16
NETAJET
™
4G USER MANUAL
DESCRIPTION
Octa - 8-channel mode
Bypass system for pressurized-line water source, with 8 dosing channels.
Operating principle:
The pressure differential required to generate fertilizer suction via the Venturis is
produced by a booster pump integrated in the NetaJet™ 4G. This mode of operation,
where the lower manifold is under low pressure (around 0 bar/PSI), permits the use
of high-efficiency Venturis with high suction capacity and low motive flow consumption.
Suitable for main line flow rate:
20-120 m³/h (90-500 GPM). Flow limitation depends on the fertilizer injection rate and the size of the Venturis.
Suitable for main line pressure:
• Standard: 2.5-5.8 bar (36.5-84.0 PSI)
• High pressure: 5.8-7.5 bar (84.0-108.5 PSI)
Dosing channels:
Accommodates a wide variety of highly accurate dosing channels for fertilizer and concentrated/diluted acid:
• Up to 8 x 50-600 l/h (13-158 GPH)
• Optional - Concentrated acid channel, 50 l/h (13 GPH)
Total fertilizer/acid suction capacity - up to 4800 l/h (1268 GPH).
CAUTION
The Octa mode (8 dosing channels) includes 3 dual dosing channels. There are fertilizer combinations
that should never be used in any concentration in the dual dosing channel! (see CAUTION, page 5)
Controller:
NMC-Pro (Operation with third-party controllers is optional. Consult Netafim™.)
EC/pH:
Precise single or dual monitoring and control - selectable by customer.
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