Watson-Marlow NBR - Manual (Page 10)

9
2 INSTALLATION AND OPERATION
2.1 Hose cleaning before first use
During production and transportation the hose has been
handled with great care to prevent contamination of the
inside of the hose. Nevertheless the inside of the hose
should be cleaned prior to installation.
In order to avoid any impairment of the product to be
conveyed concerning taste or odor we recommend one
of the following cleaning procedures:
•
Steamed 3 times at +120°C (+248°F) (each
time max. 30 minutes) followed by cooling down
to room temperature.
•
Treatment for at least 24 hours with a hydrous
cleaning solution +40°C (+104°F) consisting of
4g sodium hydroxide and 5.8g sodium chloride
per 1 liter of water.
Both cleaning procedures must be followed by rinsing
with drinking water.
2.2 Hose installation and connection (EHEDG)
In addition to the hose installation procedure as
described in the product manual, you must create a
smooth connection (EHEDG) between the hose and the
stainless steel insert. The hose clamp position is very
WARNING
When using the recommended products
for cleaning or disinfection, please make
sure that all necessary directions for use
and warning directions of the safety data
sheets have been carefully observed.
To install a hose refer to the procedure in
the product manual. In case of doubt
contact your Bredel representative.