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Spirax Sarco Spira-trol LE33 User Manual

Spirax Sarco Spira-trol LE33
68 pages
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IM-S24-42 CTLS Issue 10
1
1. Safety information
2. General product information
3. Installation and
commissioning
4. Maintenance:
DN15 - DN100
5. Maintenance:
DN125 - DN300
6. Spare parts
© Copyright 2018
Printed in France
3740050/10
Spira-trol
TM
K and L Series
Two-port Control Valves
Installation and Maintenance Instructions
IM-S24-42
CTLS Issue 10
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Spirax Sarco Spira-trol LE33 Specifications

General IconGeneral
BrandSpirax Sarco
ModelSpira-trol LE33
CategoryControl Unit
LanguageEnglish

Summary

Safety information

Safety note - Handling precautions

Precautions for handling PTFE components, especially regarding heat and fumes.

1.1 Intended use

Verify product suitability for application and compliance with directives.

1.7 Pressure systems

Procedures for isolating and venting pressure systems safely.

1.8 Temperature

Manage temperature-related hazards like burns and PTFE fumes.

Prevention of waterhammer

General product information

2.3 Pressure/temperature limits

Pressure/temperature limits for KE43 carbon steel valves, including bellows.

2.4 Pressure/temperature limits

Pressure/temperature limits for KE61/KE63 stainless steel valves, including bellows.

2.5 Pressure/temperature limits

Pressure/temperature limits for KE71/KE73 SG iron valves, including bellows.

2.6 Pressure/temperature limits

Pressure/temperature limits for KEA carbon steel valves, including bellows.

2.7 Pressure/temperature limits

Pressure/temperature limits for KEA stainless steel valves, including bellows.

2.8 Pressure/temperature limits

Pressure/temperature limits for KEA SG iron valves, including bellows.

2.9 Pressure/temperature limits

Pressure/temperature limits for LE31/LE33 cast iron valves.

2.10 Pressure/temperature limits

Pressure/temperature limits for LE43 carbon steel valves.

2.11 Pressure/temperature limits

Pressure/temperature limits for LE63 carbon steel valves.

2.12 Pressure/temperature limits

Pressure/temperature limits for LEA31/LEA33 carbon steel valves.

2.13 Pressure/temperature limits

Pressure/temperature limits for LEA43 carbon steel valves.

2.14 Pressure/temperature limits

Pressure/temperature limits for LEA63 carbon steel valves.

Installation

Maintenance : DN15 to DN100

4.5 Removal and refitting of the valve plug/stem assembly and seat

Procedure for removing and refitting the valve plug/stem and seat.

4.6 Refitting the bonnet

Detailed steps for correctly refitting the valve bonnet.

Bellows sealed valves

4.7.1 Procedure for renewing the bellows (B) and (C) assembly

Steps to renew bellows assemblies (B) and (C).

4.7.2 Procedure for renewing the bellows (D) assembly

Steps to renew bellows assembly (D).

Maintenance : DN125 to DN300

5.5.1 Unbalanced valves

Procedure for plug/stem/seat removal/refitting in unbalanced valves.

5.5.2 Balanced valves

Procedure for plug/stem/seat removal/refitting in balanced valves.

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