Flowserve NRS 1-51 User Manual
Page 2
Contents
Usage for the intended purpose ..............................................................................................................4
Function .................................................................................................................................................4
Application
Page
Directives and Standards
Pressure Equipment Directive (PED) 97/3/EC ........................................................................................5
Functional Safety acc. to IEC 6508 ........................................................................................................5
VdTÜV Bulletin “Wasserstand 00” (= Water Level 00) ..........................................................................5
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility) .......................................................5
ATEX (Atmosphère Explosible) .................................................................................................................5
Safety characteristics of the subsystem NRG ...-5 / NRS -5 .............................................................6
Terms and abbreviations .........................................................................................................................6
Determination of the Safety Integrity Level (SIL) for safety-related systems .............................................7
Functional Safety acc. to IEC 61508
NRS -5..............................................................................................................................................
Dimensions and Functional Elements
Safety note ...........................................................................................................................................
Scope of supply ....................................................................................................................................
Important Notes
NRS -5............................................................................................................................................ 8, 9
Name plate / marking ...........................................................................................................................0
Technical Data
Mounting level switch NRS -5 ...........................................................................................................3
Installation