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LNN Between Bearing, Axially Split, Single Stage Pump

Pumps Flowserve

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

LNN Pump Brochure

Contact Us

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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