ATEX UNLOADER AND RELIEF VALVES
SAFETY NOTE
SN03
Rev. 00
Date 27/10/2020
Pag. 2 of 10
INDEX
1. INTRODUCTION........................................................................................................................................................... 3
2. DESCRIPTION OF THE PRODUCT .................................................................................................................................3
2.1
CLASSIFICATION & MARKING ............................................................................................................................ 3
2.2
FIELD OF APPLICATION...................................................................................................................................... 4
2.3
TERMS USED...................................................................................................................................................... 4
3. INSTRUCTIONS FOR USE ............................................................................................................................................. 5
3.1
STORING, SHIPPING AND MOVING ................................................................................................................... 5
3.2
INSTALLATION ................................................................................................................................................... 5
3.2.1
WARNING...................................................................................................................................................... 5
3.3
FILTERING OF LIQUID ........................................................................................................................................ 5
3.3.1
CONNECTION & SETTING .............................................................................................................................. 6
3.4
USE & WORKING ............................................................................................................................................... 6
3.4.1
WORKING & ADJUSTMENT ........................................................................................................................... 6
3.4.2
SUITABLE & NON-SUITABLE USE................................................................................................................... 6
3.4.3
DANGEROUS AREAS...................................................................................................................................... 7
3.4.4
DANGER & POSSIBLE RISKS ........................................................................................................................... 7
3.4.5
PPE (PERSONAL PROTECTIVE EQUIPMENT) & PROCEDURES TRAINING....................................................... 8
3.5
SYSTEM PROCEDURES ....................................................................................................................................... 8
3.5.1
TOOLS & MACHINERY ................................................................................................................................... 8
3.5.2
LOAD & UNLOAD........................................................................................................................................... 8
3.5.3
START & STOP ............................................................................................................................................... 8
3.6
INSPECTION, ORDINARY & EXTRAORDINARY MAINTENANCE, SERVICE & CLEANING ...................................... 8
3.6.1
PRECAUTIONS ............................................................................................................................................... 8
3.6.2
ORDINARY MAINTENANCE AND CLEANING.................................................................................................. 9
3.6.3
EXTRAORDINARY MAINTENANCE AND REPAIR............................................................................................. 9
3.6.4
INHIBITION AND RE-INSTALLATION OF THE VALVE .................................................................................... 10
3.6.5
REPLACEMENT OF PARTS & SPARES ........................................................................................................... 10
3.7
PREVENTION & REPRESSIVE ACTIONS (PRECAUTIONS) .................................................................................. 10