Catalog
DATE PAGE Descriptionofedits
Valves
A-23
usa.siemens.com/hvac
NO/NC
1/2 to 1"
Non-Spring Return Actuator
Floating
3P
0-10 V
2-Way
Valve Body
Part No.
Valve
Size
in.
Flow
Rate
Cv
Close
Off
psi SSB81U SSB61U
Normally Open
1/2
0.4 60
0.63 60
1 60
1.6 60
2.5 35
4 35
3/4 6.3 30
1 10 30
Normally Closed
1/2
0.4 70
0.63 70
1 70
1.6 70
2.5 40
4 40
3/4 6.3 30
1 10 30
indicate complete assemblies.
●
●
Water Mixing
1/2 to 1"
Non-Spring Return Actuator
Floating
3P
0-10 V
3-Way
Valve Body
Part No.
Valve
Size
in.
Flow
Rate
Cv
Close
Off
psi SSB81U SSB61U
1/2
0.4 70
0.63 70
1 70
1.6 70
2.5 40
4 40
3/4 6.3 30
1 10 30
indicate complete assemblies.
Values are for the NC upper port. For NO lower port values, refer to Engineering, Section G.
Zone & Powermite
Selection Tables
Two- & Three-Way Globe Valve
Assemblies – MZ Series
ANSI Class 250
Electronic Non-Spring Return Actuators
Siemens offers a
5-year warranty
on valves and
actuators