Quantcast Table 4-1. Operating  Characteristics Oscillating Piston and Nutating Disk Meters

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TABLE 4-1.  Operating  Characteristics
Oscillating Piston and Nutating Disk Meters
Maximum
Maximum Number of
Pressure
Recommended*
Disc Nutations or
Safe
Lose at Safe
Maximum
Piston  oscillations
Maximum
Normal
Maximum
Rate for
Operating  Operating
Test Flow
Meter
Minimum
Continuous
capacity
size
Limits
capacity
Test Flow
Per 10 Cal
Per Cu Ft
(gpm)
(gpm)
(psi)
(inches)
(gpm)
(gpm)
5/8
435
20
580
1/4
1-20
13
10
5/8 x 3/4
435
20
580
1/4
1-20
13
10
3/4
250
333
30
2-30
13
15
1/2
1
115
50
3/4
153
3-50
25
13
1-1/2
50
67
100
50
1-1/2
3-100
15
2
30
8-160
40
160
80
2
15
3
15
300
4
16-300
20
15
150
4
28-500
9.3
7
500
15
250
7
48-1,000
4
3
6
12
500
1,000
15
*See paragraph 2
TABLE 4-2.  Physical Characteristics*
Oscillating Piston and Nutating Disk Meters
Meter Length
Meter Casing Studs
Coupling Nuts
Coupling Tailpiece
P i t c h D i a m e t e r Pitch Diameter
Nominal
Threaded
Nominal
Meter
Spud
Thread
Thread
Flanged
Size
Ends
max.
Length
Size
min.
min.
max.
Size
Ends
0.992
3/4
1,002
7-1/2
2-3/8
5/8
0.978
0.988
1/2
3/4
2-1/2
1.252
1.242
1
7-1/2
5/8 x 3/4
1.227
1.237
3/4
1.252
314
1.242
2-1/2
9
1.227
1.237
1
10-3/4
2-5/8
1
1.590
1.563
1.580
1-1/4
1.573
1
12-5/8
1-1/2
1.780
1.822
1-1/2
23
2
2.253
2
25-1/4
2.296
17
3
24
4
29
6
36-1/2
*Inches
Internal
threaded
studs
4-3





 


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