Flowserve
Flowserve Pumps & OEM Parts at Siewert Equipment & Cummins-Wagner
Centrifugal, ANSI Process, Sealless, Vertical Turbine Pumps & Replacement Components
Siewert Equipment and Cummins-Wagner proudly supply Flowserve industrial pumps and OEM replacement parts across Upstate New York, Maryland, and Pennsylvania. With a rich legacy built on brands like Durco, Ingersoll Dresser, Byron Jackson, Innomag, Worthington, Limitorque and SIHI, Flowserve offers a complete line of end suction, split case, vertical turbine, non-metallic, and magnetically driven pumps, along with a broad inventory of genuine OEM parts—including impellers, mechanical seals, gaskets, bearings, sleeves, O-rings, and wet end kits.
Whether you’re designing a new pumping system or maintaining legacy process equipment, Flowserve delivers engineered pumping solutions known for durability, energy efficiency, and long-term performance across a wide range of industrial and municipal applications.
Cummins-Wagner has worked with Flowserve since 1973. Siewert Equipment has worked with Flowserve since 1949.
Installation includes 150hp & 300hp Flowserve Vertical Turbine pumps operating on VFDs. The different hp sizes handle normal & elevated water levels in the quarry.
Flowserve vertical turbine pumps installed for dewatering at a quarry.
What Are Flowserve Industrial Pumps?
Flowserve pumps are trusted worldwide for handling critical fluids in industrial, municipal, utility, and chemical processing systems. From high-volume sewage and water transfer to corrosive chemical applications, Flowserve designs each pump for optimum hydraulic efficiency and mechanical reliability.
Flowserve’s pump technologies include:
- ANSI Process Pumps (Durco Mark III): Standardized centrifugal pumps ideal for general industry and chemical processing
- Split Case Pumps: Double-suction, high-flow pumps used in waterworks and power plants
- Vertical Turbine Pumps: Multi-stage solutions for deep well, intake, and treatment applications
- Magnetic Drive Sealless Pumps: Zero-leakage pumps for hazardous and corrosive fluids (Durco, SIHI)
- Non-Metallic & Composite Pumps: Lightweight, chemical-resistant options for specialty applications
- Gear & Rotary Pumps: Positive displacement units designed for precise metering of viscous fluids
Flowserve pumps are engineered for low maintenance, superior efficiency, and maximum uptime—and are backed by a full catalog of Flowserve-certified replacement parts to extend service life.
Engineered by Flowserve: A Global Leader in Fluid Motion Technology
Flowserve unites some of the most respected pump brands in the industry—Durco, Ingersoll Dresser, Byron Jackson, Innomag, Worthington, Limitorque and SIHI—into a global manufacturing and engineering powerhouse.
With roots dating back over 200 years, Flowserve is a trusted name in pumps, valves, seals, and automation solutions across key industries like power generation, oil & gas, water treatment, and general manufacturing.
Longstanding Distributor Partnerships
Cummins-Wagner has partnered with Flowserve since 1973, and Siewert Equipment (NY Division) has represented the line since 1949—starting with Ingersoll-Rand, then Ingersoll Dresser Pump, and now Flowserve. These long-standing relationships demonstrate a shared commitment to serving the general process and industrial markets with technical expertise and exceptional local support.
Each Flowserve product is backed by:
- Cutting-edge hydraulic design and advanced materials
- Compliance with ANSI, API, and ISO standards
- Extensive global experience and local serviceability
- Access to OEM parts and upgrades for legacy systems
Industries Served by Flowserve Pumps
- Chemical Processing & Bulk Storage
- Municipal Water & Wastewater Treatment
- Power Generation & Cooling
- Pulp & Paper
- Pharmaceutical & Biotech Manufacturing
- Food & Beverage Processing
- General Industrial & OEM Applications
- Refining & Petrochemical Plants
- Mining, Slurry & Metals
- HVAC & Thermal Utility Systems
Why Choose Siewert Equipment or Cummins-Wagner for Flowserve Pumps?
- Authorized Flowserve Distributor for NY, MD & PA
- In-house pump sizing, system design, and application support
- Extensive inventory of Flowserve OEM parts and kits
- Field service, installation assistance, and startup services
- Emergency pump repair, maintenance contracts, and upgrades
- Trusted technical support from local Flowserve-certified experts
Flowserve Pumps, OEM Replacement Parts & Kits Offering
ANSI & End Suction Process Pumps
- Horizontal, back-pull-out design
- High efficiency and low NPSH
- Standard and specialty alloy materials
Split Case & Double Suction Pumps
- High-flow, low-maintenance designs
- Used in municipal water and power plants
- Horizontal or vertical mount options
Vertical Turbine Pumps
- Deep well, can-type, and wet pit configurations
- Designed for large-scale water intake and lift
- Rugged for municipal and industrial operations
Magnetically Driven Sealless Pumps
- Zero-leakage design for hazardous and toxic fluids
- Low maintenance, no mechanical seal required
- Ideal for chemical and pharmaceutical plants
Non-Metallic & Composite Pumps
- Corrosion-resistant polymers for harsh chemicals
- Lightweight and cost-effective for specialty uses
- Commonly used in chemical transfer or CIP systems
Gear Pumps & Specialty Rotary Pumps
- Compact positive displacement units
- High pressure and precise metering capabilities
- Durable for viscous or abrasive fluids
Mechanical Seals & Seal Repair Kits
- Single and dual seals for ANSI and API pumps
- OEM PAC-Seal, bellows assemblies, O-rings, and springs
- Custom-engineered sealing solutions available
Impellers, Bearings & Sleeves
- Original hydraulic design matched to specific pump model
- Proper fit and metallurgies ensure long-lasting performance
- In-stock options for fast turnaround on repairs
Gaskets, O-Rings & Lip/Oil Seals
- Full wet end kits available by model number
- Minimize downtime with quick part replacement
- Certified OEM quality for leak-free operation
Full System Support from Trusted Local Partners
Siewert Equipment and Cummins-Wagner offer full technical support and system optimization services for Flowserve pumps and parts, including:
✔ Pump performance evaluations & energy audits
✔ Application-specific pump selection & upgrades
✔ Field installation support & commissioning
✔ Emergency repairs, rebuilds & maintenance
✔ Inventory stocking & just-in-time parts supply
FAQ: Flowserve Pumps, Replacement Parts & Service
What Flowserve brands do you carry?
- We distribute Durco, Ingersoll Dresser, Byron Jackson, Innomag, Worthington, Limitorque and SIHI, serving a wide range of industrial and municipal pumping needs.
Can I buy Flowserve OEM pump parts for older or discontinued models?
- Yes. We supply genuine Flowserve OEM parts for both current and legacy pumps—including impellers, gaskets, sleeves, bearings, and mechanical seals—to support long-term performance and reliability.
Do you carry Flowserve sealless magnetic drive pumps?
- Absolutely. Flowserve’s Durco and SIHI product lines include magnetically driven sealless pumps, ideal for handling corrosive, hazardous, or leak-sensitive fluids in chemical and pharmaceutical applications.
Are Flowserve vertical turbine pumps available for deep well or intake use?
- Yes. Flowserve manufactures vertical turbine pumps engineered for deep well pumping, raw water intake, and high-capacity lift stations—commonly used in municipal water, power generation, and agriculture.
What Flowserve mechanical seals and seal kits are in stock?
- We stock Flowserve PAC-Seal kits, O-rings, bellows assemblies, springs, and complete mechanical seal repair kits, with fast availability to minimize downtime during pump maintenance or rebuilds.
Can Flowserve parts be used to repair or upgrade existing centrifugal pumps?
- Yes. Flowserve offers drop-in replacement components and upgrade kits for many centrifugal pump models. We can assist in retrofits, material upgrades, and performance optimizations.
Do you provide on-site service and installation for Flowserve pumps?
- Yes. Both Siewert Equipment and Cummins-Wagner provide on-site pump repair, installation support, troubleshooting, and startup services throughout Upstate NY, MD, and PA.
Are Flowserve pumps available in ANSI and API configurations?
- Yes. We offer Flowserve’s full range of ANSI-standard process pumps (e.g. Durco Mark III) and API-compliant pumps for oil & gas, refining, and chemical service.
What types of Flowserve pumps do you stock or supply?
- We provide a broad selection of end suction, split case, vertical turbine, sealless magnetic drive, gear, and non-metallic composite Flowserve pumps for industrial and municipal fluid handling systems.
Where can I buy Flowserve pumps and parts in Upstate NY, Maryland, or Pennsylvania?
- You can purchase Flowserve pumps and OEM replacement parts directly through Siewert Equipment (serving Rochester, Albany, Syracuse & Upstate NY) or Cummins-Wagner (serving Maryland and Pennsylvania), both authorized Flowserve distributors with local inventory and service teams.
Your Local Flowserve Pump Experts in the Northeast & Mid-Atlantic
Siewert Equipment is your authorized Flowserve representative across Upstate New York, including Buffalo, Rochester, Syracuse, Albany, and beyond. In the Mid-Atlantic, Cummins-Wagner serves Maryland, Pennsylvania, and the surrounding region with complete Flowserve pump systems and OEM parts.
Whether you’re working on a new fluid handling system or maintaining existing infrastructure, our teams offer the engineering expertise and parts availability to keep your operations running efficiently.
- Maryland (including Washington DC, DE, Northern VA, and Eastern Panhandle of WV), with offices in Baltimore and Salisbury MD.
- New York (serving all Upstate NY) through Siewert Equipment, with offices in Rochester, Albany, Buffalo, and Syracuse.
- Pennsylvania (serving Central and Eastern PA), with an office in Elizabethtown PA.
Ready to Upgrade Your Pump System or Order Flowserve OEM Parts?
Contact Siewert Equipment or Cummins-Wagner today to size, replace, or upgrade with Flowserve pumps and genuine components designed for demanding industrial and municipal service.
Trust Flowserve for Proven Pumping Power and OEM Performance
Partner with Siewert Equipment or Cummins-Wagner for expert guidance, reliable supply, and full-service support across Flowserve’s industry-leading product lines.
Request a Quote | Check Parts Availability | Get Help with Pump Sizing
Learn More About Flowserve
Watch these Flowserve Pump videos on our Cummins-Wagner YouTube playlist:
Contact us below with any questions.
