LNN Between Bearing, Axially Split, Single Stage Pump
Pumps
Flowserve
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The Flowserve LNN is an axially split, double suction pump design featuring 145 impeller and volute combinations resulting in quiet operation, low NPSH requirements, and high efficiency operation in all water applications.
- Specifications
- Technical Data
- Advantages
- Industries
- Applications
- Documents
- Contact
Specifications
Choice of bearings:
- Antifriction ball bearings (standard)
- Double row, angular contact thrust bearings (option)
- Sleeve radial and hydrodynamic thrust bearings (option)
Choice of materials:
- Ductile and cast iron
- Ductile Ni-Resist D2
- Bronze
- Nickel aluminum bronze
- Carbon steel
- 316 and duplex stainless steel
Other configurations:
- LNNV (vertical mounting, in-line suction & discharge)
- LNNC (horizontal mounting, bottom suction & side discharge)
Technical Data
Operating parameters:
- Pressures to 30 bar (435 psi)
- Temperatures to 150°C (300°F)
Advantages
- Double Suction Impeller and Heavy-Duty Double Volute Casing: Inherently result in optimum axial and radial thrust balance over the full operating range.
- Hydraulically Balanced Double Suction Impeller: Reduces NPSH requirements and ensures smooth, efficient operation over a wide range of conditions.
- Dynamically Balanced Impellers: Balanced to ISO 1940 tolerances.
- Independent Cast Seal Chamber Housing: Designed for packing or mechanical seal.
- Shaft Design: Conservatively designed to minimize deflection and reduce maintenance costs caused by wear.
Industries
- Cooling Water – Metals
- Cooling Systems
- Utilities
- Pressurized Water Reactors – Safety
- Pressurized Water Reactors – Non-safety
- OEM
- Nuclear Power
- Miscellaneous Services
- Ground Water Development and Irrigation
- Fire Protection – General Industry
- Dewatering & Water Supply
- Desalination
- Water Treatment
- Boiler Feed
- Boiling Water Reactors Non-safety
- Boiling Water Reactors Safety
- Water Supply and Distribution
- Water Handling and Treatment
Applications
- Water Cooling
- Feedwater Booster
- Water Supply
- Irrigation
- Water Treatment
- Pipeline
- HVAC
- Pulp and Paper
- Sea Water
- Municipal
- Marine
- Cargo Loading and Unloading
- Circulating Water
- Coolant Injection
- Component Cooling
- Crude Oil Transfer
- Dry Dock
- Fire Protection
- Flood Protection
- Water
Documents
Contact our Pump Specialist Team
- Phil Soltan (External) – mob: 086 185 3782
- Adrian McSweeney – tel: 021 461 7212
- Paul-Fox Morris – tel: 021 461 7231
- Una Long (Pump & Service Support) – tel: 021 431 7200
- Tel: 021 461 7200
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