TECHNICAL SERVICE
+39 0522 869832
CENTRIFUGAL PUMPS
CN Series
INSTRUCTIONS FOR INSTALLATION,
OPERATION AND MAINTENANCE
Страница 1: ...TECHNICAL SERVICE 39 0522 869832 CENTRIFUGAL PUMPS CN Series INSTRUCTIONS FOR INSTALLATION OPERATION AND MAINTENANCE...
Страница 2: ...erring 5 DESCRIPTION 5 1 Sound pressure level 6 NON PERMITTED USES 7 INSTALLATION 7 1 Suction and inflow conditions 7 2 Piping 7 3 Electrical connection 8 OPERATION 8 1 Preliminary operations 8 2 Star...
Страница 3: ...us or toxic liquids are pumped When pumping liquids at a temperature over 60 C adequate protection and warning signals are requi red When you buy a pump with bare shaft motor coupling operations have...
Страница 4: ...aser Commercial parts incorporated in C S F products are guaranteed by their corresponding manufacturers 4 GOODS TRANSPORTATION RECEIVING AND TRANSFERRING 4 1 TRANSPORTATION The packings of all pumps...
Страница 5: ...NOT BE USED IN ENVIRONMENTS WHICH REQUIRE A HIGHER LEVEL OF PROTECTION OR A HIGHER SPECIFICATION MOTOR OR ELECTRICAL PARTS Components complying with the safety standards for the environment in questi...
Страница 6: ...air from entering the pump For this reason when sucking from a tank located at a lower level the pipe must reach below the free surface of the liquid In order to prevent the formation of vortices and...
Страница 7: ...efly to 5 6 times the nominal value If the mains supply is unable to substain this increase in absorption use a star delta starter or other kind of device e g an autotransformer Pict 4 Lower voltage H...
Страница 8: ...al and material are chosen according to the liquid to be pumped 9 1 MECHANICAL SEALS A mechanical seal is a device intended to retain fluid and prevent it from escaping from the pump The seal consists...
Страница 9: ...entering from the mechanical seal Replace the mechanical seal or arrange a solution with a vacuum spring in case of vacuum suction operation 4 Obstructions present along suction pipes or valves close...
Страница 10: ...cleaning when using fluids which tend to crystallize Increase washing cycles and don t leave the product laying inside the pump for a long time 27 Misassembly of the mechanical seal Assemble the mecha...
Страница 11: ...pag 11 TROUBLE POSSIBLE CAUSES AND NECESSARY OPERATIONS TO SOLVE THEM A B C D E F G H I L M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39...
Страница 12: ...14 anti clockwise 1 with a pneumatic wrench 2 with spanner or blocking the pump shaft from motor side Remove the impeller 3 and the key 15 Extract the rotary part of the mechanical seal 7 and turn it...
Страница 13: ...ess steel could be damaged by corrosion Alkaline detergent A sodium hydroxide water solution may be used at concentration 1 3 at a temperature of 70 90 C a surfactant could be added to increase the ri...
Страница 14: ...emperature for sterilization depending on gasket compound Temperature limits for rubber gasket Steam hot water Chemical bactericidal EPDM 121 C 82 C FPM FKM 149 C 82 C Impeller nut cleaning and steril...
Страница 15: ......
Страница 16: ...in this publication are indicative and do not bin ding C S F does not stand surety or undertake any obligation for the utilisation of this document and for the information contained In particular it d...
