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Demco
®
Ground Drive Piston Pumps
DESCRIPTION:
Piston pumps for agricultural and turf sprayers as well as liquid fertilizer application.
FEATURES:
Pumps agricultural chemicals, fertilizers and fertilizer solutions
Dupont Rynite plastic housing and stainless steel components are resistant to corrosion, unlike cast iron
Can be mounted on most trailer sprayers and will adapt to most other application equipment
Grade 304B stainless steel, cage type valves virtually eliminate sticking and leaking and are easily serviced
Available with manually operated throw-out clutch, hydraulic clutch, or 12 volt electric clutch
Intake and exhaust manifolds can be rotated to accommodate special plumbing situations
Eccentric drive system permits a variable application rate
Ground drive provides very accurate rates of application at usual tractor speeds
Models
PP1 & PP2
SINGLE AND DOUBLE PISTON PUMPS
Crankshaft Diameter
3 cm
Liquid output
Single: 27.8 lpm at 100 RPM
Double: 55.6 lpm at 100 RPM
RPM range
up to 275
Options
Hydraulic, Electric, or Manual Shut-off
MAXIMUM RANGE OF CAPACITIES LITRES PER HECTARE
Assumes drive tire size 13.6L x 38 tire with 74.9 cm loaded radius; sprocket 50-18, 36-18 (5.5:1 ratio)
Swath
PP1
PP2
4.6 m
729
1,459
6.1 m
542
1,085
7.6 m
439
879
9.1 m
365
729
10.7 m
313
626
12.2 m
271
542
13.7 m
246
486
15.2 m
220
439
18.3 m
173
346
24.4 m
136
271
27.4 m
122
243
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