Operating manual
AQUA S.p.A.
ENGLISH
Page 2
SUMMARY
INTRODUCTION ......................................................................................................................................................................................3
RESPONSABILITY LIMITATIONS .......................................................................................................................................................3
VALIDITY .............................................................................................................................................................................................3
ENVIRONMENT AND SAFETY REQUESTS ...........................................................................................................................................5
ICONS AND SUGGESTIONS IN THE FOLLOWING INSTRUCTIONS ................................................................................................5
POTENTALLY EXPLOSIVE AREA USE ..............................................................................................................................................5
SAFETY VALVE ..................................................................................................................................................................................5
SUITABILITY AND CHEMICAL COMPATIBILITY CHECK ...................................................................................................................5
ELECTROMAGNETIC COMPATIBILITY NOTE: ..................................................................................................................................5
NOISE LEVELS ...................................................................................................................................................................................6
VIBRATIONS .......................................................................................................................................................................................6
HOT SURFACE ...................................................................................................................................................................................6
TRANSPORT, MOVEMENT AND STORAGE ..........................................................................................................................................6
RECEIVEMENT CHECK ......................................................................................................................................................................6
STORAGE ...........................................................................................................................................................................................6
TRANSPORTATION AND RAISING ....................................................................................................................................................7
STANDARD PACKAGE .......................................................................................................................................................................7
DESCRIPTION .........................................................................................................................................................................................7
DATA STICKER ...................................................................................................................................................................................7
LIQUID END MATERIALS ...................................................................................................................................................................8
FUNCTION PRINCIPLES ....................................................................................................................................................................8
USE RESTRICTIONS ..........................................................................................................................................................................9
PREDICTED USE ................................................................................................................................................................................9
RATIONALLY PREDICTED WRONG USE ..........................................................................................................................................9
FORBIDDEN USE .............................................................................................................................................................................. 10
FLOWRATE ADJUSTMENT SYSTEM ............................................................................................................................................... 10
MANUAL ADJUSTMENT WITH KNOB AND LINEAR VERNIER ........................................................................................................ 10
TECHNICAL DATA ............................................................................................................................................................................ 10
INSTALLATION ..................................................................................................................................................................................... 11
GENERAL INDICATIONS: ................................................................................................................................................................. 12
CONNECTION TO PLANT PIPES ..................................................................................................................................................... 12
ELECTRIC MOTOR CONNECTION .................................................................................................................................................. 12
HYDRAULIC PART INSTALLATION .................................................................................................................................................. 13
SUCTION PIPE .................................................................................................................................................................................. 14
PROTECTION BY IMPURITIES: ........................................................................................................................................................ 16
LIQUIDS WHIT GAS EMISSIONS: ..................................................................................................................................................... 16
CALIBRATION POT ........................................................................................................................................................................... 16
DISCHARGE PIPE ............................................................................................................................................................................. 16
SAFETY VALVE ................................................................................................................................................................................ 17
PULSATION DAMPENER .................................................................................................................................................................. 18
MANOMETER .................................................................................................................................................................................... 18
START 18
PRELIMINARY CHECKS ................................................................................................................................................................... 18
STARTING SEQUENCE .................................................................................................................................................................... 18
MAINTENANCE PROGRAM .............................................................................................................................................................. 18
PERIODICAL VISUAL CHECK .......................................................................................................................................................... 19
PRECAUTIONS BEFORE MAINTENANCE ....................................................................................................................................... 19
VALVE GROUP REPLACEMENT ...................................................................................................................................................... 19
DIAPHRAGM REPLACEMENT .......................................................................................................................................................... 20
PUSHING ROD SEAL REPLACEMENT ............................................................................................................................................ 20
GEARBOX OIL CHECK AND REPLACEMENT. ................................................................................................................................ 21
MALFUNCTIONS AND possible SOLUTIONS ..................................................................................................................................... 21
DECOMMITIONING, Disposal and demolition ..................................................................................................................................... 22
DECOMMITIONING ........................................................................................................................................................................... 22
DISPOSAL AND DEMOLITION .......................................................................................................................................................... 22
WARRANTY .......................................................................................................................................................................................... 24
REPAIRS TO AQUA ASSISTANCE CENTER .................................................................................................................................... 24
