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C O N T E N T S

B Serie lobe pump code

page

Pump materials

Introduction

Preliminary checks

Installation

Piping system

First starting

General maintenance

Relief Valve and manual By-pass

11-12

Trouble shooting guide

Reference tables - Rotor clearances - Tightening torque

– Heating jacket and seal flushing connections

– Mechanical seal overall dimensions

– Bearings

Instructions for assembly and disassembly - pump type B1-B2-B3-B4-B550

Instructions for bearing housing assembly - pump type B1 - B2 - B3 - B4

Instructions for assembly and disassembly - pump type B5 - B6

25-32

Instructions for driving shaft inversion - pump type B5 - B6

Spare parts choice

– Seals for pump type B1 - B2 - B3 - B4 - B470 - B490 - B550

33-34

– Seals for pump type B660 - B680

– By pass - relief valve

– Aseptic rotor case

– Jacketed end cover and rotor case

– Technical drawing - pump type B105 - 110 - 115

– Technical drawing - pump type B215-220-325-330-430-440-470-490-550

– Technical drawing - pump type mod. B660 - 680

– Materials, seals and options codes

– Components and rotor cases codes

– Parts list - spare parts code

" 43-44-45

– Technical drawing - pump type B100

46-47

– Seals for pump type B100

– Parts list - spare parts code

– Common fluids features - Seal/Rotor preferred choice

50-51

Содержание B Series

Страница 1: ...Installation operation and maintenance manual AUT N 810 EDIZ 07 01 ...

Страница 2: ...tructions for assembly and disassembly pump type B5 B6 25 32 Instructions for driving shaft inversion pump type B5 B6 33 Spare parts choice 33 Seals for pump type B1 B2 B3 B4 B470 B490 B550 33 34 Seals for pump type B660 B680 35 By pass relief valve 36 Aseptic rotor case 37 Jacketed end cover and rotor case 37 Technical drawing pump type B105 110 115 38 Technical drawing pump type B215 220 325 330...

Страница 3: ...ER SPECIAL VERSIONS B 1 1 0 5 2 0 0 C R V B 0 Type UM lip seal 1 Teflon packing rings 2 Teflon packing rings hydraulic barrier 3 SS Carbon balanced mech seal 4 Tung Carbide Carbon balanced mech seal 5 Tung Carbide Tung Carbide balanced mech seal 6 Ceramic Carbon balanced mech seal 7 Ceramic Rulon balanced mech seal 8 Silicon Carbide Sil Carbide balanced mech seal 9 Special seals 0 Standard end cov...

Страница 4: ...tainless steel anti seizure alloy Acteon optional Dew 88 met alloy optional AISI 316 stainless steel optional Titanium degree 2 optional Hastelloy alloy C 276 SHAFT SEALS code 0 UM lip seal standard Viton optional Polymer S1 code 1 2 Teflon packing rings Lubricated P T F E code 3 B T C5E B2GVGG or Fluiten KL2A Z32Y1DJE mech seal AISI 316 stainless steel Carbon code 4 Roten U7K X73Z7 HX or Fluiten ...

Страница 5: ...otorization should be entrusted to qualified staff A joint misalignement can cause a damaging stress that may produce vibration in the pipeline and accelerated pump wear 2 In choosing the speed at which the pump must run consult carefully the chart given by manufacturer about medium viscosity see technical handbook and table at page 46 3 If the pump is delivered with motor coupling and base the as...

Страница 6: ...ining of the piping system 10 Where possible arrange a flexible expansion joint to reduce vibration and to avoid forcing due to thermal expansion of piping 11 We advise to arrange gauges and vacuum gauges near the pump They are usefull to check the pump working conditions and diagnose possible trouble such as pressure overload flow absence instability in duty conditions cavitation 12 Where necessa...

Страница 7: ...pump priming 16 In vacuum sucking reduce at min the friction losses due to suction pipe Arrange a check valve on outlet side in order to avoid the air or liquid reflux during the pause so that to keep the piping completely full to make easier the starting on load 7 RIGHT WRONG Air A foot valve B check valve Fig 6 RIGHT WRONG Air Air Fig 7 Fig 8 VACUUM VACUUM ...

Страница 8: ...e pumps can run even dry because the moving parts are not in touch except for slip faces of the seals which expecially at high speed tend to get overheated Therefore we suggest you should not let the pump run dry for long time in order to avoid seal wear The allowed time for dry running depends on turning speed and on materials of seal slip faces 5 minutes for PTFE or carbon and 15 seconds for car...

Страница 9: ...eans of oil with higher viscosity see Tab 9 and replace it every 1000 working hours 4 2 SINGLE BALANCED MECHANICAL SEALS Fig 23 24 1 The mechanical seals require no maintenance 2 If a leakage occurs because of contact surface wear replace the complete seal see disassembling instructions 3 In case of long working with worn seals check the pruduct doesn t enter the bearing housing 4 IMPORTANT Don t ...

Страница 10: ... s necessary to wash pump and piping system at the end of each work or at the beginning of a long plant pause 2 The reversibility of the rotation direction peculiarity of all OMAC pumps allows the product return emptying discharge piping 3 If the pump hasn t run for long period at starting check the sealing devices are not blocked turning by hand the pump shaft 4 If the product is subject to conge...

Страница 11: ... and driven by a spring register compressed 5 The relief valve adjustment must be carried on pump working because the recycle consistency depends on pump speed product absolute weight and viscosity 6 In order to avoid continuous vibrations the relief valve must be adjusted in such a way that it starts working with a pressure over 10 of duty pressure 5 2 RELIEF VALVE ADJUSTMENT Fig 21 1 Start the p...

Страница 12: ...amber letting part of the pumped liquid go back into the sucking chamber 3 This operation is not allowed with volatile liquids or with products sensitive to temperature increase due to the product continuous recycle 4 For products with viscosity over 15 000 Cps if you have to recycle the whole pumped product we suggest you should arrange on line a by pass rightly proportionate so that it allows th...

Страница 13: ...g chamber within the limits given by manufacturer Suspended particles in 13 Clean suction pipe arrange on inlet a filter product 14 Remove possible obstructions in outlet piping clean it Excessive back pressure enlarge its diam reduce lenghts and bends of outlet piping Too tight packing 15 Loosen packing gland and tighten it rightly see instructions Too loose packing 16 Tighten packing gland right...

Страница 14: ...2 0 35 0 35 0 10 0 10 0 25 0 20 0 20 B490 0 20 0 20 0 27 0 35 0 32 0 32 0 35 0 35 0 10 0 10 0 25 0 20 0 20 B550 0 22 0 22 0 35 0 40 0 32 0 32 0 40 0 40 0 15 0 15 0 35 0 25 0 22 B660 0 27 0 27 0 35 0 50 0 37 0 37 0 50 0 50 0 27 B680 0 27 0 27 0 35 0 50 0 37 0 37 0 50 0 50 0 27 B100 B1 B2 B3 B4 B470 B5 B6 Rotors in AISI 316 ST version Rotors in AISI 316 SM version Rotors in S S anti seizure alloy Sh...

Страница 15: ... 3 4 3 4 3 4 C 1 8 1 4 1 4 1 4 1 2 3 4 3 4 3 4 D 56 75 100 122 150 180 230 300 B100 B1 B2 B3 B4 B470 490 B5 B6 d1 20 30 35 50 65 80 65 100 d6 29 39 44 62 77 95 77 115 d7 35 45 50 70 85 105 85 125 L1 29 1 29 1 29 1 34 1 38 8 43 8 38 8 41 3 L2 44 44 44 50 55 5 59 55 5 85 L3 19 1 19 1 19 1 21 1 25 8 25 8 25 8 25 8 L4 10 10 10 13 13 18 13 15 5 L5 2 2 2 2 5 2 5 3 2 5 3 L6 5 5 5 6 6 7 6 7 L7 9 9 9 9 9 9...

Страница 16: ... for the right pre loading 2 The bearings for pump type B5 B6 are according ISO norms of straight roller type and double ball crown type everywhere available 3 The bearings life time depends on duty conditions speed pressure absorbed power Calculus about bearing life time will delivered upon request only if duty conditions are well know Tab 17 Bearings Pump size Bearings pre assembled front rear B...

Страница 17: ...17 8 INSTRUCTIONS FOR ASSEMBLY AND DISASSEMBLY PUMP TYPE B1 B2 B3 B4 B550 Fig 14 Cross section type B105 B110 B115 Fig 15 Cross section type B215 B220 B325 B330 B430 B440 B550 ...

Страница 18: ... a non metal element between the rotors making them stop rolling 3 Take care of the reference marked on rotors and shafts 1 2 so that you will set them rightly while re assembling 4 Extract the rotors taking care you don t damage them by means of metal tools 5 Unscrew the back nuts and extract the rotor case 6 Extract the stationary part of the mechanical seal from rotor case ...

Страница 19: ...he O ring and introduce the rotating part of the seal possibly by means of a conical bush Exert pressure only with hands avoid using metal tools 11 Be sure the mechanical seals stand on the shaft shoulder and tighten by degrees the socket head screws We suggest you should use a thread locking adhesive in order to avoid their untightening on work 12 Assemble the stationary part of the seal on rotor...

Страница 20: ...uts see tab 14 In order to stop turning interpose a non metal element between rotors 15 After disassembling the rotor case remove the oil and the drive key on shaft 16 Remove the gear cover and make a reference mark on gears in order to respect the right timing while re assembling 17 Disconnect the retainer keys on lock washers 18 Unscrew the retainer ring nut inserting a non metal wedge between g...

Страница 21: ...ace the gears with a spacer in order not to break down the pre assembled bearing 21 Remove the bearing retainers 22 Extract the shafts by means of a non metal hammer 23 Mark the spacers for the axial shaft adjustment then replace them rightly while re assembling 24 Disconnect the retainer keys of lock washers unscrew the retainer ring nuts and remove the bearings mod B1 mod B2 B3 B4 ...

Страница 22: ... pre assembled and axially locked bearing is arranged mod B1 mod B2 B3 B4 mod B1 mod B2 B3 B4 26 Dimensions X 0 02 B1 B2 B3 B4 63 39 50 41 40 50 90 27 Assemble the pre assembled front bearing tighten the ring nut and set the retainer key in the ring nut slot IMPORTANT Put all keys of the safety washer up to the ring nut in order to let the spacer pass for the axial adjustement 28 Assemble the pre ...

Страница 23: ...tor case and rotors as previously described and check the plays as per tab 13 31 If rotor clearances are not included in tolerances as per tab 13 disassemble rotors the rotor case and adjust the spacer according to the requested dimension N B A spacer set can be requested to the manufacturer company 32 Remove the spacers used for dismounting and insert the keys for gear drive in their seats with a...

Страница 24: ... the gear teeth 35 Being the wedge inserted among the gears tighten the rotor nuts taking care of the driving torque as per tab 14 36 Time perfectly the rotors and tighten the screws of the adjustable gear gradually checking the rotor timing 37 Tighten completely the adjustable gear screws taking care of the driving torque as per tab 14 N B IN CASE OF RE TIMING IT S NECESSARY TO REPLACE THE PLANE ...

Страница 25: ...25 9 INSTRUCTIONS FOR ASSEMBLY AND DISASSEMBLY PUMP TYPE B6 Fig 16 Cross section type B660 B680 ...

Страница 26: ...26 9 INSTRUCTIONS FOR ASSEMBLY AND DISASSEMBLY PUMP TYPE B550 Fig 16 bis Cross sections type B550 ...

Страница 27: ...se 3 Unscrew anticlockwise the rotor nuts interposing a non metal element between the rotors making them stop rolling 4 Take care of the reference marked on rotors and shafts 1 2 so that you will set them rightly while re assembling 5 Extract the rotors taking care you don t damage by means of metal tools 6 Untighten the two security screws and remove the seal flange ...

Страница 28: ... seal surfaces don t lay them on the bench and handle them with clean hands 11 Clean carefully the shafts Be sure the spacers for the seals are set 295 Lubricate lightly the O rings and insert the rotating part of the seals on the shafts Exert pressure only with hands avoid using metal tools 12 Be sure the mechanical seals stand on the shaft shoulder and tighten by degrees the socket head screws W...

Страница 29: ...rding to reference pins and tighten the suited screws 15 Assemble the rotors setting them on pitch according to the reference marks 1 2 Clamp the rotors nuts see tab 14 In order to stop turning interpose a non metal element between rotors Tighten the rotor nuts 16 Assemble the rotor case setting the O ring 17 After disassembling the rotor case remove the oil and the drive spline on shaft 18 Remove...

Страница 30: ...ling 20 Remove the ball bearing from its support taking away the bull ring 21 Mark the gears in order to set them rightly while re assembling 22 Withdraw the shafts with the gears still inserted For this operation we suggest a mechanical lifting equipment which can use the threaded holes arranged on shaft ends 23 Remove the inside ring of the roller bearing by means of an extractor Remove the gear...

Страница 31: ...d with a interference therefore we suggest a shrink fitting heating the ring in 90 C oil bath in order to avoid any seizure Insert the gear keys in their seats with a lightly forced connection IMPORTANT Assemble the adjustable gear on the shaft which will be set up on the pump 27 Assemble the shafts If the gears heven t been removed from the shafts respect the timing previously marked while re ass...

Страница 32: ... according to the requested dimension N B a spacer set can be requested to the manufacturer company 33 Tighten completely the adjustable gear screws taking care of the driving torque as per tab 14 N B IN CASE OF RE TIMING IT S NECESSARY TO REPLACE THE PLANE WASHERS CAVED BY PREVIOUSLY CLAMPING 34 Assemble the gear cover taking care to set the O ring and insert the key on the shaft Put into gear bo...

Страница 33: ...e re assembling 2 Re assemble the inverted shafts each with the corresponding marked details on disassembly The gears must mesh with the same gear and tooth space previously marked in order to respect timing Being completely assembled check clearances and rotor timing are included in tolerance table as per tab 13 11 SPARE PARTS CHOICE 1 Seals for pump type B1 B2 B3 B4 B550 PACKING GLAND Pos 285 28...

Страница 34: ...223 EPDM VITON UM seal ring or PTFE special lip ring 224 AISI 316 SS turning ring for UM ring AISI 316 SS ceramic coated turning ring for special PTFE lip ring BALANCED ROTARY MECHANICAL SEAL TYPE C5E KL2A Code 3 Stationary part 316 AISI SS Rotating part carbon O ring EPDM viton Code 6 Stationary part ceramic Rotating part carbon O ring EPDM viton Code 7 Stationary part ceramic Rotating part rulon...

Страница 35: ...os 292 AISI 316 SS hydraulic ring for flushing of a liquid BALANCED MECHANICAL SEAL TYPE 7K C5E KL2A Code 3 AISI 316 SS Graphite EPDM viton O ring Code 4 Tung Carbide Graphite EPDM viton O ring Code 5 Tung Carbide Tung Carbide EPDM viton O ring Code 6 Ceramic Graphite EPDM viton O ring Code 7 Ceramic Rulon EPDM viton O ring Code 8 Silicon Carbide Sil Carbide Viton EPDM O ring SIMPLE FLUSHED MECHAN...

Страница 36: ...36 Fig 21 Safety valve and hand by pass 3 BY PASS SAFETY VALVE ON PUMP COVER ...

Страница 37: ...37 4 ASEPTIC VERSION ROTOR CASE 5 JACKETED END COVER AND ROTOR CASE FOR PUMP HEATING OR COOLING Fig 36 Jacketed end cover Fig 37 Jacketed rotor case ...

Страница 38: ...38 Fig 18 Pump type B105 B110 B115 ...

Страница 39: ...39 Fig 19 Pump type B215 B220 B325 B330 B430 B440 ...

Страница 40: ...40 Fig 20 Pump type B550 B660 B680 ...

Страница 41: ...NG CARBIDE TUNG CARBIDE EPDM 6 MECH SEAL BTC5E B2V1VGG CERAMIC CARBON VITON MECH SEAL FLUITEN KL2A Z32 CDJE CERAMIC CARBON EPDM 7 MECH SEAL BTC5E YV1VGG CERAMIC RULON VITON 8 MECH SEAL FLUITEN KL2A U32U31VJE SILICON CARBIDE SIL CARB EPDM Q DOUBLE MECHANICAL SEAL FLUITEN KL2A REQUIRED MATERIALS MATERIALS FOR SEALS TYPES METALS CARBIDES OXIDES H 304 STAINLESS STEEL UNITEN X 316 STAINLESS STEEL UNITE...

Страница 42: ...2001G002 ROTOR CASES CODE CONNECTION PARTS MATERIALS 2 Finished component 5 Semi finished component 6 Raw melted component 3 Family of belonging 0 Standard 1 Standard heated 2 Aseptic 3 Aseptic heated 6 Enlarged inlet port 7 Heated Enlarged inlet port 0 UM and mechanical seals 1 Packing glands 9 Special 0 BSP male gas thread 1 PN 16 UNI 2278 flanges 2 DIN 11851 3 SMS 4 RJT BS 5 IDF ISS 6 Tri Clamp...

Страница 43: ...43 ...

Страница 44: ...44 ...

Страница 45: ...45 ...

Страница 46: ...46 Fig 40 Cross section type B100 ...

Страница 47: ...47 Fig 41 Pump type B100 ...

Страница 48: ...N B R Viton O ring Pos 280 PTFE lubricated braid packing ring BALANCED ROTARY MECHANICAL SEAL U7K Code 3 Stationary part carbon O ring EPDM viton Rotating part aisi 316 s s Code 4 Stationary part carbon O ring EPDM viton Rotating part tung carbide Code 5 Stationary part tung carbide O ring EPDM viton Rotating part tung carbide Code 8 Stationary part silicon carbide O ring EPDM viton Rotating part ...

Страница 49: ...tandard end cover AISI 316 L S S 1 2006B007 4337 cover o ring N B R 1 404T4337 M6x80 front stud AISI 304 S S 4 419A06X80 d 8x20 front pin AISI 304 S S 2 417A08X16 2056 O ring N B R 2 404T2056 M6 cap nut AISI 304 S S 4 414A06 UNI 5588 nut AISI 304 S S 2 413A06 Plane washer Iron 6 412F04 Retainer pin AISI 304 S S 2 2014B200 Mechanical seal UNITEN 7K X7XZ7 HX AISI 316 S S CarbonN EPDM 2 4U020U7KXZ7 M...

Страница 50: ...50 ...

Страница 51: ...51 ...

Страница 52: ...ITALGRAF RUBIERA RE OMAC S r l POMPE Via G Falcone 8 42048 RUBIERA RE ITALY TEL 0522 629371 629923 FAX 0522 628980 www omacpompe com E mail commerciale omacpompe com ...

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