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CONTENTS

1. GENERAL INFORMATION .........................................................................................................

1.1

SUPPLY CONDITIONS ...................................................................................................

1.2

MANUFACTURER ..........................................................................................................

1.3

USER MANUAL CONTENT ............................................................................................

1.4

NAME, TYPE ..................................................................................................................

1.5

NOISE EMISSIONS ........................................................................................................

1.6

APPLICATION FIELDS AND LIMITS. ALLOWED AND NOT ALLOWED USES ..............

2. TRANSPORT, HANDLING, PACKAGING, STORAGE ...............................................................

3. DESCRIPTION OF THE PUMP AND THE PUMP UNIT ..............................................................

3.1

GENERAL DESCRIPTION OF THE MACHINE ...............................................................

3.2

WARNINGS ....................................................................................................................

3.3

PROTECTION DEVICE ..................................................................................................

3.4

ADDITIONAL DESCRIPTION OF ACCESSORIES .........................................................

3.4.1

Seal parts ............................................................................................................

4. INSTALLATION, ASSEMBLY .....................................................................................................

4.1

SPECIAL ASSEMBLY TOOLS ........................................................................................

4.2

INSTALLATION SITE INFORMATION ............................................................................

4.2.1

Space requirements for operation and installation ...............................................

4.2.2

Inspection before starting installation ..................................................................

4.2.3

Baseplate, foundation plate details ......................................................................

4.2.4

Alignment requirements ......................................................................................

4.2.5

Suction lift ...........................................................................................................

4.3

INITIAL INSTALLATION ..................................................................................................

4.3.1

Complete pump unit ............................................................................................

4.3.2

Free shaft pump ..................................................................................................

4.4

DRIVE UNIT AND ACCESSORY ASSEMBLY ................................................................

4.4.1

Motor ..................................................................................................................

4.4.2

Installation of safety and control devices .............................................................

4.5

ELECTRICAL CONNECTIONS, CONNECTION CABLES ..............................................

4.6

PIPING............................................................................................................................

4.6.1

General ...............................................................................................................

4.6.2

Forces and moments which operate on suction and delivery flanges. .................

4.6.3

Fastening screw torques .....................................................................................

5. COMMISSIONING, OPERATION, SHUTDOWN .........................................................................

5.1

DOCUMENTATION ........................................................................................................

5.2

PUMP PREPARATION FOR STARTUP .........................................................................

5.2.1

Filling / discharge ................................................................................................

5.2.2

Electrical connections .........................................................................................

www.bedu.nl

Содержание S Series

Страница 1: ...made for your process Operating and maintenance manual Gear pump S SK series ...

Страница 2: ...www bedu nl ...

Страница 3: ...TION 4 2 1 Space requirements for operation and installation 4 2 2 Inspection before starting installation 4 2 3 Baseplate foundation plate details 4 2 4 Alignment requirements 4 2 5 Suction lift 4 3 INITIAL INSTALLATION 4 3 1 Complete pump unit 4 3 2 Free shaft pump 4 4 DRIVE UNIT AND ACCESSORY ASSEMBLY 4 4 1 Motor 4 4 2 Installation of safety and control devices 4 5 ELECTRICAL CONNECTIONS CONNEC...

Страница 4: ...rtup after shutdowns 5 4 3 Pump system requirements 5 4 4 Startup shutdown frequency 5 4 5 Operation and startup with closed valve 5 5 SHUTDOWN 5 5 1 Decommissioning 5 5 2 Emptying 6 MAINTENANCE AND INSPECTION 6 1 USE PRECAUTIONS 6 2 WEARABLE MATERIALS 6 3 SURVEILLANCE DURING OPERATION 6 4 PREVENTIVE MAINTENANCE 6 5 PUMP DISASSEMBLY AND REASSEMBLY 6 5 1 Tools 6 5 2 Disassembly reassembly procedure...

Страница 5: ...l the necessary information to ensure a safe and correct use of the machine It was written when applicable according to point 5 5 of Standard EN 292 part 2 1992 Machinery Safety according to point 7 of Standard UNI EN 809 2000 Pumps and Pump Units for Liquids Common Safety Requirements and according to point 1 7 4 of Directive 98 37 EC 1998 ex 89 392 EC In this manual it is constantly referred to ...

Страница 6: ...lication operating conditions and liquid characteristics provided in contract specifications Each variation which alters the in tended use of the pump is forbidden and the User is fully responsible for it e g the use of a liquid which is corrosive to pump materials rather than the recommended fluid etc For var iations in use within the application limits e g fluid viscosity variations it is advise...

Страница 7: ...c coupling The access to the coupling and the projecting segments of motor side and pump side shafts is prevented by a safety coupling guard The pump unit can be equipped with a mechanical speed reducer or an hydraulic speed variator for the adjustment of the rotation speed EC approved The assembly rests on a strong metal baseplate 3 2 WARNINGS Standard construction pumps as an indication require ...

Страница 8: ...DEVICE The coupling guard installed by the Manufacturer is made of a strong metal plate fastened to the baseplate by screws duly shaped to prevent fingers from coming into contact with moving parts It can be removed only by using a proper tool 3 4 ADDITIONAL DESCRIPTION OF ACCESSORIES 3 4 1 Seal parts The pump is usually supplied equipped with mechanical seal If the Customer requires a particular ...

Страница 9: ...storms earthquakes and other similar external conditions high level of vibrations high altitude flood hazard areas 4 2 3 Baseplate foundation plate details The metal base plate shall be of sufficient size and strength to support induced stress When the pump unit is installed it shall be firmly fixed in place by fastening bolts or by using other securing methods Ground fastening bolts or other secu...

Страница 10: ...o not adversely affect the correct operation of the pump if they do not exceed the delivery limits stamped on rating plate Furthermore it is necessary to check that siphons are not created in the suction pipe since the formation of air pockets generates vibrations and stresses which are not compatible with the correct operation of the pump and may obstruct the pump priming at startup In case of in...

Страница 11: ...4 3 1 choose the type of mo tor and align it to the pump on a baseplate The motor must be selected by the Customer depending on the type of operation for which it is specifically requested continuous operation discontinuous operation repeated startups indoor or outdoor installation explosive atmosphere critical environmental conditions alti tude etc with power compatible with that required by the ...

Страница 12: ... on the shaft and wear of bushes g it is also essential to avoid generating axial stress on the inner magnet which would cause the consequent premature deterioration of bushes by leaving the outer magnet free to position itself axially After positioning the pump and the motor it is therefore necessary to unscrew the coupling fastening grub screw on the motor shaft and retight en it after the magne...

Страница 13: ...nomena pipe and or valve break 4 5 ELECTRICAL CONNECTIONS CONNECTION CABLES The machine shall be connected to the external ground protection system by the appropriate terminal which must be identified by the PE letter Connection cables shall be properly sized and insulated Before energizing the machine always verify that the mains voltage and fre quency are compatible with those of the motor 4 6 P...

Страница 14: ...o a CIP cycle washing ensured by an internal drain line which by creating a vacuum after partially closing the intake valve in the bearing area and the seal chamber removes completely any traces of conveyed liquid 5 2 2 Electrical connections It is necessary to choose wires which satisfy the operating conditions required by the Cus tomer e g voltage current electric shock protection bundle of cabl...

Страница 15: ...ay de crease and the noise level may increase although the pump has taken in the liquid with consequent premature deterioration of bearing bushes and moving parts Where applicable verify that the pipes for the external flow of mechanical seals are properly connected Verify the proper operation of the relief valve to do so it is necessary to gradually increase pressure by acting on the valve locate...

Страница 16: ...a connection pipe to be provided by the User to collect and dispose the liquid drained or coming from any possible leakage from the shaft seal or discharged by a pressure relief valve 6 MAINTENANCE AND INSPECTION Maintenance operations and pump disassembly must be performed only by author ized and specifically trained people 6 1 USE PRECAUTIONS Before performing any maintenance operation please ob...

Страница 17: ...CE DURING OPERATION The pump unit does not need the presence of an Operator during the work cycle It is up to the User to provide or not a periodic surveillance depending on the importance and serious ness of the operation The relevant checks shall be aimed to detect abnormal noise vibra tion temperature levels and or some dripping from the mechanical seals variations of pres sure and or flow rate...

Страница 18: ...re 2 a Access to the external mechanical seal After removing the feather key from its seat loosen the hexagonal head screws of the ex ternal seal cover and remove this last by paying attention not to damage the static part of the external seal housed in the cover It is thus possible to check the state of wear and tear of the external seal contact surfaces On reassembly pay attention not to pinch t...

Страница 19: ...uble tandem mechanical seals see Figure 3 a Access to the external mechanical seal Place a basin of suitable size and capacity under the seal cover and by loosening the grub screw empty the tank After removing the feather key from its seat loosen the hexagonal head screws of the external seal cover and extract this last by paying attention not to damage the static part of the external seal housed ...

Страница 20: ... coupling see Figure 4 a Access to inner magnet Place a basin of suitable size and capacity under the inner magnet cover loosen the hexag onal head screws and disassemble the cover and the O ring Unscrew the screw remove the washer and disassemble the inner magnet On reassembly pay atten tion not to pinch the sealing O ring housed on the centering ring We recommend the use of tools in non magnetic...

Страница 21: ...en the driv ing shaft in some cases it is necessary first to disassemble the gears and and then extract the feather key and remove the driving shaft from the front side Disassemble the locking spring clips A if any and extract the gears and from shafts on reassembly pay attention not to modify the position of the helical gearing not to reverse the direction of the axial thrust On reassembly revers...

Страница 22: ...flanges Increase the valve operating pres sure Replace with free ball foot valve CAUSE The motor is not powered Incorrect supply voltage Excessive power consumption Mechanical lock of motor and or pump shafts Magnetic coupling detachment Direction of rotation reversed Valves on suction and or discharge pipes closed Suction filter clogged Presence of air in the suction pipe High pressure losses in ...

Страница 23: ...id Replace bushes Decrease the fluid temperature CAUSE Presence of air in pipes Cavitation Ball bearing and or bush failure Pump saturation Excessive speed of rotation in relation to the fluid viscosity Relief valve opening Cavitation Relief valve opening Friction increase by thermal effect Deterioration bush shims Decrease in viscosity due to the tem perature increase ORIGIN Hydraulic Hydraulic M...

Страница 24: ...ts and damages due to negligence and poor maintenance For the application of the warranty it is necessary that the Customer informs immediately Bedu Pompen about the pump defect causing the trouble the pump was not tampered with the pump is returned to Bedu Pompen clean after removing any trace of the process fluid and in a proper packaging the pump is equipped with its nameplate a short descripti...

Страница 25: ...9 ANNEXES Maintenance operations and pump disassembly must be performed only by author ized and specifically trained people www bedu nl ...

Страница 26: ...Figure 1 Single Seal www bedu nl ...

Страница 27: ...en shaft 7 1 Driving gear 8 1 Driven gear 9 4 Bush 10 1 Mechanical seal 13 1 Spring ring optional 14 1 Ball bearing optional 15 4 6 Socket head screw 16 3 Socket head screw 17 2 Dowel pin 22 2 Gear feather key 23 1 Feather key 24 2 O ring 25 2 Spring clip 26 1 O ring 27 1 Adapting flange 28 4 Socket head screw 29 1 Grub screw www bedu nl ...

Страница 28: ...Figure 2 Double Back to Back Seals www bedu nl ...

Страница 29: ... seal 13 1 Spring ring optional 14 1 Ball bearing optional 15 4 6 Socket head screw 16 3 Socket head screw 17 2 Dowel pin 22 2 Gear feather key 23 1 Feather key 24 2 O ring 25 2 Sring clip 25B 1 Seeger ring 26 1 O ring 27 1 Adapting flange 28 4 Socket head screw 29 1 Grub screw 34 1 Double mechanical seal cover 35 1 Ring 36 1 Grub screw 37 1 Outer mechanical seal 56 3 Socket head screw 57 1 O ring...

Страница 30: ...Figure 3 Double Tandem Seals www bedu nl ...

Страница 31: ...1 Spring ring optional 14 1 Ball bearing optional 15 4 6 Socket head screw 16 3 Socket head screw 17 2 Dowel pin 22 2 Gear feather key 23 1 Feather key 24 2 O ring 25 2 Sring clip 25B 1 Seeger ring 26 1 O ring 27 1 Adapting flange 28 4 Socket head screw 29 1 Grub screw 34 1 Double mechanical seal cover 35 1 Ring 36 1 Grub screw 37 1 Outer mechanical seal 53 1 Flushing pot 56 3 Socket head screw 57...

Страница 32: ...Figure 4 Magnetic Drive Coupling www bedu nl ...

Страница 33: ...ing ring optional 14 1 Ball bearing optional 15 4 6 Socket head screw 16 3 Socket head screw 17 2 Dowel pin 22 2 Gear feather key 24 2 O ring 25 2 Sring clip 26 1 O ring 40 1 Adapting flange 40A 1 Adapting flange 41 1 Magnatic coupling cover 42 1 Inner magnet 43 1 Outer magnet 44 1 Feather key 45 1 Washer 46 1 Hexagonal head screw 47 6 8 Socket head screw 48 1 O ring 49 1 Coupling 50 4 Hexagonal h...

Страница 34: ...Figure 5 Packing seal www bedu nl ...

Страница 35: ...ng gear 8 1 Driven gear 9 4 Bush 10 1 Mechanical seal 13 1 Spring ring optional 14 1 Ball bearing optional 15 4 6 Socket head screw 16 3 Socket head screw 17 2 Dowel pin 20 1 Foot 21 2 Socket head screw 22 2 Gear feather key 23 1 Feather key 24 2 O ring 80 1 Ring 81 1 Centring ring 82 4 6 Packing seal 83 3 4 Stud 84 3 4 Nut 85 3 4 Plane washer www bedu nl ...

Страница 36: ...Figure 5 Valve cover PART LIST FIG 6 ITEM Q TY DESCRIPTION 60 1 Valve cover 61 1 Cap 62 1 Adjusting screw 63 2 Washer 64 1 Nut 65 1 Spring 66 1 Shutter www bedu nl ...

Страница 37: ...lity Standards EN ISO 12100 2010 EN IEC 60204 1 2006 EN 809 A1 C1 Additional information No further details Declaration We hereby declare under our sole responsibility that the product s mentioned above to which this declaration relates complies with the above mentioned standards and Directives BEDU Pompen BV Poort van Midden Gelderland Rood 10 6666 LT Heteren Tel 31 0 88 4802 900 Fax 31 0 88 4802...

Страница 38: ...www bedu nl ...

Страница 39: ...www bedu nl ...

Страница 40: ...ts of bij u op locatie Een snelle en passende oplossing voor al uw vraagstukken Breed assortiment vloeistofpompen Reparatie onderhoud en revisie made for your process BEDU POMPEN B V Poort van Midden Gelderland Rood 10 6666 LT HETEREN Nederland Telefoon 31 0 88 4802 900 Fax 31 0 88 4802 901 E mail info bedu nl WWW BEDU NL BEDU BELGIUM B V B A Industriepark West 75 bus 24 9100 SINT NIKLAAS België T...

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