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Control systems Self-acting controls
Union kit
Union kit (for sensor immersion without pocket) Includes gland nut, compression ring and union nipple. SA121, SA1219 and SA128
W V
Y Z
Items Z, Y and X
5
5
SA122
Items W, V and U
U
X
Pockets (for indirect immersion) Includes pocket, gland nut and compression ring. SA121, SA1219 and SA128
1" BSPT or NPT
¾" BSP or NPT
Y Z
W V
Items T, Z and Y
SA122
Items S, W and V.
9
¾ " BSP or NPT
1" BSPT or NPT
9
Available materials
Stainless steel
T
Wall mounting bracket (Item 6) SA121, SA1219, SA122 and SA128
S
4.5 78
Optional
Pocket (metal)
SA122
Duct fixing adaptor (for air sensing within ducts) Includes adaptor plate, union nipple, compression ring and gland nut. SA121, SA1219 and SA128 Items 8, X, Y and Z SA122 Not available
SA121, SA1219 and SA128
8
X
Y
Z
112 mm
112 mm
Duct fixing adaptor
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions supplied with the product.
How to order Example: 1 - Spirax Sarco SA121 temperature control system, having temperature range 2, 2 m (6.6 ft) capillary and stainless steel pocket.
TI-P046-01 CTLS Issue 22
Page 4 of 4
SA121, SA122, SA128 and SA1219 Self-acting Temperature Control Systems
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