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LNPS/LNPF(Horizontal Low NPSH Volute Pump)
Design Concept
Performance Charts 50Hz
Performance Charts 60Hz
Dimensional Drawing
Inquiry
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LNPS/LNPF
(Horizontal Low NPSH Volute Pump)

LNPS/LNPF(Horizontal Low NPSH Volute Pump)
Features
Ensures the lowest NPSH = Tough to cavitation.
Well handling of 5∼10% AlR or GAS content liquids.
Extremely low NPSH applications. Lower a suction tank close to the pump, thus saving plant constructing cost.
LNPS/LNPF has excellent reliability and durability under severe condition.
Horizontal Vertical Wetted parts material Shaft Seal Impeller
FC S13 S14 Special GP Me Closed Open
- -
Multi-Stage High-Head High-Temperature Slurry Support
- - Bracket
Applications
Vacuum Evaporator.
Crystallizer.
Liquified Gas Transfer.
Dyeing Machine.
Boiler Feeding.
Condenser Drainage.
Chemical Reactor.
Desalination Plant.
Foodstuffs Engineering.
Design data
Materials
1. Stainless Steel SCS13/SCS14/SCS16
2. Cast Iron FC200
Ductile Iron FCD450 (For HC Series Pumps)
For cast-iron material the pump model is LNPF.
(However, the impeller is SCS13)
3. Other specific materials:
SCS23, Nickel Alloy, Hastelloy, Duplex Stainless Steel, Titanium
Temperature
-20ºC∼170ºC
-5ºC∼120ºC in case of Cast & Ductile Iron.
Shaft Seal
1. Gland packing.
Self and external flushing type.
2. Mechanical seal.
a. Single mechanical seal.
Include balanced and unbalanced types.
Inside and outside types.
b. Double Mechanical Seal.
c. Additional Special Mechanical Seal may be installed on request.
When pumping temperature exceeds 80ºC, cooler shall be provided.
Quenching is adopted for pumping liquid of temperature less than 0ºC.
3. The shaft seal dimensions are structured to serve as gland packing and mechanical seal.
Bearing
Ball bearing (Oil bath system).
Water jacketed bearing housing is available when temperature exceeds 120ºC.
Accessories
Base···1 , Coupling···1 , Guard···1 , Anchor bolts/nuts···1
LNPS/LNPF
Design Concept
Performance Charts 50H
Performance Charts 60Hz
Dimensional Drawing
Inquiry
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