Control valves

Self-acting controls

Union kit (for sensor immersion without pocket)

Includes gland nut, compression ring and union nipple.

Union kit

SA121, SA1219, SA123 and SA128

SA122

Pockets (for indirect immersion)

Items Z, Y and X

Items W, V and U

Z

Y

5

1" BSP or NPT

W

V

U

3⁄4" BSP or NPT

5

9

S

SA122

Pocket

(glass)

P

Includes pocket, gland nut and compression ring.

X

Z

Y

1" BSP

or NPT

W

V

3⁄4" BSP

or NPT

SA121, SA1219, SA123 and SA128

SA122

Available materials

Long pockets (SA122 and SA123 only)

Items T, Z and Y

Items S, W and V.

Copper and stainless steel

9

To special order only.

Having a minimum length 0.5 m, maximum length to order.

Includes pocket, bracket and rubber bung

SA122 and SA123

Items S, V, W and T, Z, Y

Available materials

Copper and stainless steel

Glass pockets (SA122 and SA123 only)

Pocket

(metal)

T

SA121,

SA1219,

SA123

and

SA128

To special order only.

Includes pocket, bracket and rubber bung

SA122 and SA123

Wall mounting bracket (Item 6)

SA121, SA1219, SA122, SA123 and SA128

Items R, O and P

Optional

Duct fixing adaptor (for air sensing within ducts)

Includes adaptor plate, union nipple, compression ring and gland nut.

SA121, SA1219, SA123 and SA128

Items 8, X, Y and Z

SA122

Not available

Safety information, installation and maintenance

O

R

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 capillary and stainless steel pocket.

8

Duct fixing

adaptor

112 mm

112mm

X Y

Z

TI-P046-01 CH Issue 13

SA121, SA122, SA123, SA128 and SA1219 Self-acting Temperature Control Systems

Page 3 of 3

4.5.54