Assembly and operating manual
1st stage regulator Type VSR 0523 and VSR 013
Pressure regulator with safety overpressure shut-off valve (OPSO) and pressure relief valve PRV
Type VSR 0523 non-adjustable
Type VSR 0523 adjustable
Type VSR 013
CONTENTS
ABOUT THE MANUAL ......................................................................................................................................................... 17
SAFETY ADVICE ................................................................................................................................................................. 17
PRODUCT-RELATED SAFETY ADVICE ............................................................................................................................ 17
GENERAL PRODUCT INFORMATION ............................................................................................................................... 18
INTENDED USE ................................................................................................................................................................... 18
INAPPROPRIATE USE ........................................................................................................................................................ 18
USER QUALIFICATION ....................................................................................................................................................... 18
DESIGN ................................................................................................................................................................................ 19
ADVANTAGES AND EQUIPMENT ..................................................................................................................................... 20
CONNECTIONS ................................................................................................................................................................... 21
ASSEMBLY .......................................................................................................................................................................... 22
LEAK CHECK ....................................................................................................................................................................... 24
START-UP ........................................................................................................................................................................... 25
OPERATION ........................................................................................................................................................................ 26
TROUBLESHOOTING ......................................................................................................................................................... 27
MAINTENANCE ................................................................................................................................................................... 28
REPLACEMENT .................................................................................................................................................................. 28
RESTORATION ................................................................................................................................................................... 29
SHUT-DOWN ....................................................................................................................................................................... 29
DISPOSAL ........................................................................................................................................................................... 29
TECHNICAL DATA .............................................................................................................................................................. 29
LIST OF ACCESSORIES ..................................................................................................................................................... 29
WARRANTY ......................................................................................................................................................................... 30
TECHNICAL CHANGES ...................................................................................................................................................... 30
CERTIFICATE ...................................................................................................................................................................... 30
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