1
Specifications
General
Silvan Linkage Oktopus Air Assist sprayers are
for use in the application of agricultural
chemicals in vineyards, berries and trellis
crops. The sprayers use a high pressure pump
and nozzles to atomise the chemical solution,
together with a turbine fan and multiple air
outlets to distribute the spray.
Tank
Polytuff impact resistant polyethylene.
Capacity 500 litres with calibrated level
indicator.
Offset, non spill screw down lid of 255 mm
diameter with basket strainer.
Continuous by-pass agitation in bottom of
tank.
Pump
Constant displacement oil backed diaphragm
pump with Nitrile diaphragms and corrosion
resistant, anodised aluminium body.
Pump Model
500 litre
APS-96
Pump
output
and
maximum
operating
pressure at 540 PTO rpm as shown below.
Pump No. Output
Max. Pressure
l/min gpm
Bar psi
APS-96
94
20.6
40 580
Fan
The Silvan Oktopus sprayer uses a turbine fan
(or centrifugal wheel) 450mm diameter with
multiple (5+5) adjustable air ducts with
diffusers. The fan unit has a polyethylene cowl
with expansion chamber and protective mesh
screen.
Two speed oil bath gearbox with neutral
position
Max.Speed 540 PTO rpm 2,700 rpm
Air speed
– 450 dia fan 80 m/sec
Capacity - 450 dia fan 14,000 m
3
/hr
PTO Drive
Quality 540 rpm telescopic drive PTO shaft
with safety shields.
Controls
12 volt electric valve set with manual pressure
regulator, master valve, section valves for
left/right
sides
and
electric
pressure
adjustment. In cab switch box control.
Nozzles
10 twin non-drip nozzles for easy changing of
application rate. Flip over action to turn on or
off.
Brass body with removable hollow cone
ceramic
jets.
Filtration
Three stage filtration with removable elements.
Tank lid strainer
18 mesh.
Suction line filter
50 mesh (blue).
Pressure line filter
80 mesh (yellow)
Frame
Heavy duty galvanised steel construction.
Reversible Category I and II linkage pins on
500 litre sprayers.
Optional Equipment
Automatic rate controller
Dimensions and Weights
With PTO drive and standard equipment fitted.
Length
L
, width
W,
height
H
, all in (mm).
Mass
M
(kg) with tank empty.
To calculate gross mass with tank filled add 1
kg per litre of tank capacity.
.
500 litre
L
1400
W
1190
H
2500
M
140
Power Requirement
Minimum tractor PTO horsepower at 540 rpm.
500 litre
50 HP