 feet and is backed by Liberty's 3-year warranty.

The LEH200 by Liberty is a high head 2" solids-handling sewage pump. The LEH200 features Liberty's unique one-piece cast iron body and Quick-connect power cords, is also available in 2" or 3" flanged discharges and has a variety of voltages. This LEH200 has a maximum head of 83 feet and is backed by Liberty's 3-year warranty as well.

PumpProducts.com carries the most popular Liberty Ejector Pumps on the market. These pumps are in-stock and ready to ship out the same day.

QUESTIONS? For help selecting and sizing the right Liberty pump or replacement parts talk directly with our Liberty Pump Customer Support Team at 1-800-429-0800

 

 

Zoeller Sewage Pumps Review:

Zoeller Ejector Pumps are often referred to as a sewage pump or sewage grinder pump. These types of pumps replace gravity during the transportation of waste from a plumbing space that is situated underneath the remainder of the system. These pumps are often found in a bathroom, laundry room or other plumbing fixture that is installed below the level of the main sewer. Ejector Pumps are considered high volume/low pressure solids handling pump. Ejector pumps do not have grinding blades. They use an intake that spins the gray water or sewage through the bottom of the pump and forces it under pressure out of the outlet and into the discharge pipe. These pumps are generally designed to handle up between 0-2” diameter solids. The most common application for the Zoeller Sewage Pump is to move gray water or raw sewage from the residence to a septic tank or sewer main. These pumps are made for the tough and demanding task of transferring effluent and wastewater.

Zoeller has many popular Series under this category, for example the “Builder Series”, “Aqua-Mate” and “Waste-Mate” all fall under the Zoeller Sewage Ejector Pump category. These submersible pumps are designed for use in residential or light commercial dewatering and wastewater applications and can be used to transfer effluent or raw sewage. The innovative vortex impeller design reduces the risk of clogging and allows each pump to pass 2” spherical solids. These pumps are constructed of a non-corrodible engineered plastic motor housing, pump housing, base and impeller.

Another popular model is the Sewage Waste 600, which is part of Zoeller’s Sewage Pump collection. These submersible pumps are designed for use in commercial dewatering and wastewater applications and can be used to transfer wastewater or unscreened raw sewage. The semi-open reversing impeller design reduces the risk of clogging and allows each pump to pass a 2½" spherical solid. Rail systems are also available for all models in this series. Rail models are used to help easily raise and lower the pump for service and maintenance.

PumpProducts.com carries the most popular Zoeller Ejector Pumps on the market and these products are in stock at our warehouse. PumpProducts.com is a stocking distributor of all types of Zoeller products. All of Zoeller’s pumps have been 100% pressure-tested, submerged and run to ensure quality even before it reaches the customers door. This quality assurance guarantees PumpProducts.com get customers nothing but the best for all their pumping needs.

QUESTIONS? For help selecting and sizing the right pump or replacement parts talk directly with our Zoeller Pump Customer Support Team at 1-800-429-0800

 

How To Size A Sewage Pump System

Sewage stinks. It’s not a very pleasant thing to think about and most people probably would prefer their sewage to be out of sight and out of mind. Few things are as big a headache for a property owner or municipality manager as backed up sewage water. Whether the building in question is a home or business, the smell of sewage can produce a dreadful environment. Removing wastewater and sizing a new pump for your sewage pump system is an involved process.

If you are experiencing a problem such as the sewage water backing up or simply not draining quickly enough, it is important to determine the origin of the problem and think about possible solutions. If a pump stopped working because of age or natural wear, it is easy enough to replace the old model with a new one. But you should take the opportunity to examine the holistic health of your sewage system.

SEWAGE PUMP SYSTEMPumpProducts.com technicians installing a sewage pump system.

Similarly, if you are building a new house or you just refurbished your basement and want to add a bathroom, it is imperative to consider all the aspects of wastewater removal in your system. If the system is a new project, you may need to dig a new sewage pit to have a basin installed.

Examining the whole of a system can help you update your infrastructure to comply with new codes, identify potential problem points before they occur or simply make your fluid transportation more efficient, saving time and money in the long run.

PumpProducts.com will walk you through the process of sizing a sewage pump for a system. First, it is essential to understand the basics of municipal sewage systems and whether or not you actually need a sewage pump.

 

UNDERSTANDING HOW SEWAGE SYSTEMS WORK

Most American municipal systems have two types of underground sewer lines dedicated to water collection and disposal: the storm sewer and the sanitary sewer.

The storm sewer collects rainwater surface runoff from catch basins and transports the water to the nearest natural reservoir, such as a river or stream. The sanitary sewer transports wastewater directly from building sewage systems to a water treatment plant where contaminants are removed (Some older cities have combined sewer systems).

For buildings at grade (ground level), gravity takes care of transporting the wastewater to the sanitary sewer. Sewage pumps are necessary if the sanitary sewer line is located at a level above your home wastewater line or if you have a toilet below the sanitary sewer line, as is often the case for basement bathrooms.

As the name suggests, sewage lifting stations also rely on sewage pumps. Lifting stations are integral links in the chain connecting neighborhoods to water treatment facilities.

Check the codes for your area to see what aspects you are responsible for within the system. Your municipality should also have exact records of where your property line ends and public property begins. To determine if a problem is with the property sewer line or the public line, try contacting the town or utility company. A plumbing professional can also assist with diagnosis.

The sewage system can be configured in various ways. Automatic systems will require float switches and a control panel to turn the pump on or off.

A simplex system is a one pump system while a duplex system is a two pump system in which each pump serves as a redundancy to share the workload, resulting in less wear on the pumps. Simplex systems are mostly used in domestic settings. Duplex systems are recommended for municipal, commercial and industrial applications.

Selecting a Model

When selecting a pump model you should know the voltage, phase of power, amperage and horsepower of your previous pump. This information should be listed on a pump tag. The video below provides a guide to using the tag to identify your pump. If you cannot locate the tag or if the label is degraded, you can try taking a picture of the pump and sending it to the experts here at PumpProducts.com.

The pump’s discharge size is important for configuring the pump with the existing pipe system; the discharge pipe size should never be a smaller diameter than the pump’s discharge outlet. Suction/discharge sizes will sometimes be listed on the casing.

The average size for waste solids in residential systems is 1 ½” or larger. For commercial or industrial systems, the average solids size is 2 ½” or larger. 

Flow and total dynamic head (TDH) are integral in selecting a pump. Your water flow requirements, measured in GPM, are based on the number of people using the system, peak usage times and the number of water fixtures (e.g. toilet, sink). The charts for discerning water supply fixture units for both individual and group fixtures, as well as a chart for converting the WSFU demand to GPM can be found here.

The GPM is also critical information that you need to calculate your TDH. Scouring the pipes is important to prevent clogs, water hammer and backflow. Once you have the flow and head you can select a pump using a manufacturer’s pump performance curve charts.

Selecting a Basin

The sewage basin or holding tank serves as a temporary receptacle for the wastewater while also housing the submersible sewage pump that ejects the wastewater to the main sewer line. Correct sizing of the basin is critical for smooth discharge, preventing overflow and ensuring safe pump cycling.

To size your basin, here’s what you should keep in mind:

–Whether you are using a simplex or duplex system.
–Required construction material of the basin body and of the lid (poly, fiberglass, steel).
–Pipe fits: The basin has a discharge and suction pipe that should size match with both the sewer line pipe and the pump’s discharge pipe.
–The basin lid should have a vent to prevent air locking and aid in the management of gases.
–Required size for the basin inlet.
–Guide Rails: It is strongly recommended to install a basin on a guide rail system. The guide rail makes removing the pump easy, reducing maintenance time and cost while keeping personnel safe.

The actual basin capacity is important to make sure the pump cycles properly. For instance, if the basin is too small for your flow requirements, the pump will keep running to evacuate the water and prevent overflow.

A minimum diameter of 24” is required for simplex systems while duplex systems require at least 36”. Here’s a handy chart from Goulds that explains how to use your GPM and gallons per inch to size your basin.

Other Accessories and System Components

If you are installing a new control panel, make sure you know the proper electrical supply requirements for the pump and building in question. Most homes and standard commercial buildings in the United States typically operate at a single phase power and 115/230 V.  In the U.S., electrical grids operate with a frequency of 60 Hz. Amp range is also an important factor.

PumpProducts.com experts recommend using a wide angle tethered style float switch as other switches might be more susceptible to clogging from waste solids. If you have correctly sized your basin, make sure the float switch cord is the proper length to operate within that basin. The amperage range of the float should be compatible with the pump.

A check valve is required to prevent backflow and for code compliance.

Sewage or Grinder (or Shredder?) What’s the Difference?

When considering terminology, remember that all grinder pumps are sewage pumps but not all sewage pumps are grinder pumps. Sewage pumps are designed to pass waste solids up to 2” in diameter. Grinder pumps can turn waste solids into a slurry that can be more easily transported through the piping. In this case, “waste solids” refers to organic waste and standard issue toilet paper that can be easily broken down.

A common misconception is that grinder pumps can macerate heavy objects such as feminine products, plastics and loose items of clothing. If clogging is a consistent problem – say you own a motel and guests are inconsiderate about what they flush down the toilet – it may behoove you to select a dedicated nonclog shredder or cutter pump. As seen in this video, shredders are expressly designed to destroy synthetic solids, such as diapers or plastic bottles.

Sizing and configuring a sewage system is a delicate, comprehensive process. Other important factors to keep in mind are the temperature of the liquid that will be pumped, as well as the construction materials of the pump itself. Durable materials and a strong warranty are recommended. Know if the materials are rated for indoor or outdoor applications. Outdoor components require weatherproofing.

If you do not want to deal with the inconvenience and expense of buying separate components consider buying a sewage system package. Packages can include all the pre-assembled components, streamlining the process considerably.

 

How To Identify The Parts Of A Sewage Pump

Most people never consider the components of a pump until one breaks. If you are not getting water or your basement is flooded, you might know that something is wrong with the pump – but you have no idea what you’re looking at. PumpProducts.com will break down the parts of a submersible sewage pump to give you a better understanding of how a pump is constructed how the parts fit together to move fluid. 

Why should you be able to identify pump repair parts? As with any other piece of mechanical equipment, familiarity with the components can help you understand proper functioning, assist you in diagnosing potential problems and enable you to repair the pump yourself, should you be so inclined.

Plus, a little extra knowledge never hurt anybody.

 

PUMP COMPONENTS

A pump is composed of two main parts: the volute and the motor. A volute is the curved casing that receives the fluid. The fluid’s rate of flow decreases while the flow pressure increases.

Volute

Inside the volute and connected to the motor shaft is the impeller. An impeller is a rotor used to increase both the pressure and flow of a fluid. There are four components to an impeller:

–The eye, where the fluid enters.
–The veins, which push the fluid.
–The channels, which are the spaces in between the veins where the fluid flows.
–The bore, in which the motor shaft attaches.

Impellers exist in a wide variety of types. All impellers are either single or double suction; single suction impellers allow the fluid to enter through one direction, while double suction types allow fluid to enter on either side of the impeller simultaneously.

Impellers have three main configurations: open, semi-open or closed. Open impellers have a series of vanes attached to the central unit. Semi-open impellers contain the vanes in a wear ring design to allow solids to pass through. Closed impellers have a wear ring completely surrounding the vanes. The wear ring is designed to protect the impeller from degradation over time.

It is important to keep in mind that changing the impeller type and dimensions will change the application, flow and differential head.

Diffuser

The next component is the diffuser. The diffuser increases the flow rate while decreasing flow velocity, which in turn increases flow pressure. Diffusers can come in a ring form separate from the impeller or as vanes on the impeller itself.

Some pumps, like submersible well pumps for instance, will be multi-stage, in which there are multiple levels of the pump, each housing its own impeller and diffuser.

The volute will also feature a suction inlet where the water enters and a discharge outlet from which the water exits.

It is important to understand how the components work together to move fluid. The shaft, powered by the motor, connects to and spins the impeller, creating suction. The suction power brings water into the volute through the inlet and ejects water out through the discharge outlet.

Motor

The next main pump component is the motor or the drive that converts electrical energy into mechanical energy. The motor is the workhorse of the pump, the thing that drives the fluid and allows it to work. The motor can either be fan cooled (TEFC) or oil cooled (ODP).

The motor consists of several parts:

–A rotor: The moving part that turns the shaft.
–A stator: The stationary part of the motor’s electromagnetic circuit.
–The windings, which are wires that are laid in coils, usually wrapped around a laminated soft iron magnetic core so as to form magnetic poles when energized with current.
–The commutator, which consists of slip ring segments used to switch the input of most DC machines and certain AC machines.
–Attached to the rotor is the spline shaft, which attaches at the other end to the impeller. This shaft delivers the mechanical power, transferred from the motor to the volute.
–Covering the motor shaft is the shaft sleeve or bearing. The shaft sleeve supports the applied load while allowing the motion of the shaft and reducing friction.

The power source supplies the electricity which is transferred to the motor by the power cable. The stator consists of the windings and laminations (or thin metal sheets) and form the electromagnetic poles. The commutator alternates these poles which interacts with the rotor, making it turn. The shaft connects to the rotor on one end turning the impeller attached to the other end.

Mechanical Seal

One of the most important components is the mechanical seal, which reduces leakage between the rotating shaft and the stationary pump casing. Two seal faces or surfaces maintain contact at a sealing interface. One seal face rotates with the shaft and one is stationary. 

A mechanical seal: includes a spring actuator, a primary seal face and a secondary seal face.

The seal must contain four functional components:

–First, the primary seal face, often constructed with silicon carbide, ceramic or tungsten carbide, is embedded in the pump casing and in the rotating assembly. The seal face rotates with the shaft.
–The secondary seal face is stationary.
–You also need a means of actuation such as a spring, in conjunction with the water pressure itself.
–Finally, a means of drive. In this case, the motor.

The seal sits inside of the seal cover plate. The stationary surface presses against the cover plate and has the other surface rotating with the shaft seal, which slides inside of the entire seal. The configuration creates a watertight barrier that prevents water from leaking through to the motor.

 

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