6
NETAFLEX™ 3G USER MANUAL
Safety instructions when using acid/chemicals
SAFETY
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 table 1 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
Diaphragm
and O-rings
Nitric acid
(HNO
3)
Phosphoric
acid
(H
3PO4)
Sulfuric acid
(H
2SO4)
Potassium
hydroxide
(KOH)
Acetic acid
(CH
3COOH)
Hydrochloric
(HCl)
Hydrogen
peroxide
(H2O2)
Chlorine (as
(hypochloride
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.
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