Process & OEM Pumps, From Stock or Built-to-Spec™
A 50 year legacy of high quality environmentally safe sealless pumps.
Leading pump company since 1975.
Warrender has served as a leading pump company, since 1975 meeting challenging Process & OEM Pump systems as well as sealless retrofit pumps. We possess the design and engineering expertise to provide our customers with extremely reliable and durable pumps at value-driven price range. By providing proven and superior-grade sealless and Caster Pumps, we have gained extreme industry reputation and have earned the trust of customers from multifarious industrial sectors. We own a rich portfolio of products that are known in the international market for their exceptional quality, unsurpassed performance and unbeatable price range. Thousands of Warrender Pumps are currently in service worldwide, providing trouble-free performance in a wide range of industries.
Industries Served

Refrigeration
Warrender sealless mag-drive pumps provide safe and reliable solutions in arduous refrigeration services.
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Chemical
Warrender sealless mag-drive pumps provide safe and cost effective solutions in a myriad of chemical services.
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Oil and Gas
Warrender sealless mag-drive pumps provide safe and reliable solutions in various oil & gas services.
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Corrosive
Warrender corrosive handling pumps are available in mag-drive or mechanical seal configurations depending upon plant and process requirements
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Warrender Sealless Mag-Drive Pump Capabilities
Today, Warrender Pumps are readily available in an expansive range of hydraulic designs encompassing Centrifugal, Multistage, Regenerative Turbine, Retrofit, Rotary Vane and Low NPSH.
Since Warrender pumps have been fabricated using high-grade and corrosion-resistant materials, you don’t need to worry about their longevity and quality. Some of the major first-rated materials used in their construction include:
- 316-SS Alloy
- WCB Carbon Steel
- Hastelloy-C276 and Thermoplastic Polypropylene
- PVDF
- FRP- Fiberglass
- Fluoroplastic ETFE and PFA
Benefit from partnering with Warrender as our pumps are precision engineered to meet the demanding applications in a wide range of industrial sectors. Gain a good return on your investment as our pumps are:
- Offered in industry standards include API-610, API-685, ISO-2858, ANSI-B73.1 and Vertical Turbine.
- Available in Sealless Magnetic Drive, Canned Motor, Retrofit and Mechanical Seal configurations.
- Fabricated at WARRENDER Pump factories that meet stringent ISO-9001 quality standards with a culmination of many decades of pump engineering, technical expertise and knowhow.
- Tested comprehensively for any fault or inefficiency before being shipped to customers’ doorsteps. WARRENDER’s test facilities are among the most formidable in the pump industry.
- WARRENDER Pumps are backed by both a 12/18 month Warranty and a Performance Guarantee for all approved applications.
The latest Warrender sealless magnetic (mag-drive) pump designs replace earlier Caster Pumps Division configurations (e.g., MCA, MCH, MC-SP, MTA, MT, MT-SP, MPA, MP). These designs include the WMCA alloy centrifugal ISO-2858, API-685 pumps, API-610 pumps, ANSI-B73.1.
WMTA regenerative magnetic turbine pump, WMRA magnetic vane pump, WMCP thermoplastic centrifugal, WMTP thermoplastic regenerative turbine, and WMRP thermoplastic rotary vane - WARRENDER allows an easy transition from earlier Warrender - Caster Pump designs to our new updated sealless pump program.
Warrender Promo Video
A tour of solutions...
Warrender brings you a short visual taste of products for 2025. If you have any questions, just call or email us and we will be sure to help you find your solution.