25
Flow Ranges
Meter Bore
Size
in.
Linear Flow Ranges (based on water)
a
Nominal
Calibration
Factor
pulses/gal
(pulses × 1000/m
3
)
Max. Output
Frequency
pulses/sec
∆p at Max. Flow
psi (kPa)
gal/min
m
3
/h
B/D
3/8
0.46 to 3
0.104 to 0.68
10 to 100
22,000 (5812)
1,100
4 (28)
1/2
0.80 to 7.5
0.182 to 1.70
25 to 250
14,500 (3830)
1,815
12 (83)
3/4
2 to 15
0.45 to 3.41
68 to 515
2,950 (780)
740
18 (124)
7/8
3 to 30
0.68 to 6.81
100 to 1,000
2,350 (621)
1,175
20 (138)
1
5 to 50
1.14 to 11.36
170 to 1,700
900 (238)
750
20 (138)
1 1/2
15 to 180
3.41 to 40.88
515 to 6,000
325 (86)
975
16 (110)
2
40 to 400
9.09 to 90.85
1,300 to 13,000
55 (14.5)
365
22 (152)
3
80 to 800
18.17 to 181.7
2,750 to 27,500
57 (15.2)
760
16 (110.4)
4
100 to 1,200 22.71 to 272.55
3,400 to 41,000
30 (7.9)
600
10 (69)
6
250 to 2,500 56.78 to 567.82
8,600 to 86,000
7 (1.8)
290
10 (69)
8
350 to 3,500 79.49 to 794.94 12,000 to 120,000
3 (0.8)
175
6 (41)
a
The linear flow range of liquids with non-lubricating characteristics is limited to the upper 60% of rating.
