Control systems Self-acting controls
4
Table 8 Control system ancillaries
Control system type SA121 SA122 SA128
Mounting options and ancillaries
1" shown
Standard pocket immersion length (mm)
315
258
258
Size (BSP or NPT)
1"
¾"
1"
•
•
•
Wall mounting bracket
•
•
•
¾"
1"
Union kit for sensor immersion without pocket
•
Duct fixing kit
•
•
•
Twin sensor adaptor When coupled to a valve allows operation by two actuators
4.5 13
Twin sensor adaptor
Twin sensor adaptor
Manual actuator
•
•
•
Manual actuator When coupled to a valve, it enables the valve to be manually operated.
Manual actuator
Manual actuator
TI-S21-07 CTLS Issue 6
Page 13 of 13
2-Port Self-acting Temperature Control Valve Selection for Heating and Cooling Applications
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