4 | Transport and installation
OPM BWT PERMAQ® Pico Rev. 2.0 EN
EN
16
4) At minimum, the design of the customer’s installation should be DN
25 (Pico models 10–60)
or DN
32 (Pico models 70–90). An undersized feed pipe results in a risk of an interruption to
operation due to insufficient water pressure or insufficient flow.
NOTICE! Insufficient water
pressure may lead to pump cavitation
.
4.4 Sample installations
BWT PERMAQ
®
Pico Offline
During offline operation, the produced permeate is stored in an atmospheric purified water
tank and pumped to the consumer using a booster pump. The sample installation below
shows a possible process chain consisting of a softener, RO device, permeate tank and pres-
sure booster with a softened water bypass environment.
Protection-
equipment
according to
EN 1717
BWT
filter
BWT Duplex
softener
BWT PERMAQ Pico off
reverse osmosis
Pure water
tank
AQUA Jet
pressure amplifier
Fig.
11: Sample installation of the BWT PERMAQ
®
Pico Offline
There is no back pressure on the permeate side in the offline method, which generally results
in a higher permeate outflow compared to the online method.
BWT PERMAQ
®
Pico Offline with BWT AQUA Flex
Space-saving combination of a hygienic purified water tank with an integrated frequency-con-
trolled booster pump. This enables a modulating water output to the consumer at a constant
pressure. Additional tanks can be added to the BWT AQUA Flex system to increase the stor-
age volume.