1985 Nelson big gun sprinklers brochure spec sheet Agricultural 

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1985 Nelson big gun sprinklers brochure spec sheet.
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arm drive does away with the rapid “flash back" reverse
Minimum vibration and stress. Nelson's unique dual
action. This minimizes wear on the gun itself and
practically eliminates vibration and stress on the riser or
pivot end boom. It can also reduce cart turnovers on
high riser travelers.
Throws farther. With nozzle sizes from .5" (12.7mm)
through 1.0" (25.4mm), the SR100 has the widest
gallonage range of any gun in its class. It can out throw
and cover more area than any other gun its size. It also
performs better and more reliably at low pressure and is
available with the optional 100DN Diffuser Nozzle to
break
dn
the low pressure stream into smaller droplets.
The arc you set is the arc you get. Pretty close is not
close enough. With the Nelson SR100, you get precise
arc control with no overriding of the stops. Quick and
easy arc setting from 30° to 330°.
DUAL ARM DRIVE
Reverses the gun at a
smooth, steady speed.
PATENTED DUAL DRIVE
No adjustments needed for
consistent forward and
reverse drive.
STANDARD HIGH
PRESSURE OR
OPTIONAL LOW
PRESSURE NOZZLES
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NELSON 100 SERIES BIG GUN®
The 100 Series operates in the 50 to 250 gpm (10 to 70
M3/H) range. A wide variety of applications include
travelers, pivot end guns, portable move, solid set and
waste disposal systems. From the top of the line SR100
to the basic F100 or P100 model, every Nelson BIG
GUN® shares a well-earned reputation for reliability,
performance and longer life with low maintenance.
VELSO
SR-NV100 NOZZLE VALVETM
Successfully combining a pivot end gun and control
valve into one operating unit, the Nozzle Valve
improves gun performance by eliminating friction
loss, turbulence and debris hangup. Reduces
horsepower to save energy. Automatic draining to
prevent winter freeze-up.
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More Gun FOr
Adjustment-free operation. You can forget about
adjustments in the field with the Nelson SR100. A
patented dual drive spoon provides consistent forward
and reverse drive through the full range of nozzle sizes
and pressures. No adjustments needed on the braking
system, either. Or on any other part of the gun. It's
designed with a minimum of moving parts to simplify
operation and minimize maintenance.
Longer Life. The reasons for the SR100's longevity are
smooth forward and reverse action, less vibration, twin
ball bearings instead of just one in the lower housing
unit, plus a special, water-tight seal to protect the
bearings from damaging moisture and dirt.
No preventive maintenance. All bearings are sealed and
lubricated for life,so there's no need for grease fittings or
periodic preventive maintenance.
VANED RANGE TUBE
Reduces turbulence and
maximizes hydraulic
performance. Outthrows
competitive guns.
PROVEN BRAKING
SYSTEM
Needs no adjustment.
Longer wear life.
PART CIRCLE/FUL
CIRCLE
Precise part circle
control from 30° to 3
Quick, easy arc sett
Cannot override stc
TWIN BALL BEARIN
Two ball bearings inste
one for longer wear. S
protective seal keeps
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SR150 A step up in size, the 150 is ideally suited for all
mid-capacity applications including traveler, pivot end
gun, solid set, waste disposal and dust control.
THE SR150 BIG GUN® has the same proven dual arm
drive system and advanced design features as the SR100,
but has a higher gallonage capacity and greater distance
of throw.
Superior quality manufacturing, materials and
workmanship are evident in every detail of these
precision-made guns.
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Introduced in 1969, the 200 is the original
BIG GUN® and the real workhorse of the line.
It's well known the world over for handling the
most demanding big-acreage, large-gallonage irrigation
jobs.
Most frequently used on travelers, the 200 also has many
other irrigation and waste disposal system applications.