Data Sheet for Product

Technical Instructions Powermite 599 Series MZ Series Zone Control Two-way Valves
Document No. 155-198P25
December 29, 2009
Page 6 Siemens Industry, Inc.
Table 5. Close-off Pressures.
Action
Valve Size
in. (mm)
SSB Actuator
psi (kPa)
NC
1/2", 0.4< Cv <1.6
(15 mm, 0.34< Kvs <1.37)
70 (483)
1/2", 2.5< Cv <4
(15 mm, 2.15< Kvs <3.44)
40 (276)
3/4" and 1" (20 mm and 25 mm) 30 (207)
NO
1/2", 0.4< Cv <1.6
(15 mm, 0.34< Kvs <1.37)
60 (412)
1/2", 2.5< Cv <4
(15 mm, 2.15< Kvs <3.44)
35 (241)
3/4" and 1" (20 mm and 25 mm) 30 (207)
Figure 2. Close-off Pressures.