Data Sheet for Product

599 Series 2-Way Ball Valves Technical Instructions
Document Number 155-703P25
May 28, 2020
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)
Fail-Safe, 24V
2-Position
GQD126.1P
GMA126.1P
N.O.
N.C.
N.O.
N.C.
Actuator Prefix Code
171N
172N
171P
172P
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
10.00
(8.62)
6.94
(5.93)
6.19
(5.29)
3/4 (20)
599-10311
599-10311S
25.00
(21.55)
18.66
(15.95)
15.35
(13.12)
1 (25)
599-10316
599-10316S
63.00
(54.31)
39.78
(34.00)
33.56
(28.69)
1-1/4 (32)
599-10321
599-10321S
100.00
(86.21)
69.19
(59.13)
51.45
(43.98)
1-1/2 (40)
599-10324
599-10324S
63.00
(54.31)
55.34
(47.30)
51.00
(43.59)
599-10326
599-10326S
160.00
(137.93)
93.80
(80.17)
76.34
(65.25)
2 (50)
599-10329
599-10329S
100.00
(86.21)
94.30
(80.60)
86.12
(73.61)
= Valve may be oversized.
= Optimal valve size.
= Valve may be undersized.