--- title: Pump Repair, Selection & Fluid Handling Guides | EV Pump Blog | Clark Edwards (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/author/clark-edwards/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) # Clark Edwards [![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 which one to choose for my pump?” It’s a fair question and one that can make or break how your pump... [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) [![Side view of a full centrifugal pump made from CD4 material, captured during an outright sale of a new pump unit.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Understanding%20Key%20Components%20of%20a%20Centrifugal%20Pump%20(1).png?width=1200&height=600&name=Understanding%20Key%20Components%20of%20a%20Centrifugal%20Pump%20(1).png)](https://evpmp.co/blog/understanding-key-components-of-a-centrifugal-pump) #### [Understanding Key Components of a Centrifugal Pump](https://evpmp.co/blog/understanding-key-components-of-a-centrifugal-pump) May 12, 2025, 12:26:03 PM The main parts of a centrifugal pump are the impeller, casing (volute), shaft, bearings, mechanical seal, and wear rings. Each one does a specific... [Centrifugal Pumps](https://evpmp.co/blog/tag/centrifugal-pumps) [Read More](https://evpmp.co/blog/understanding-key-components-of-a-centrifugal-pump) [Prev](https://evpmp.co/blog/author/clark-edwards/page/1) [1](https://evpmp.co/blog/author/clark-edwards/page/1) [2](https://evpmp.co/blog/author/clark-edwards/page/2) ## 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