KROHNE BM 26 A EN User Manual
Page 3
Installation and Operating Instructions BM 26 A
3
4
Special versions.............................................................................................................. 35
4.1
Low-temperature versions AG-TR-IC/TR............................................................................ 35
4.2
High-temperature versions HR-IC/HR................................................................................. 35
4.3
Heating system for measuring tube BM 26 A/B .................................................................. 36
4.4
Liquid/liquid interface measurement BM 26 A/TS ............................................................... 36
5
Maintenance .................................................................................................................... 37
6
Ordering spare parts ...................................................................................................... 37
7
Technical data................................................................................................................. 38
7.1
Technical data: BM 26 A..................................................................................................... 38
7.2
Technical data: level transmitter modules........................................................................... 40
7.3
Technical data: limit switches.............................................................................................. 41
7.4
Guide tube assembly materials........................................................................................... 42
7.4.1
Maximum operating conditions for BM 26 A with 316 Ti steel measuring tube ............... 42
7.4.2
Flange categories for operating conditions in a 316Ti steel measuring tube .................. 42
7.4.3
Maximum operating conditions for BM 26 A with 316 L steel measuring tube ................ 43
7.4.4
Flange categories for operating conditions in a 316L steel measuring tube ................... 43
7.5
BM 26 A weights and dimensions ....................................................................................... 44
7.5.1
Weights ..................................................................................................................... 44
7.5.2
Indicator dimensions ....................................................................................................... 44
7.5.3
Overall dimensions of measuring tube classes (with loose or welding neck flanges) ..... 44
7.5.4
Distance of welding neck flange raised facing from measuring tube axis ....................... 47
8
Measuring principle ........................................................................................................ 48
Appendices ................................................................................................................................ 49
Appendix A: Declaration of conformity: CE ............................................................................ 49
Appendix B: Declaration of conformity: Pressure Equipment Directive 97/23/EC .............. 50
Appendix C: EC-Type Examination Certificate INERIS 02ATEX0088X ................................. 51
If you need to return level gauges for testing or repair to KROHNE..................................... 71