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Equipos De Bombeo > Between Bearings Pumps > Single Case - Axially Split
LNN Axially Split,
Single Stage





LR Axially Split,
Single Stage





LRV Vertical, Axially Split,
Single Stage





Standards
• Flowserve
Operating Parameters
• Flows to 51 000 m3/h (225 000 gpm)
• Heads to 300 m (980 ft)
• Pressures to 30 bar (435 psi)
• Temperatures to 150°C (300°F)
Features
• Hydraulically balanced, double
suction impeller
• Dynamically balanced to ISO 1940
tolerances
• Heavy-duty double volute casing with
suction and discharge flanges to
ANSI, DIN and ISO standards
• Optimum axial and radial thrust
balance
• Seal chamber accommodates
packing and mechanical seals
• Choice of bearings
– Antifriction ball bearings standard
– Double row, angular contact thrust
bearings option
– Sleeve radial and hydrodynamic
thrust bearings option
• Choice of lubrication options
Other Configurations
• LNNV axially split, vertical in-line
• LNNC axially split, bottom suction,
side discharge
See Bulletin PS-20-1
Standards
• Flowserve
Operating Parameters
• Flows to 2000 m3/h (8800 gpm)
• Heads to 170 m (560 ft)
• Pressures to 21 bar (300 psi)
• Temperatures from -30°C (-20°F)
to 150°C (300°F)
Features
• Split case design with lifting lugs
• Low NPSH enclosed double
suction impeller
• Flat or raised face suction and
discharge flanges to ANSI, DIN and
ISO standards
• Oil or grease lubricated radial and
thrust bearings
– Single row, deep groove ball bearings
or duplex thrust ball bearings
– 100 000 hours typical L10
bearing life
• Seal chamber accommodates
multiple seal types
• Standard case wear rings
– Optional serrated groove designs
• Optional impeller wear rings
• Available high performance coatings
Other Configurations
• LRV vertical, axially split,
single stage
• LLR axially split, two stage
See Bulletin PS-20-3
Standards
• Flowserve
Operating Parameters
• Flows to 2000 m3/h (8800 gpm)
• Heads to 137 m (450 ft)
• Pressures to 21 bar (300 psi)
• Temperatures from -30°C (-20°F)
to 150°C (300°F)
Features
• Split case design with lifting lugs
• Low NPSH enclosed double
suction impeller
• Small footprint reduces floor
space requirement
• Flat or raised face suction and
discharge flanges to ANSI, DIN and
ISO standards
• Product-lubricated bottom bearing
• Seal chamber accommodates
multiple seal types
• Standard case wear rings
• Optional impeller wear rings
• Available high performance coatings
Other Configurations
• LR axially split, single stage
• LLR axially split, two stage
See Bulletin PS-20-3