Flowserve Products are Known Worldwide for Holding up in Demanding Environments and are Effective for Use in Tough Applications.
Trusted Flowserve Mechanical Seals Supplier in AZ, NV, & NM
For Pumps Used in Commercial and Industrial Processes
When it comes to ensuring the smooth operation of your machinery, nothing plays a more crucial role than a high-quality mechanical seal. Pioneer Equipment is proud to be an authorized dealer for Flowserve mechanical seals, serving customers across Arizona, Nevada, and New Mexico, including Phoenix, Tucson, Las Vegas, and Albuquerque. Our extensive selection of mechanical seals—including those used in centrifugal pumps—ensures that whatever your industry or need, we have the solution to keep your equipment running at peak efficiency.
Pioneer Equipment stands out for its commitment to providing superior mechanical sealing solutions. As a leading mechanical seal supplier, we understand the importance of minimizing downtime and maximizing productivity. This is why we offer a comprehensive range of Flowserve mechanical seals for various applications.

Experience the Best in Mechanical Seal Solutions
With over sixty years of experience, Pioneer Equipment has become synonymous with quality and durability in the mechanical seal industry. We cater to a diverse clientele, including industrial and municipal customers.
Over time, our expertise has grown to encompass not just the sale, but also the detailed mechanical seal repair and maintenance. Customers seeking mechanical seals for water pumps or looking for durable industrial mechanical seals have continually relied on us to keep their equipment operating without fail. No matter how unique or challenging your sealing needs may be, our seasoned professionals are adept at diagnosing issues and implementing the right solutions.

Flowserve Mechanical Seals for Sale
Secure and Efficient Sealing Solutions for Industrial & Municipal Pumps

Cartridge Mechanical Seals
Flowserve’s line of cartridge seals is known worldwide for solving tough applications. Cart seals save time during installation and extend seal life dramatically over component seals.
- ISC2
- ISC2-682
- ISC2-MW
- P-50
- QB

Split Mechanical Seals
Flowserve’s PSI split mechanical seal is a third-generation masterpiece requiring only one person to install. It’s reliable, repairable, and quite remarkable, and it is best used on Split-Case pumps and Vertical Turbines.
- PSS4
- PSS III
- Split-Seal

Diamond Faced Mechanical Seals
Flowserve’s Ultra-Nanocrystalline diamond-faced mechanical seals can dramatically extend seal life from four to tenfold in many applications.
- UNCD

Mixer Mechanical Seals
Flowserve’s Mixer seals have a wide forgiveness tolerance.
- MixerPAC
- MSS
- MWC-200
- ST
- VRA

Slurry Mechanical Seals
Demanding slurry applications require a tough seal. Flowserve has several families to fit your applications.
- ALLPAC
- RIS
- SLM
- SLC

Engineered Mechanical Seals
BWIP Engineered Mechanical seals are commonly used for gas sealing technology in a wide variety of Industrial and Nuclear applications.
- AmpiFLOW
- CircPAC
- CleanPAC
- GasPAC
- N2GenPAC
- SupplyPAC
- TurboPAC

Component Pusher Seals
Flowserve’s pusher seals are economical. Good for simple clean fluids, component seals are an economical choice for some applications.
- CRO
- RA-C
- RO

Sealing & Bearing Accessories
BWIP Engineered Mechanical seals are commonly used for gas sealing technology and a wide variety of Industrial and Nuclear applications.
- Bearing Gard
- BGM
- Cyclone Separators
- Mag Separator
- Seal Gard
- SLD
- TurboPAC

Flush Plans & Coolers
Flowserve has a wide variety of seal support devices and flush plans to create favorable environments for your seal.
- Seal Coolers
- Circulators
- Reservoirs
- Fill Cart
- Gas Panel
- Piston Transmit
















Solve Common Pump Challenges with the Best Mechanical Seals
Customers often face a myriad of problems with their pumps, from leaks and corrosion to unexpected downtime. Pioneer Equipment is here to assist with long-lasting solutions that include durable Flowserve mechanical seals designed to withstand the harshest conditions. Whether it’s a slurry mechanical seal or a mixer mechanical seal, our products are engineered to provide a dependable seal to prevent fluid leakage and extend the lifespan of your pumps.
In addition to providing superior mechanical seals, we offer professional pump repair services in Arizona and Southern Nevada. Our experienced technicians can address and resolve common issues, ensuring your pumps and air compressors continue to operate efficiently.
Authorized Dealer of Flowserve Mechanical Seals
Based in Phoenix AZ, Pioneer Equipment, Inc. has stocking branch offices in three states and four metropolitan areas. For nearly sixty years, Pioneer Equipment has been a distributor and servicer of air compressors, pumping systems, and pumping system accessories. We carry a full range of Flowserve mechanical seal products and accessories at our branches in Phoenix and Tucson.
With capabilities to service compressors and pumps at each facility, Pioneer Equipment fully recognizes its value proposition to help its customer base achieve their goals for sustainable growth for all.

Keep Your Business Running Smoothly
with Our Air Compressors
Request a quote for our state-of-the-art air compressors, or contact us today to schedule air compressor repair services. At Pioneer Equipment, we are eager to help you select the perfect compressor for your business needs and provide continued support throughout your compressor’s lifecycle. Don’t wait—optimize your operations today and see the difference quality equipment makes.