Netafim NETAFLEX 3G, Installation Manual

Page: 17 / 32

NETAFLEX™ 3G INSTALLATION MANUAL 17
INSTALLATION
Stock tank connection
Connect the fertilizer lines to the NetaFlex™ 3G
(see
Location of inlet, outlet and fertilizer/acid line connectors , page 13).
Three types of connection are available
Fittings (interchangeable)
Diameter
PVC, hose nozzle insert connector (installed) 16 mm
PVC, nipple - male thread connector (supplied) 1/2"
PVC, half union - female thread connector (supplied) 3/4"
Prior to flexi-tube connection, thread a stainless steel
band clamp
A
on each flexi-tube hose.
Heat the tip of each Flexi tube hose in boiling water
to make it flexible for insertion.
Connect flexi-tube hose from fertilizer lines to the hose-
nozzle-insert connectors of dosing channels
B
,
ensuring 1⁄2 meter (1.7 feet) of transparent, chemical-
resistant, reinforced PVC water hose with an internal
diameter of 16 mm that will not contract when there is
a vacuum in the system.
Attach the stainless steel band clamp on each flexi-tube
connection
C
and secure tightly.
Flexi-tube specification:
• 16 mm (½") reinforced EVA tubing.
• Material: EVA (ethylene vinyl acetate) tube compound
specially formulated to meet USDA requirements.
• Polyester cord reinforcement with color tracer.
• Pressure: 18 to 20 Bar (250 to 300 PSI).
• Recommended temperature range:
-23
o
C to +65
o
C (-10
o
F to +150
o
F).
TIP
You can rotate the hose connectors of the dosing
channels to face the desired direction according to
the location of the stock tanks.
Loosen the Rotameter's lower connector
A
, rotate
the hose connector to the desired direction
B
and
fasten the Rotameter's lower connector
A
.
B
C
A
A
B