13
APPENDIX A. Mounting wafer type Flowmeters into the
pipeline
1
3
2
3
1
2
4
5
L *
2
L*
L *
1
L *
3
L *
4
Flow direction
D
N
1
D
N
2
D
N
1
– taper adaptor; 2 – adaptor pipe; 3 – mating flange; 4 – MFT (PFC
dimension simulator); 5
– wires (electrical jumpers) connecting the
flowm
eter’s case and pipeline
Fig.A.1. Assembly-welded structure for mounting the wafer type flowmeters
DN10, DN15 into the pipeline
Table A.1. Dimensions of the assembly-welded structure for mounting the
wafer type flowmeters (mm)
DN
DN
1
/ DN
2
L*
L
1
*
L
2
*
L
3
*
L
4
*
Notes
10
20
83
78
78
239
299
25
359
**
32
329
40
359
**
50
389
**
65
439
**
15
20
83
103
78
264
324
25
384
**
32
354
40
384
**
50
414
**
65
464
**
* - reference dimensions without processing tolerances
** - adaptor is made from two concentric adaptors
