--- title: Pump Repair, Selection & Fluid Handling Guides | EV Pump Blog (2) description: Practical pump guides, troubleshooting tips, and field insights from EV Pump's technicians. Written for maintenance managers and operators, not marketers. (2) image: https://evpmp.co/hubfs/Website%20Feature%20Images/Home%20Feature%20Image%20-%20Website%20Images%20-%20EV%20Pump%20(1).png --- [Skip to the main content.](https://evpmp.co/blog/page/2#main-content) [![WHITE_TRANSAPRENT_CROPPED](https://evpmp.co/hs-fs/hubfs/Logo/WHITE_TRANSAPRENT_CROPPED.png?width=1895&height=1060&name=WHITE_TRANSAPRENT_CROPPED.png "WHITE_TRANSAPRENT_CROPPED")](https://evpmp.co) [![Horizontal Logo - EV Pump](https://evpmp.co/hs-fs/hubfs/Logo/Horizontal%20Logo%20-%20EV%20Pump.png?width=7042&height=500&name=Horizontal%20Logo%20-%20EV%20Pump.png "Horizontal Logo - EV Pump")](https://evpmp.co) - [About](https://evpmp.co/about-us) - [About Us & Our Team](https://evpmp.co/about-us) - [Brands We Support & Service](https://evpmp.co/pump-brands) - [Industries We Serve](https://evpmp.co/about-us#industries) - FAQ Coming Soon! - [Services](https://evpmp.co/#services) - [Custom Pump Design](https://evpmp.co/custom-fluid-handling-systems) - [Repair, Replace & Rebuild](https://evpmp.co/pump-repair-replacement-rebuild) - [Preventative Maintenance](https://evpmp.co/pump-maintenance) - [Outsourced Service Work](https://evpmp.co/outsourced-service-work) - Contact Us for - [Equipment Rentals](https://evpmp.co/contact-us) - [Pump Sales & System Components](https://evpmp.co/contact-us) - [Other Equipment Repair](https://evpmp.co/contact-us) - [Custom Machining & Hard-To-Find Parts](https://evpmp.co/contact-us) - [Mobile Services](https://evpmp.co/contact-us) - Resources - [Case Studies](https://evpmp.co/blog/tag/case-studies) - [Our Blog](https://evpmp.co/blog) - [About Fluid Handling Systems](https://evpmp.co/fluid-handling-systems) - [About C-Pumps](https://evpmp.co/fluid-handling-systems/centrifugal-pump) - [View All Resources](https://evpmp.co/resources) - [Outsource Your Work](https://evpmp.co/outsourced-service-work) - [In-Stock Parts](https://evpmp.co/in-stock-pump-parts) Search [  337-252-6487](tel:337-252-6487) [Contact Us](https://evpmp.co/contact-us) Toggle Menu Search Toggle Menu [  337-252-6487](tel:337-252-6487) [Contact Us](https://evpmp.co/contact-us) - [About](https://evpmp.co/about-us) - [About Us & Our Team](https://evpmp.co/about-us) - [Brands We Support & Service](https://evpmp.co/pump-brands) - [Industries We Serve](https://evpmp.co/about-us#industries) - FAQ Coming Soon! - [Services](https://evpmp.co/#services) - [Custom Pump Design](https://evpmp.co/custom-fluid-handling-systems) - [Repair, Replace & Rebuild](https://evpmp.co/pump-repair-replacement-rebuild) - [Preventative Maintenance](https://evpmp.co/pump-maintenance) - [Outsourced Service Work](https://evpmp.co/outsourced-service-work) - Contact Us for - [Equipment Rentals](https://evpmp.co/contact-us) - [Pump Sales & System Components](https://evpmp.co/contact-us) - [Other Equipment Repair](https://evpmp.co/contact-us) - [Custom Machining & Hard-To-Find Parts](https://evpmp.co/contact-us) - [Mobile Services](https://evpmp.co/contact-us) - Resources - [Case Studies](https://evpmp.co/blog/tag/case-studies) - [Our Blog](https://evpmp.co/blog) - [About Fluid Handling Systems](https://evpmp.co/fluid-handling-systems) - [About C-Pumps](https://evpmp.co/fluid-handling-systems/centrifugal-pump) - [View All Resources](https://evpmp.co/resources) - [Outsource Your Work](https://evpmp.co/outsourced-service-work) - [In-Stock Parts](https://evpmp.co/in-stock-pump-parts) [Linkedin](https://www.linkedin.com/company/ev-pump-and-equipment) ## Who We Are ### **Trusted to fix what others can’t.** Based in Lafayette and trusted across the Gulf Coast, we bring real-world experience to every job and build long-term trust with the people running it. ##### Our Company - [About Us & Our Team](https://evpmp.co/about-us) - [Brands We Support & Service](https://evpmp.co/pump-brands) - [Industries We Serve](https://evpmp.co/about-us#industries) - FAQ Coming Soon! ## Comprehensive Pump & Equipment Solutions ### **If it rotates, moves fluid, or needs fixing, we’ve got it covered.** From pump repair and rebuilds to custom machining and hard-to-source parts, we’re the team you call when no one else can figure it out. ##### Learn More - [Custom Pump Design](https://evpmp.co/custom-fluid-handling-systems) - [Repair, Replacement & Rebuilds](https://evpmp.co/pump-repair-replacement-rebuild) - [Preventative Maintenance](https://evpmp.co/pump-maintenance) - [Outsourced Service Work](https://evpmp.co/outsourced-service-work) ##### Contact Us for - [Equipment Rentals](https://evpmp.co/contact-us) - [Pump Sales & System Components](https://evpmp.co/contact-us) - [Other Equipment Repair](https://evpmp.co/contact-us) - [Custom Machining & Hard-to-Find Parts](https://evpmp.co/contact-us) - [Mobile Services](https://evpmp.co/contact-us) ## **"** We believe our impact goes beyond pumps. The energy and industrial sectors are crucial to global development, and we’re proud to contribute with our expertise and broad vision. - Clark Edwards, Owner ##### Our Resources - [Case Studies](https://evpmp.co/blog/tag/case-studies) - [Our Blog](https://evpmp.co/blog) - [About Fluid Handling Systems](https://evpmp.co/fluid-handling-systems) - [About C-Pumps](https://evpmp.co/fluid-handling-systems/centrifugal-pump) - [View All Resources](https://evpmp.co/resources) # The Pump Solutions Authority ## EV Pump & Equipment Blog Filter by Tag Show All Case Studies Centrifugal Pumps Charge Pumps Chemical Injection Skids Chemical Processing Critical Spare Parts Custom Machining Diaphragm Pumps Diesel Engines Drilling Gasket Manufacturing Gear Pumps Grinder Pumps HDD High-Pressure High-Viscosity Injection Pumps Metallurgy Mud Pumps Oil & Gas Outsourced Service Work Peristaltic Pumps Positive Displacement Pumps Pump Design Repair & Rebuild Self-Priming Pumps Skids Submersible Pumps Trash Pumps Wastewater Well Servicing ### We offer monthly updates for professionals looking for valuable content and insights. Sign up below! [![Front view of a skid-mounted chemical injection unit with two yellow poly tanks, Yanmar-driven pump, battery box, and coiled black hose framed between two posts on an outdoor pad with grass and trees in the background.](https://evpmp.co/hs-fs/hubfs/Udor%20Chemical%20Injection%20Pump%20Case%20Study/Udor%20Chemical%20Injection%20Pump%20Case%20Study%20(1).png?width=900&height=450&name=Udor%20Chemical%20Injection%20Pump%20Case%20Study%20(1).png)](https://evpmp.co/blog/how-ev-pump-built-a-chemical-injection-skid-for-turbo-chem) #### [How EV Pump Built a Chemical Injection Skid for Turbo Chem](https://evpmp.co/blog/how-ev-pump-built-a-chemical-injection-skid-for-turbo-chem) Jan 27, 2026, 6:55:22 AM EV Pump designed and built a custom chemical injection skid for Turbo Chem International, replicating a proven design while improving safety, reliability, and long-term serviceability. The project included a full 3D model, upgraded metallurgy and... [Case Studies](https://evpmp.co/blog/tag/case-studies) [Chemical Injection Skids](https://evpmp.co/blog/tag/chemical-injection-skids) [Skids](https://evpmp.co/blog/tag/skids) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/how-ev-pump-built-a-chemical-injection-skid-for-turbo-chem) [![Realistic side-by-side view of a submersible wastewater pump installed below ground next to an above-ground self-priming trash pump in a municipal lift station setting](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Submersible%20vs%20Self-Priming%20Trash%20Pumps%20What%E2%80%99s%20Best%20for%20Your%20System%20(1)%20(1).png?width=1200&height=600&name=Submersible%20vs%20Self-Priming%20Trash%20Pumps%20What%E2%80%99s%20Best%20for%20Your%20System%20(1)%20(1).png)](https://evpmp.co/blog/submersible-vs-self-priming-trash-pumps-whats-best-for-your-system) #### [Submersible vs Self-Priming Trash Pumps: What’s Best for Your System?](https://evpmp.co/blog/submersible-vs-self-priming-trash-pumps-whats-best-for-your-system) Jan 20, 2026, 11:31:13 AM Choosing between a submersible sewage pump and an above-ground self-priming trash pump isn’t just a design preference - it’s an uptime, maintenance,... [Trash Pumps](https://evpmp.co/blog/tag/trash-pumps) [Critical Spare Parts](https://evpmp.co/blog/tag/critical-spare-parts) [Wastewater](https://evpmp.co/blog/tag/wastewater) [Submersible Pumps](https://evpmp.co/blog/tag/submersible-pumps) [Self-Priming Pumps](https://evpmp.co/blog/tag/self-priming-pumps) [Read More](https://evpmp.co/blog/submersible-vs-self-priming-trash-pumps-whats-best-for-your-system) [![Illustrated scene showing a rugged self-priming trash pump labeled “Original” on one side and several dull gray “universal” copycat trash pumps on the other, with warning icons, a faded patent document in the background, and a shelf of critical spare parts in an industrial wastewater setting to represent the risks and choices after a trash pump patent expires.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Super%20T-Series%20Trash%20Pump%20Copycats%20Whats%20Changed%20%26%20What%20to%20Look%20For%20(1).png?width=1200&height=600&name=Super%20T-Series%20Trash%20Pump%20Copycats%20Whats%20Changed%20%26%20What%20to%20Look%20For%20(1).png)](https://evpmp.co/blog/super-t-series-trash-pump-copycats-whats-changed-what-to-look-for) #### [Super T-Series Trash Pump Copycats: What's Changed & What to Look For](https://evpmp.co/blog/super-t-series-trash-pump-copycats-whats-changed-what-to-look-for) Jan 12, 2026, 2:25:13 PM When a pump patent expires, it opens the door for more options, more price points, and more risk if you don’t know what you’re buying. In this post,... [Trash Pumps](https://evpmp.co/blog/tag/trash-pumps) [Critical Spare Parts](https://evpmp.co/blog/tag/critical-spare-parts) [Wastewater](https://evpmp.co/blog/tag/wastewater) [Read More](https://evpmp.co/blog/super-t-series-trash-pump-copycats-whats-changed-what-to-look-for) [![Three rebuilt blue Viking gear pumps on wooden skids on a flatbed trailer at sunset, staged for delivery and installation.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/How%20EV%20Pump%20Rebuilt%20Obsolete%20Viking%20Gear%20Pumps%20Before%20Grinding%20Season%20(1)%20(1).png?width=1200&height=600&name=How%20EV%20Pump%20Rebuilt%20Obsolete%20Viking%20Gear%20Pumps%20Before%20Grinding%20Season%20(1)%20(1).png)](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season) #### [How EV Pump Rebuilt Obsolete Viking Gear Pumps Before Grinding Season](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season) Jan 5, 2026, 10:44:43 AM EV Pump rebuilt three obsolete Viking gear pumps for Lafourche Sugars in time for pre-season test runs, restoring flow and reducing truck-loading... [Gear Pumps](https://evpmp.co/blog/tag/gear-pumps) [Case Studies](https://evpmp.co/blog/tag/case-studies) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season) [![A lineup of industrial pumps and engines including a blue centrifugal pump, an electric motor-driven pump skid, and a green diesel engine pump — representing critical spare parts and fluid handling systems supported by EV Pump.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Critical%20Spares%20What%20Should%20You%20Keep%20On%20Hand%20for%20Your%20Pump%20System%20(1).png?width=1200&height=600&name=Critical%20Spares%20What%20Should%20You%20Keep%20On%20Hand%20for%20Your%20Pump%20System%20(1).png)](https://evpmp.co/blog/critical-spares-what-should-you-keep-on-hand-for-your-pump-system) #### [Critical Spares: What Should You Keep On Hand for Your Pump System?](https://evpmp.co/blog/critical-spares-what-should-you-keep-on-hand-for-your-pump-system) Nov 24, 2025, 7:08:40 PM Having the right spare parts on hand isn’t just a precaution. It’s key to uptime, reliability, and long-term cost savings in your pump system. In... [Critical Spare Parts](https://evpmp.co/blog/tag/critical-spare-parts) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/critical-spares-what-should-you-keep-on-hand-for-your-pump-system) [![Old industrial pump skid with a large turquoise and rusted multi-port pump system mounted under a yellow metal canopy in a grassy field, used for heavy-duty fluid handling or diesel-driven operations.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Outsourcing%20Pump%20Service%20Work%20How%20EV%20Pump%20Turns%20Backlog%20Into%20Profit%20(4)%20(1).png?width=900&height=450&name=Outsourcing%20Pump%20Service%20Work%20How%20EV%20Pump%20Turns%20Backlog%20Into%20Profit%20(4)%20(1).png)](https://evpmp.co/blog/outsourcing-pump-service-work-how-ev-pump-turns-backlog-into-profit) #### [Outsourcing Pump Service Work: How EV Pump Turns Backlog Into Profit](https://evpmp.co/blog/outsourcing-pump-service-work-how-ev-pump-turns-backlog-into-profit) Nov 4, 2025, 8:20:23 AM When your shop is at capacity, outsourcing service work to EV Pump keeps your projects moving and your customers satisfied. Learn how partnering with... [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/outsourcing-pump-service-work-how-ev-pump-turns-backlog-into-profit) [![Modern diesel pump engine with visible exhaust system and components, representing Tier 3 and Tier 4 engine technology choices compared to electric-driven pumps.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Which%20Should%20You%20Choose%20Tier%204%20or%203%20Diesel%20Engines%20vs.%20Electric%20Pumps%20(1).png?width=1200&height=600&name=Which%20Should%20You%20Choose%20Tier%204%20or%203%20Diesel%20Engines%20vs.%20Electric%20Pumps%20(1).png)](https://evpmp.co/blog/which-should-you-choose-tier-4-or-3-diesel-engines-vs-electric-pumps) #### [Which Should You Choose? Tier 4 or 3 Diesel Engines vs. Electric Pumps](https://evpmp.co/blog/which-should-you-choose-tier-4-or-3-diesel-engines-vs-electric-pumps) Oct 23, 2025, 9:52:29 AM Tier 4 diesel engines are the latest standard. Computerized, DEF-driven, and built to meet today’s emissions requirements. Tier 3 engines are the... [Diesel Engines](https://evpmp.co/blog/tag/diesel-engines) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/which-should-you-choose-tier-4-or-3-diesel-engines-vs-electric-pumps) [![Digital graphic featuring seven different metals used in pump construction—cast iron, bronze, 316 stainless steel, CD4MCu, super duplex stainless, alloy 20, and Hastelloy—displayed in a rugged, industrial-style layout with metallic textures, designed as a feature image for the metallurgy blog.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Metallurgy%20Cast%20Iron%20vs%20Stainless%20Steel%20vs%20CD4MCu%20and%20Other%20Metals%20(1)%20(1).png?width=1200&height=600&name=Metallurgy%20Cast%20Iron%20vs%20Stainless%20Steel%20vs%20CD4MCu%20and%20Other%20Metals%20(1)%20(1).png)](https://evpmp.co/blog/metallurgy-cast-iron-vs-stainless-steel-vs-cd4mcu-and-other-metals) #### [Metallurgy: Cast Iron vs Stainless Steel vs CD4MCu and Other Metals](https://evpmp.co/blog/metallurgy-cast-iron-vs-stainless-steel-vs-cd4mcu-and-other-metals) Oct 10, 2025, 12:20:59 PM One of the most common questions I hear is: "what’s the real difference between cast iron, stainless steel, and duplex alloys - and how do I know... [Metallurgy](https://evpmp.co/blog/tag/metallurgy) [Pump Design](https://evpmp.co/blog/tag/pump-design) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild) [Read More](https://evpmp.co/blog/metallurgy-cast-iron-vs-stainless-steel-vs-cd4mcu-and-other-metals) [![Three industrial centrifugal pumps displayed side-by-side, showing different angles including front, side, and back views, with metallic and blue-painted housings against a dark geometric background.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/A%20Centrifugal%20Pump%20Selection%20Guide%20(1).png?width=1200&height=600&name=A%20Centrifugal%20Pump%20Selection%20Guide%20(1).png)](https://evpmp.co/blog/centrifugal-pump-selection-guide) #### [Centrifugal Pump Selection Guide: How to Choose the Right Pump](https://evpmp.co/blog/centrifugal-pump-selection-guide) Aug 19, 2025, 6:14:13 PM Choosing the right centrifugal pump isn’t just about moving fluid from point A to point B, it’s about system performance, reliability, and longevity.... [Centrifugal Pumps](https://evpmp.co/blog/tag/centrifugal-pumps) [Read More](https://evpmp.co/blog/centrifugal-pump-selection-guide) [![Collage of various industrial and agricultural pump systems, including a submersible pump, centrifugal pump, irrigation surface pump, and wastewater setup, representing different types of fluid handling equipment in real-world environments.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Which%20Pump%20Should%20You%20Use%20A%20Comparison%20of%20the%20Most%20Common%20Pump%20Types%20(1).png?width=1200&height=600&name=Which%20Pump%20Should%20You%20Use%20A%20Comparison%20of%20the%20Most%20Common%20Pump%20Types%20(1).png)](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types) #### [Which Pump Should You Use? A Comparison of the Most Common Pump Types](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types) Jul 24, 2025, 12:28:07 PM At EV Pump, we’re constantly asked the same question: “What kind of pump do I actually need for this job?” And it’s a good question - because the... [Mud Pumps](https://evpmp.co/blog/tag/mud-pumps) [Centrifugal Pumps](https://evpmp.co/blog/tag/centrifugal-pumps) [Positive Displacement Pumps](https://evpmp.co/blog/tag/positive-displacement-pumps) [Charge Pumps](https://evpmp.co/blog/tag/charge-pumps) [Peristaltic Pumps](https://evpmp.co/blog/tag/peristaltic-pumps) [Diaphragm Pumps](https://evpmp.co/blog/tag/diaphragm-pumps) [Grinder Pumps](https://evpmp.co/blog/tag/grinder-pumps) [Trash Pumps](https://evpmp.co/blog/tag/trash-pumps) [Gear Pumps](https://evpmp.co/blog/tag/gear-pumps) [Read More](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types) [Prev](https://evpmp.co/blog/page/1) [1](https://evpmp.co/blog/page/1) [2](https://evpmp.co/blog/page/2) [3](https://evpmp.co/blog/page/3) [4](https://evpmp.co/blog/page/4) [Next](https://evpmp.co/blog/page/3) ## Have questions about our offerings? ### Leave Us a Message To Get Started How We Help - [In-Stock Parts (ready to ship!)](https://evpmp.co/in-stock-pump-parts) - [Outsource Your Work](https://evpmp.co/outsourced-service-work) - [Brands We Sell & Service](https://evpmp.co/pump-brands) - [View All Services](https://evpmp.co/#services) Company - [About Us & Our Team](https://evpmp.co/about-us) - [Our Blog](https://evpmp.co/blog) - [View All Resources](https://evpmp.co/resources) Contact - [Message Us](https://evpmp.co/contact-us) - [337-252-6487](tel:337-252-6487) - [308 Brents Loop Scott, LA 70583](https://www.google.com/maps/dir//308+Brents+Lp,+Scott,+LA+70583/data=!4m6!4m5!1m1!4e2!1m2!1m1!1s0x862498d6abd7fa4b:0x772a37192ef0c92c?sa=X&ved=1t:707&ictx=111) [![WHITE_TRANSAPRENT_CROPPED](https://evpmp.co/hubfs/Logo/WHITE_TRANSAPRENT_CROPPED.png)](https://evpmp.co) - [Privacy Policy](https://evpmp.co/privacy-policy) - [Your Privacy Choices ![Privacy Options](https://evpmp.co/hubfs/privacyoptions.png)](https://evpmp.co/your-privacy-choices) © 2026 Edwards Five (EV) Pump and Equipment LLC [Linkedin](https://www.linkedin.com/company/ev-pump-and-equipment) Return to top