Netafim NETAFLEX 3G, Installation Manual

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6 NETAFLEX™ 3G INSTALLATION MANUAL
INTRODUCTION
Safety instructions when using acid/chemicals
ACID HAZARD
When using acid - always observe the acid manufacturer's safety instructions.
WARNING
Always use protective equipment, gloves and goggles when handling fertilizers, acid and
other chemicals!
WARNING
Exceeding the recommended acid concentrations will damage the dosing channels.
WARNING
Substances such as chemicals for pest/disease control might be corrosive and damage the
NetaFlex™ 3G. When using any substance other than fertilizers or acids not exceeding the
concentrations in the table above, always observe the manufacturer's instructions for corrosivity.
In case of any doubt, consult your local Netafim™ representative.
ATTENTION
When dosing acid, use a dosing channel fitted with the appropriate components according to the type
and concentration of acid used*:
For pH correction For maintenance of drippers
Type of dosing channel
Di
ap
hr
ag
m
and
O
-r
ing
s
N
itr
ic a
ci
d
(H
N
O
3
)
P
ho
sp
ho
ric
ac
id
(H
3
PO
4
)
S
ul
fu
ric a
ci
d
(H
2
SO
4
)
P
ot
as
si
um
hy
dr
ox
id
e
(KO
H
)
A
ce
tic a
ci
d
(C
H
3
CO
O
H
)
H
yd
ro
ch
lor
ic
(H
C
l)
H
yd
ro
ge
n
pe
rox
id
e
(H
2
O
2
)
Ch
lor
in
e (
as
(h
yp
oc
hlor
id
e
For diluted acid EPDM
<3% <85% <30% <35% <30% <10% <30% <1%
For concentrated acid Viton
<40% <85% <90% <10% <5% <33% <50% <10%
% is by weight at 21
o
C (70
o
F)
*The table indicates the resistance of the dosing channel components to acid,
and is not a recommendation to use the acids mentioned.