Control valves
Self-acting controls
Page 12 of 12
Mounting options and ancillaries
Spacer
Each valve has its
individual limiting conditions,
but when coupled to a
control system, these are
governed by the brass
actuator which is limited
to 232°C.
Spacer
Installing the spacer between
the valve and the control
system enables the system
to operate at a maximum
temperature of 350°C.
Note: The maximum
temperature under the
limiting conditions for each
valve should be checked in
case it is below 350°C.
Limiting conditions
Maximum pressure 25 bar g
Maximum temperature 350°C
SA122
Control system type
SA121
SA123
SA128
SA422
SA423
Manual actuator
When coupled to a valve,
it enables the valve to be
manually operated.
•
•
•
•
•
•
Manual
actuator
Manual
actuator
•
•
•
•
•
•
4.5.13
Table 8 Control system ancillaries (continued)
2-Port Self-acting Temperature Control Valve Selection
for Heating and Cooling Applications
TI-S21-07 CH Issue 1
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