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N
Series
Irrigation Pumps
CASING - The Monarch NE series end
suction centrifugal pumps are constructed using a thick
walled cast iron casing, for maximum durability in high-pressure
application. The back pull-out design allows for easy
access to the impeller without disturbing the suction
and discharge piping.
IMPELLER - Cast iron, enclosed type
for maximum efficiency, all are dynamically balanced.
Largest units are hydraulically balanced to ensure smooth
vibration free performance and to prevent excessive
thrust loads on the electric motor bearings. Impeller
diameters can be trimmed to suit various applications.
SEAL - All pumps are available with
a mechanical seal or gland packing. Mechanical seals
are self lubricating and have Buna-N bellows with brass
and stainless steel hardware. Gland packing is graphite
impregnated and requires grease. Some larger models
are available with double mechanical seals.
BRONZE WEAR RINGS - Easily replaceable,
they insure close tolerances for maximum efficiency.
Included in all pumps.
FRAME - NT Rugged cast iron construction
provides stability with either belt or coupling drives,
while heavy duty single and double row ball bearings
allow a minimum of shaft deflection. Shaft is made from
one piece, high strength stress proof steel.
HOUSING - NH Made of rugged cast iron,
designed to bolt directly onto the engine, with flywheel
housings ranging from SAE4 to SAE2, depending upon model
or pump.
NT & NH - The Monarch NT &
NH series of frame mounted end suction centrifugal pumps
are ideal for booster, circulator, and agricultural
irrigation systems where either belt & pulley drive,
or direct drive through a flex coupling is required.
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