UK Product Handbook 2026 - Volume 1

44

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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