599 Series 2-Way Ball Valves Technical Instructions
Document Number 155-703P25
February 4, 2016
Siemens Industry, Inc. Page 9
Table 12. Fail-Safe Assemblies: Full-Port, Stainless Steel Ball and Stem, 24V with Dual Auxiliary Switches.
Valve
Body
Product
Number*
Valve
Size
Inches
(mm)
Flow Rate
Cv
(Kvs)
Close-off ∆P in psi (kPa)
2-Position
GQD126.1P GMA126.1P
N.O. N.C. N.O. N.C.
Actuator Prefix Code
599-10307S* 1/2 (15) 10 (9)
200 (1379)
171N-10307S* 172N-10307S* — —
599-10311S* 3/4 (20) 25 (22) 171N-10311S* 172N-10311S* — —
599-10316S* 1 (25) 63 (54) — — 171P-10316S* 172P-10316S*
599-10321S* 1-1/4 (32) 100 (90) — — 171P-10321S* 172P-10321S*
599-10326S* 1-1/2 (40)
160 (140)
— — 171P-10326S* 172P-10326S*
599-10330S* 2 (50) — — 171P-10330S* 172P-10330S*
* Denotes a full-port valve without flow characterizer insert.
NOTE: Use Table 13 to determine the effective Cv when using a full-port ball valve where the ball size and the
line sizes differ.
Table 13. Full-Port (No Flow Characterizer) Ball Valve Product Numbers and Flow Coefficients.
Valve
Line Size
in
Inches
(mm)
Valve
Product
Number
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)
4
(102)
5
(127)
6
(152)
1/2 (15)
599-10307
599-10307S
(8.62)
(5.93)
(5.29)
— — — — — — — —
3/4 (20)
599-10311
599-10311S
—
(21.55)
(15.95)
(13.12)
— — — — — — —
1 (25)
599-10316
599-10316S
— —
(54.31)
(34.00)
(28.69)
— — — — — —
1-1/4 (32)
599-10321
599-10321S
— — —
(86.21)
(59.13)
(43.98)
— — — — —
1-1/2 (40)
599-10324
599-10324S
— — — —
(54.31)
(47.30)
(43.59)
— — — —
599-10326
599-10326S
— — — —
(137.93)
(80.17)
(65.25)
— — — —
2 (50)
599-10329
599-10329S
— — — — —
(86.21)
(80.60)
(73.61)
— — —
= Valve may be oversized. = Optimal valve size. = Valve may be undersized.