Control systems Self-acting controls
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TI-P046-01 CTLS Issue 22
SA121, SA122, SA128 and SA1219 Self-acting Temperature Control Systems
Description A range of self-powered control systems that incorporate sensor, actuator, set point adjustment / indicator for use with the following valve types:- 2-port KA, KB, KC, KX, KY, SB, SBRA, BX and BXRA, BM, BMRA, BMF, BMFRA, NS and NSRA 3-port TW
Available types Set point adjustment at sensor
4.5 75
2-port valves
DN15 to DN80 (½" to 3")
SA121, SA1219 and SA128
SA121
For use on
3-port valves
DN20 to DN50
(¾" to 2")
SA1219
For use on
3-port valves
DN80 and DN100 (3" to 4")
2-port valves
DN15 to DN25 (½" to 1")
SA128
For use on
3-port valves
DN20 and DN25 (¾" to 1")
Set point adjustment at valve
2-port valves
DN15 to DN25
(½" to 1")
SA122
For use on
3-port valves
DN20 and DN25 (¾" to 1")
Optional extras Union kit
Direct immersion
Indirect immersion
Pocket material stainless steel. Wall bracket Duct adaptor Nickel plating Dial type set point adjuster
SA122
Duct mounting
Dial adjustment option
TI-P046-01 CTLS Issue 22
Page 1 of 4
SA121, SA122, SA128 and SA1219 Self-acting Temperature Control Systems
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