Materials Used; Coolant Inlet Temperature - Bosch Rexroth IndraDyn T Project Planning Manual

204/261 Bosch Rexroth AG | Electric Drives
Application Notes
Coolant Additive NALCO TRAC100
Coolant additive NALCO 7330
Coolant additive NALCO 73199
9.5.4

Materials Used

9.5.5

Coolant Inlet Temperature

Setting the Inlet Temperature
and Controls
Nalco TRAC100 is a liquid corrosion and film inhibitor for the use in closed
cooling systems. Optionally with TRASAR technology: it monitors, shows and
dosages the product automatically to its target concentration and continuously
protects the system. NALCO TRAC100 is a complete inhibitor protection iron
metal, copper alloys and alumnum against corrosion. NALCO TRAC100 is free
of nitrite and minimizes the requirements for micro-biological control.
Nalco 7330 is a non-oxidizing broad band biocide and suiteable for application
in closed cooling circuit systems.
Nalco 73199 is an organic corrosion inhibitor supporting a fast own protection
layer and covering protection layer for non-ferrous metals.
The above additives are part of the preventive water treatment program by
Nalco. It comprises not only the chemicals but also test methods, service and
equipment. All these are made available to the user of the products.
The water treatment program is a specification for the user and describes the
minimum requirements. Consult Nalco on any additional equipment, tests and
services to ensure optimum performance and system protection of the cooling
systems.
For additional information and order placement, please contact:
NALCO Deutschland GmbH
Plankstr. 26
71691 Freiberg/Neckar, Germany
Fax +49(0)7141-703-239
slund@nalco.com
www.nalco.com
Bosch Rexroth is not in a position to give general statements or
carry out investigations regarding applicability of process-related
coolants, additives, or operating conditions.
The performance test for the used coolants and the design of the
liquid coolant system are generally the responsibility of the machine
manufacturer.
At IndraDyn T-motors the coolant comes into contact with these materials:
● AlSi5Mg (cooling jacket)
● Fluororubber FPM (o-ring)
IndraDyn T motors are designed according to DIN EN 60034-1 for operating
with +10...+40°C coolant temperature. This temperature range must be strictly
observed. At higher coolant temperatures, the reduction of the available torque
is increased. Because of high coolant temperature gradients, lower tempera‐
tures may lead to destruction of the motor.
Install systems in the cooling circuit for monitoring flow, pressure
and temperature.
Observe the temperature range permitted and consider the existing ambient
temperature when setting the coolant inlet temperature. The lower limit of the
recommended coolant inlet temperature can be limited in dependence on the
Rexroth IndraDyn T | Project Planning Manual