Set point adjustment at valve

SA122

For use on

2-port valves

3-port valves

Remote set point adjustment

1

SA123

For use on

Optional extras

Union kit

Pocket

2-port valves

3-port valves

Direct immersion

Indirect immersion

1

3

Pocket material options include copper and stainless steel.

A glass option is also available for the SA122 and SA123 only.

3

2

Wall bracket

Duct adaptor

Nickel plating

Dial type set point adjuster

Pt100 temperature sensor

Materials

No. Part

1 Sensor

2 Actuator

3 Capillary tube

4 Adjustment head

Duct mounting

* 5

6 Mounting bracket

7 Clip

* 8

* 9

Adaptor plate (Duct fixing adaptor)

Pocket

BS 2871 C106

BS 3605 CFS 316S 18

Dial

adjustment

option

Union kit

10 Liquid fill

* Items 5, 8 and 9 are shown overleaf.

Control valves

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

Self-acting controls

© Copyright 2016

SA121, SA122,

SA123, 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

SA121, SA1219

and SA128

SA123

3-port

TW

Available types

Set point adjustment at sensor

2

4

2

6

7

3

SA121

For use on

SA1219 For use on

SA128

For use on

2-port valves

3-port valves

3-port valves

2-port valves

3-port valves

DN15 to DN80

DN20 to DN50

DN80 and DN100

DN15 to DN25

DN20 and DN25

DN15 to DN25

DN20 and DN25

DN15 to DN80

DN20 to DN50

4.5.52

SA122TP and SA123TP incorporate an internal pocket to

accept a Pt100 sensor

Material

Brass

Brass

Copper with PVC coated armoured covering

Polypropylene

Brass

Steel

Polypropylene

Steel

Copper

Stainless steel

Glass

Kerosene

1

4

4

SA122

TI-P046-01

CH Issue 13

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