The Flowserve HWX API 610 OH3 Vertical Overhung Pump is a high-performance process pump designed for critical applications in power generation, oil and gas, chemical, and water treatment industries. Engineered with a proven OH3 bearing housing design, patented oil circulation system, and robust shaft stiffness, it ensures smooth, efficient, and API 610-compliant operation under extreme conditions.
This vertical inline pump is built for high-pressure, high-temperature, and cryogenic applications, offering reliability and ease of maintenance while meeting the rigorous demands of industrial environments.
HWX API 610 OH3 Vertical Overhung Pumps Application
Advanced Pump Design
Proven OH3 Bearing Housing – Engineered for durability and optimal shaft stiffness, meeting API 610 compliance.
Patented Oil Circulation System – Uses a pump ring and flinger for superior lubrication and extended bearing life.
Radial Flow Impeller – Fully shrouded, single-entry impeller, precision-cast for maximum efficiency.
Renewable Wear Rings – Front and back wear rings enhance longevity and reduce maintenance costs.
Superior Material Selection
Available in various materials including S5, S6, C6, A8, D1, D2, and LTS, as well as special alloys.
NACE MR0175 and MR0103 compliance ensures suitability for corrosive environments in oil and gas applications.
High Performance & Versatility
API 682 Seal Chamber & Seal Flush Plans – Supports a wide variety of sealing configurations for demanding applications.
Compact Vertical Inline Design – Space-saving installation with high operational efficiency.
Broad Industry Applications – Suitable for power, chemical, petrochemical, oil & gas, mining, and water industries.
Technical Specifications
| Specification | Details |
|---|
| Standard Compliance | API 610 OH3 (Latest Edition), ISO 13709 |
| Pump Type | Vertical Inline Overhung (OH3) |
| Flow Rate | Up to 1300 m³/h (5720 gpm) |
| Head Range | Up to 370 m (1210 ft) |
| Max Operating Pressure | Up to 42 bar (610 psi) |
| Temperature Range | -50°C (-58°F) to +400°C (+750°F) |
| Shaft Stiffness | Designed per API 610 for minimal deflection |
| Impeller Type | Single-entry, fully shrouded radial flow |
| Bearing Frame Sizes | 2 bearing frame sizes, 48 available sizes |
| Discharge Diameter | 1.5” to 10” |
| Material Options | S5, S6, C6, A8, D1, D2, LTS, special alloys |
Configurations
Multiple hydraulic options tailored to process requirements
Wide range of metallurgy including carbon steel, stainless steel, duplex, and exotic alloys
Flexible baseplate and motor combinations
Seal plans, bearing housings, and instrumentation customizable to site standards
Related Industries
The Flowserve HWX API 610 OH3 pump is engineered for demanding process conditions across multiple industries:
Power Generation
Conventional Steam & Combined Cycle Plants
High-Temperature Boiler Circulation
Turbine Cooling & Feedwater Systems
Oil & Gas
Upstream Exploration & Production
Downstream Refining & Processing
Hydrocarbon Booster & Transfer
Chemical & Petrochemical
Organic & Inorganic Chemical Processing
Specialty & Fine Chemical Applications
Biofuels & Synthetic Fuel Production
Water & Wastewater Treatment
General Industrial Applications
Pulp & Paper – Chemical pulping, bleaching, and recovery systems
Steel & Primary Metals – Cooling and process water circulation
Mining – High-pressure slurry transport and dewatering
HWX API 610 oh3 Process Pumps Bulletin
Optimize your high-pressure pumping operations with Flowserve HWX API 610 OH3 Vertical Overhung Pumps. Contact our experts today for customized solutions tailored to your industrial needs.
