Basic Documentation

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Flow Coefcients for 3-Way, Full-Port (no ow optimizer) Ball Valves
Valve Size
in. (mm)
Ball Size
in. (mm)
Valve
Part No.
Effective (Installed) Cv (Kvs)
Supply Line Size in Inches (mm)
1/2
(13)
3/4
(20)
1
(25)
1-1/4
(32)
1-1/2
(38)
2
(51)
2-1/2
(63)
3
(76)
1/2 (15) 3/4 (20) 599-10255
10.0 6.94 6.19
(8.62) (5.93) (5.29)
3/4 (20) 3/4 (20) 599-10256
16.00 13.9 12.4
(13.79) (11.98) (10.69)
1 (25) 1-1/4 (30) 599-10259
25.00 22.5 21.2
(21.55) (19.4) (18.27)
1-1/4 (30) 1-1/4 (30) 599-10261
40.00 36.9 33.3
(34.48) (31.81) (28.70)
1-1/2 (40) 1-1/2 (40) 599-10264
63.00 55.3 51.00
(54.31) (47.67) (43.96)
2 (50) 2 (50) 599-10267
100 94.3 86.1
(86.21) (81.29) (74.23)
Valve may be oversized Optimal valve size Valve may be undersizedKey
Flow Coefcients for 2-Way, Full-Port (no ow optimizer) Ball Valves
Valve Size
in. (mm)
Valve
Part No.
Effective (Installed) Cv (Kvs)
Supply Line Size in Inches (mm)
1/2
(13)
3/4
(20)
1
(25)
1-1/4
(32)
1-1/2
(38)
2
(51)
2-1/2
(63)
3
(76)
1/2 (15)
599-10307 or
599-10307S
10.0 6.94 6.19
(8.62) (5.93) (5.29)
3/4 (20)
599-10311 or
599-10311S
25.00 18.66 15.35
(21.55) (15.99) (13.12)
1 (25)
599-10316 or
599-10316S
63.00 39.78 33.56
(54.31) (34.00) (28.69)
1-1/4 (30)
599-10321 or
599-10321S
100.00 69.19 51.45
(86.21) (5.13) (43.98)
1-1/2 (40)
599-10326 or
599-10326S
160.00 93.80 76.34
(137.93) (80.17) (65.25)
2 (50)
599-10329 or
599-10329S
100.00 94.30 86.12
(86.21) (80.60) (73.61)
Control Valve Sizing and Selection