Safety
Usage for the intended purpose
RK and RKE non-return valves are used to prevent the return flow of fluid in pipes.
Only RKE non-return valves may be used as end valves (e.g. vacuum breakers). This equipment
has passed the appropriate tests and bears the relevant markings, and must not be used with
safety-relevant functions (e.g. safety valves).
The equipment may only be used within the admissible pressure and temperature limits, with
due consideration of chemical and corrosive influences.
Usage for the intended purpose also includes reading and adhering to all instructions in this
manual, particularly the safety notes.
Any other use of the equipment shall be considered as improper use.
Improper use also includes using equipment made of materials that are unsuitable for the
fluid used.
EN