ABB SensyMaster FMT430 - Assembly of the Welding Adapter with Compression Ring Fitting

38 SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
… 6 Installation
Assembly of the welding adapter with compression ring fitting
All dimensions in mm (in)
1
Compression fitting
2
Welding tube for the compression fitting
Figure 23: Welding adapter with compression fitting
h – sensor length
h3 – installation length
L = h3 −(½ × ØD)
∅ D – outer pipe diameter*(min. / max.)
263 (10.35)
244 (9.61)
to be calculated
> 100 to 350 (> 3.94 to 13.78)
425 (16.73)
406 (15.98)
> 350 to 700 (> 13.78 to 27.56)
775 (30.51)
756 (29.76)
> 700 to 1400 (> 27.56 to 55.12)
Table 1: Dimensions of welding adapter with compression fitting
* The limitation of the maximum pipe diameter only applies for installations with the thermal sensor element in the middle of the pipe. In case of larger or non-
round cross-sections, a non-centered position of the thermal senor element in the piping is considered in the calibration.