- Tailor-made for your process needs
- High reliability
- Maximum efficiency
NRN high-pressure process pump
Versatile high-pressure process pumps for your demanding applications
The NRN is a horizontal, single-stage end-suction process pump, designed for heavy-duty applications in various industries. It exceeds the requirements of ISO 5199 and ISO 13709 (API 610) 11th edition, type OH1.
The NRN high-pressure process pump range has been designed to meet the process requirements in versatile general and industrial applications such as:
- clean and slightly-contaminated liquids
- corrosive and abrasive liquids
- slurry applications
Main design features
- Foot-mounted casing
- 150#, or 300# flange rating standard (600# optional)
- Wear rings and balance holes optimized to maximize seal and bearing life
- Extra heavy-duty shaft for low shaft deflection and long life of seal and bearings
- Closed impeller or open/semi open designs for slurry applications
- Inducer option to meet customer NPSH restrictions
- Heated/cooled stuffing box option
- Maximum interchangeability of parts throughout the range
|Capacities||up to 4’500 m3/h||up to 19’800 USgpm|
|Heads||up to 320 m||up to 1’050 ft.|
|Pressures||up to 60 bar||up to 1’100 psi|
|Temperatures||from -90 to 180°C||from -130 to 356°F|
MiningWhether on the surface or underground, the conditions in mines are harsh. Besides the mud, slurry, stones, and rocks, there are large volumes of water to remove in order to keep production moving. Our dewatering pumps are rugged and ready, taking on the toughest drainage and sludge removal.
MetalsSulzer’s pumping and mixing solutions for the base and precious metal industry are designed for corrosive and abrasive liquids. We offer expertise e.g. for the production of aluminum, copper, nickel, zinc, and precious metals.
Gas-fired power generationWe offer efficient repair and maintenance services for rotating equipment like gas turbines, compressors, pumps, and generators. Our pumps cover applications from boiler feed to condensate extraction. We produce critical turbine components.
Coal-fired power generationWe offer efficient pumps and related services for boiler feed, condensate extraction, and cooling water applications. We also service the blowers that move pulverized coal into the boiler.
Industrial power generationOur solutions for industrial power generation cover various pump applications from boiler feed to cooling water, as well as the fast, efficient maintenance and repair of rotating equipment.
RenewablesSulzer is your partner with a longstanding experience in renewable power generation. We continuously improve our products in your favor and care for best efficiency.
FertilizersOur pumps, mixers and agitators provide durability and reliability for fertilizers production as well as for corrosive and abrasive liquids and high gas content. Our specific industry experience also includes separation processes and servicing of pumps, compressors, turbines, and motors.
ChemicalsSulzer improves quality, capacity, and energy efficiency with its advanced technologies and services for separation processes; including distillation, absorption, evaporation, extraction and crystallization. Our pumps, mixers, and agitators cover the specific requirements in chemical processes.
DesalinationAs a global leader in pump design and manufacture, Sulzer is recognized for delivering the excellent product quality and performance reliability for the most critical applications in desalination.
Case studies and articles
Pumps keep mines dryPumps play a critical role in all mining operations and they are, therefore, among the most important equipment in a mine. In this article, Mikael Hjelm, globally responsible for business development in mine water management at Sulzer, explains why. Read the article.
Case studiesWherever fluids are pumped, mixed, controlled or applied, we are there. See how our solutions create value for customers and learn how we can make your pumping and mixing processes more efficient and profitable, safeguarding your production and ensuring lasting reliability.