ITRON Delta Rotary-Meters Manual De Instrucciones página 61

ISO PN Nb of
DN
holes
25 10-16 4
40 10-16 4
50 10-16 4
50 20 4
50 25 4
50 40 4
50 50 8
50 110 8
80 10-16 8
80 20 4
100 10-16 8
Nb of
DN ANSI
holes
25 125/150 4 1/2" UNC-2B
40 125/150 4 1/2" UNC-2B
50 125 4 5/8" UNC-2B
50 150 4 5/8" UNC-2B
50 300 8 5/8" UNC-2B
50 600 8 5/8" UNC-2B
80 125 4 5/8" UNC-2B
80 150 4 5/8" UNC-2B
Flanged meters with holes NOT threaded
Meters DN150 G250 to G650 (S3-Flow) are available with flanged connections . Holes in the flanges
are not threaded .
f
Notes
• Install all the screws and tight those smoothly before applying the tightening torque .
• Tight the screws in opposite pairs according the order of figure 1 .
ISO PN Flanges (ISO7005)
Diameter D
Thread type
(mm)
M12 85
M16 110
M16 125
M16 120,6
M16 125
M16 125
M16 127
M16 127
M16 160
M16 152,4
M16 180
ANSI Flanges (ANSI/ASME B1 . 1 – 1989)
Diameter D
Thread type
(mm)
79 . 4
98,6
120,6
120,6
127
127
152,4
152,4
Face of the flange
150
Figure 1
L (mm)
Alu EN-GJS-400-18LT
24 -
24 24
24 24
24 24
- -
- -
- -
- -
24 24
24 24
24 24
L (mm)
Alu EN-GJS-400-18LT
24 -
24 -
24 -
24 24
- -
- -
24 -
24 24
ISO PN 10-16-20, ANSI 150 Flanges
DN Nb of holes
8 22,4
7
3
5
2
8
4
Maximum torque
Steel
value (Nm)
-
-
-
-
28
28
28
28
-
-
-
Maximum torque
Steel
value (Nm)
-
-
-
28
28
28
-
34,5
ø f Diameter D (mm)
241
1
6
40
100
100
100
100
100
100
100
100
100
100
40
40
100
100
100
100
100
100
T
26
61