Spirax Sarco SA121 - User Manual

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IM-P382-01 CH Issue 4

SA121, SA122, SA123, SA128 and SA1219

Self-acting Temperature Control Systems

(Dial Adjustment)

Installation and Maintenance Instructions

1. Safety information

2. Use

3. Installation

4. Pre-commissioning

checks

5. Display adjustment

6. Commissioning

7. Decommissioning

8. Maintenance and

spare parts

Printed in the UK

IM-P382-01

CH Issue 4

3820050/4

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Spirax Sarco SA121 Specifications

General

Model	SA121
Manufacturer	Spirax Sarco
Type	Temperature Controller
Sizes	1/2", 3/4", 1", 1-1/4", 1-1/2", 2"
Maximum body design pressure	17 Bar g (246 psi g)
Maximum body design temperature	406°F (208°C)
Control Action	Direct acting (heating)
Sensor Type	Liquid filled
Set Point Adjustment	External adjustment
Electrical Connection	Not applicable
Mounting	Inline