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Operating instructions

KRAL screw pumps.

Series C / Type CGF/CGH/CGV/CLE

Mechanical seal/Radial shaft seal

OIC 18en-GB
Edition 2020-01
Original instructions

www.kral.at

Содержание CGF

Страница 1: ...Operating instructions KRAL screw pumps Series C Type CGF CGH CGV CLE Mechanical seal Radial shaft seal OIC 18en GB Edition 2020 01 Original instructions www kral at ...

Страница 2: ... 22 10 2 2 Filling and venting the pump 23 10 2 3 Checking the direction of rotation 24 10 2 4 Commissioning the pump 25 10 3 During operation 26 10 3 1 Checking the operating pressure 26 10 3 2 Monitoring filters and or strainers 26 10 3 3 Setting the overflow valve optional 26 10 3 4 Switching off the pump unit 26 10 4 Decommissioning 27 10 4 1 Decommissioning the pump 27 10 5 Recommissioning 28...

Страница 3: ...ing 58 16 4 Overview of CLE 851 CLE 951 3550 outer bearing 59 16 5 Overview of outer housing GJS CGF CGH CGV 60 16 6 Overview of outer housing steel CGF CGH CGV 60 16 7 Overview of accessories CGF CGH CGV 61 16 8 Tool sets 61 16 8 1 Tool set mechanical seal 61 16 8 2 Tool set radial shaft seal 62 17 Appendix 62 17 1 Tightening torques for screws with metric screw threads with and without wedge loc...

Страница 4: ...nd on the basis of the relevant provisions Information on the required qualification of the personnel is provided separately at the beginning of the individual chapters in these instructions The following table provides an overview Target group Activity Qualification Transport personnel Transporting unloading setting up Qualified personnel for transport mobile crane operators crane operators forkl...

Страница 5: ...liquids that are chemically neutral and that do not contain gas or solid components o Use the pump only within the operating limits specified on the rating plate and in the chapter Tech nical data In the case of operating data that do not agree with the specifications on the rating plate please contact the manufacturer o The pump is designed specially for the operating pressure named by the custom...

Страница 6: ...h pressure and can result in personal injury and damage to property in case of incorrect operation or damaged components o Pumped liquids can be hot poisonous combustible and caustic Use corresponding protective equipment o Observe the associated data sheets and safety regulations when handling dangerous materials o Avoid skin contact with system parts carrying liquids at operating temperatures ex...

Страница 7: ...dge housing aluminium outer housing steel PN63 F Cartridge housing GJS outer housing steel PN63 G Cartridge housing aluminium without outer housing H Cartridge housing GJS without outer housing X Special design 6 Pressure stage type overflow valve material A 0 9 9 bar circulation valve GJS up to size CG210 B 0 5 9 bar circulation valve GJS from size CG235 C 6 0 9 9 bar circulation valve GJS from s...

Страница 8: ...meter Unit 15 26 32 42 55 85 105 118 160 210 235 275 370 450 550 880 851 951 1101 1301 1501 1701 2250 2850 3550 Max operating overpres sure o Pump with flange PN40 bar 40 o Pump with flange PN63 bar 63 Max temperature of the pumped liquid o Standard mechanical seal C 150 o Mechanical seal of hard material C 180 o Mechanical seal with quench C 150 o Mechanical seal balanced C 180 o Mechanical seal ...

Страница 9: ...its 4 2 Required NPSH values The required NPSH values of the pump depend on the size the viscosity of the pumped liquid and the speed The NPSH values are available on the website of the manufacturer www kral at en screw pumps 4 3 Sound pressure level Guide values at 1 m distance 1450 min 1 10 bar Size 15 42 55 118 160 275 370 450 550 880 851 1301 1501 1701 2250 3550 Max sound pressure level 3 dB A...

Страница 10: ... 5 Function description 5 1 Cartridge pump structure 1 2 3 4 6 7 1 8 9 5 Fig 3 CLE 15 660 CLE 880 structure inner bearing 1 2 3 4 5 1 9 7 10 11 6 8 Fig 4 CLE 851 CLE 951 3550 structure inner bearing 10 OIC 18en GB Edition 2020 01 Operating instructions ...

Страница 11: ... 2 3 4 6 7 1 8 9 5 10 Fig 6 Structure CLE 851 CLE 951 3550 outer bearing 1 Main screw 7 Shaft seal mechanical seal 2 Idle screw 8 Seal housing 3 Cartridge housing 9 Bearing bush 4 Flange cover 10 Counter pressure valve 5 Balancing cylinder 11 Seal flange 6 Ball bearing Operating instructions OIC 18en GB Edition 2020 01 11 ...

Страница 12: ...essure limits and viscosity limits Due to the narrow tolerances pump ing of suspended solids is not possible Axial support of the main screw 1 is carried out by the ball bearing 6 Various shaft seals 7 are avail able for sealing the main screw at the outlet from the housing In order to reduce the pressure at the shaft seal a balancing cylinder 5 is mounted at the main screw The sealing chamber is ...

Страница 13: ...all bearing Mechanical seal with quench If low volatile liquids or liquids that tend to harden when coming into contact with the atmo sphere are used a mechanical seal 1 can also be used in combination with a radial shaft seal ring 3 This allows the sealing chamber to be connected via the leakage vent holes 2 with a quench tank so that the side of the mechanical seal facing away from the liquid wi...

Страница 14: ...h these holes has to be kept free Dry running must be avoided at all costs as the seal will overheat and be des troyed in a matter of seconds 1 3 2 2 1 Mechanical seal 2 Leakage vent hole 3 Ball bearing Mechanical seal with quench If low volatile liquids or liquids that tend to harden when coming into contact with the atmo sphere are used a mechanical seal 1 can also be used in combination with a ...

Страница 15: ...tion immediately to the manufacturer 3 Dispose of packaging material in accordance with the locally applicable regulations 6 4 Transporting the pump pump unit Personnel qualification o Transport personnel Personal protective equipment o Work clothing o Protective helmet o Protective gloves o Safety boots Aids o Mobile crane forklift hoisting equipment WARNING Risk of injury and damage to equipment...

Страница 16: ...erm preservation for storage times of up to 60 months The pump is additionally packed in hermetically sealing anti corrosion paper Personnel qualification o Transport personnel Aids o Mobile crane forklift hoisting equipment ATTENTION Damage to equipment and corrosion if stored improperly and during longer standstills Protect the pump against damage heat sunlight dust and moisture Protect against ...

Страница 17: ...mpar able protection 1 Brush calcium complex grease corrosion protection for example TEVIER FETT WAWE 100 with adhesive additive to the mounting surfaces 2 Brush or spray preservative for example Castrol Rustilo DWX 33 onto the process connections and remaining plain and unpainted parts 3 At intervals of about six months check the preservation and if necessary repeat 7 4 Removing the preservation ...

Страница 18: ...rtical installation position Notice Soiling in the pipe system impair the service life of the pump If the pipe system is flushed using the pump during the initial commissioning an additional commissioning filter has to be installed temporarily before the pump at the system mesh width 0 02 mm Personnel qualification o Transport personnel o Fitter Personal protective equipment o Work clothing o Prot...

Страница 19: ...inst being switched back on Observe the operating instructions of the electrical components DANGER Risk of death through emitted pumped liquid Pumped liquids can be hot poisonous combustible and caustic and can spray out under high pressure Wear personal protective clothing during all the work Ensure face protection Before beginning work let the pump unit cool down to the ambient temperature Ensur...

Страница 20: ...Safety boots Aids o Mobile crane forklift hoisting equipment ATTENTION Damage to device through impurity in the pipe system During welding work attach protective covers in front of the connecting flanges Ensure when welding that welding beads and abrasive dust cannot get into the pipe system and the pump Ensure that a commissioning filter is installed when the pipe system is flushed and cleaned us...

Страница 21: ...o Safety boots ATTENTION Damage to coupling and bearing through incorrect alignment of the coupling To guarantee a long service life of the coupling align shaft ends exactly After assembly check permissible displacement figures of the coupling according to table below DH E L ΔKa L max L ΔKa H D r K Δ E H D ΔKw mm Lmax L L min min Δ K w max L Fig 13 Coupling alignment measuring points Outer diamete...

Страница 22: ... to the complete system continue equipotential bonding 10 Operation 10 1 Dangers during operation The following safety instructions must be observed strictly o Have all work carried out only by authorized qualified personnel o Before commissioning ensure that a safety valve has been installed in the pipe system on the pressure side before the first shut off device o Before commissioning make sure ...

Страница 23: ...nciple diagrams 2 3 1 1 3 2 1 2 3 1 3 2 2 3 1 2 3 1 2 3 1 1 3 2 2 3 3 2 2 3 1 2 3 1 2 3 1 3 2 2 3 1 3 2 2 3 1 2 3 1 1 CGF CGH CGF CGH with overflow valve CGV with overflow valve 1 Vent hole sealing chamber 2 Suction side vent hole 3 Pressure side vent hole Filling and venting the pump via the suction connection or pressure connection Personnel qualification o Fitter Personal protective equipment o...

Страница 24: ...nt hole 1 by a max of 2 rotations so that air can escape during the filling process 2 Remove the screw plug of the pressure side vent hole 3 3 Fill the pump via the pressure side vent hole 3 until the pumped liquid is emitted at the vent hole 1 4 During the filling process turn the pump shaft or fan impeller of the motor by hand to speed up the filling process Filling of the suction chamber Turn t...

Страница 25: ...commissioning ensure that a safety valve is installed in the pressure side pipe system at the system end WARNING Risk of injury through emitted pumped liquid Pumped liquids can be hot poisonous combustible and caustic Wear personal protective clothing during all the work Ensure face protection Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in...

Страница 26: ...ion o Trained personnel bar bar Fig 14 Pressure gauge shut off valves closed open principle diagram ATTENTION Leak in the pressure gauge through permanently opened pressure gauge shut off valve Close the pressure gauge shut off valve immediately after completing reading 1 Open the pressure gauge shut off valve 2 Read the operating pressure and close the pressure gauge shut off valve 10 3 2 Monitor...

Страница 27: ...clothing during all the work Ensure face protection Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in accordance with the applicable local regulations ATTENTION Damage to equipment through excessively fast temperature change Subject the pump only to slow temperature changes Under no circumstances heat the pump with an open flame Carry out the...

Страница 28: ... o Pumped liquids can be hot poisonous combustible and caustic Use corresponding protective equipment o Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in accordance with the applicable local regulations o Ensure that the collection tank for discharging pumped liquids is sufficiently large o Observe the operating instructions and data sheets o...

Страница 29: ...ace protection Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in accordance with the applicable local regulations 1 Check the pump visually and acoustically every four weeks 2 If there are signs of wear eliminate the cause Ä Servicing Page 30 11 6 Cleaning the leakage vent hole The regular small amounts of leakage can result in deposits that ...

Страница 30: ...ng table lists signs of progressive wear of individual pump elements Finding Cause Elimination Increased running noises Incipient damage to bearing Replace the ball bearing Increased leaking Incipient damage to seal Replace the shaft seal Deposits at the shaft seal only applies for mechanical seal Low volatile liquids Clean the mechanical seal Increased play in the coupling Advanced wear of the co...

Страница 31: ...nd pull out the motor 3 Loosen the fixing screw 6 at the motor side coupling half 5 4 Remove the coupling intermediate ring 4 and pull off the coupling half using an extractor 9 2 3 11 10 5 Secure the pump 2 with eye bolts hoisting equipment in such a way that the pump bracket can be pulled exactly horizontally from the pump 6 Pull out the socket screws 9 between the pump and pump bracket and remo...

Страница 32: ...eth pump side and the fitting surface of the motor flange The distance has to be adjusted to the measured value X minus coupling dis tance E see table of limit values for aligning the shaft coupling Ä Connection Page 20 9 Tighten the fixing screw on the motor side coupling half and insert the coupling intermediate ring 4 10 Secure the motor with eye bolts hoisting equipment so that the motor can b...

Страница 33: ...ze 851 951 3550 Remove the flat gaskets 7 2x and carefully clean the fitting surface of the seal housing 4 Attention Ensure that the adapter sleeve threaded pin is not damaged 12 12 10 3 2 Mechanical seal standard hard material Size 15 660 880 figure left Size 851 951 3550 figure right Press the stationary seal ring 12 out of the seal housing seal flange or 13 14 3 12 2 Mechanical seal with thrott...

Страница 34: ...nical seal carefully and grease it and push the mounting sleeve main screw B onto the main screw 16 B 12 B 17 1 1 18 19 18 19 20 20 3 Mechanical seal standard with throttle ring with quench figure left Press the supporting ring 20 and rotary seal ring 16onto the main screw until it stops or Mechanical seal hard material figure right Loosen the fixing screws 17 of the mechanical seal quantity depen...

Страница 35: ...al housing 5 Clean the sliding surfaces of the mechanical seal carefully and grease with silicone grease 3 5 4 1 7 5 11 3 7 4 10 8 2 B 1 B 9 6 6 6 Position the flat gasket 7 at the seal housing 7 Attention Ensure that the spring ring 2 straight pin 8 is not damaged during the mounting of the seal housing Take the holes in the pump flange into account Carefully slide the seal housing with flat gask...

Страница 36: ...f the seal housing 3 and take off the seal housing or Size 851 951 3550 figure right Remove the socket screws 4 of the seal flange 10 and take off the seal flange Pull the O ring 9 off the seal flange 10 Remove the socket screws 11 of the seal housing 3 and take off the seal housing 7 17 14 15 16 16 15 3 4 14 13 7 11 14 15 16 15 3 14 16 7 8 2 3 Size 15 660 880 Remove the circlip 13 4 Press the rad...

Страница 37: ...ntled so that the supporting ring 18 with circlip 19 are visible on the shaft of the main screw 1 2 Clean the main screw around the mechanical seal carefully and grease it and push the mounting sleeve main screw B onto the main screw 3 Carefully clean the fitting surface of the radial shaft seal in the seal housing 3 4 Apply thread sealant for example Loctite 572 Ensure that no thread sealant come...

Страница 38: ...g 11 Attention Ensure that the adapter sleeve 2 straight pin 8 is not damaged while mounting the seal housing Take the recess into account Slide the seal housing 3 onto the main screw until it stops 12 Size 15 660 880 figure left Tighten the socket screws 4 between the seal housing and the pump with torque or Size 851 951 3550 figure right Tighten the socket screws 11 between the seal housing and ...

Страница 39: ...sher only at Size 15 660 880 off the idle screws and keep it for mounting 6 Size 15 660 880 2250 3550 Remove the edge sealing rings 8 from the flange cover 7 Remove the flat gasket 11 at the flange cover 8 Remove the O ring 10 from the flange cover and lift the flange cover from the main screw 9 Unclamp the main screw 2 rotate it by 180 and clamp again 10 Remove the circlip 15 and supporting ring ...

Страница 40: ... it by 180 and clamp again 5 Mount the flange cover 5 onto the main screw 3 2 5 6 11 8 9 1 4 6 Clean the fitting surfaces carefully position the flat gasket 11 in the flange cover 7 Size 15 660 880 2250 3550 Position the edge sealing rings 8 in the flange cover Take the recesses for the edge sealing rings into account 8 Mount the bearing bush set 9 consisting of the bearing bush and segment washer...

Страница 41: ...ghten the socket screws 7 with torque 12 Mount and lightly grease the O ring 4 in the flange cover 12 7 Replacing the mechanical seal and ball bearing outer bearing 12 7 1 Removing the mechanical seal and ball bearing Personnel qualification o Fitter Personal protective equipment o Work clothing o Protective gloves o Safety boots Aids o Tool set mechanical seal Ä Spare parts Page 56 o Extractor Re...

Страница 42: ...ith the extractor from the seal housing 3 and re move the supporting ring 11 7 Size 370 450 Remove the seal Nilos ring 10 8 Attention Ensure that the adapter sleeve threaded pin is not damaged 14 3 Mechanical seal standard hard material Size 32 42 55 118 160 660 880 851 951 3550 Push the stationary seal ring 14 from the seal housing or 16 18 3 14 Mechanical seal with quench Size 32 42 55 118 160 6...

Страница 43: ...sing the components into the seal housing ensure that the adapter sleeve 21 is not damaged Take the recess into account 14 3 21 A Mechanical seal standard hard material Size 32 42 55 118 160 660 880 851 951 3550 Use the mounting arbour stationary seal ring A to press the stationary seal ring 14 with mounted O ring into the seal housing 3 or 16 18 3 14 A E 21 3 16 18 Mechanical seal with quench Siz...

Страница 44: ... 3 2 24 25 12 Size 32 42 55 118 Mount the supporting ring 22 and circlip 23 onto the main screw or Size 160 880 Mount the distance ring 4 locking plate 5 groove nut 6 onto the main screw or Size 851 951 3550 Mount the distance sleeve 24 and circlip 25 onto the main screw 13 Mount the feather key 7 F 1 2 14 Remove the main screw stop for the outer bearing F from the pump housing 12 8 Replacing the ...

Страница 45: ...from the flange cover and lift the flange cover from the main screw 9 Unclamp the main screw 2 rotate it by 180 and clamp again 10 Size 32 42 55 118 160 660 880 Remove the supporting ring 14 and circlip 15 from the main screw Pull the balancing cylinder 12 from the main screw 12 8 2 Installing the screw set Personnel qualification o Fitter Personal protective equipment o Work clothing o Protective...

Страница 46: ...4 7 18 16 16 17 17 19 16 17 7 Place the idle screws left and right of the main screw so that the fitting surfaces of the bearing bushes contact the shaft of the main screw Observe the alignment of the positioning pins 16 8 Attention Ensure that the adapter sleeve 18 straight pin 19 is not damaged when mounting the cartridge housing Take the hole 17 into account Slide the cartridge housing 1 over t...

Страница 47: ...ast two load ropes Do not stand under raised loads Requirement ü Suction connection and pressure connection protected against soiling through protective cover ü Coupling removed 4 1 3 2 1 Position the pump with eye bolts hoisting equipment so that the vertical set up on the end cover is secured against falling over 2 Also secure the outer housing against falling over 3 Remove the socket screws 1 a...

Страница 48: ...ly clean the fitting surfaces of the cartridge housing 3 and the outer housing 4 2 Set up the outer housing vertically and secure it against falling over 3 Position the cartridge housing with eye bolts hoisting equipment vertically over the outer housing 4 Lightly grease the O ring 2 5 Slide the cartridge pump exactly vertically into the outer housing In the process ensure that no seals are damage...

Страница 49: ...elements made of elastomers and ceramics SiC from the pump and dispose of them in separately 4 Recycle iron parts 14 Troubleshooting 14 1 Possible faults Faults can have different causes The following tables list the symptoms of a fault the possible causes and measures for troubleshooting Identifica tion Fault 1 No pump suction 2 Delivery rate too low 3 Pump too loud 4 Motor overload 5 Uneven deli...

Страница 50: ...rflow valve leaks Contact the manufacturer 2 Advanced wear of the housing screw set Contact the manufacturer 7 Advanced wear of sealing surfaces Replace the seal and check the pumped liquid for abrasive substances If required re place the filter strainer or Contact the manufacturer 3 Coupling aligned incorrectly Assemble the coupling and motor correctly Ä Connection Page 20 3 Pump subject to mecha...

Страница 51: ...seal by pressure build up during the heating process Open the pressure side suction side shut off device in order to avoid a pressure build up through heat expansion of the pumped liquid 1 2 3 4 5 Cold start when delivering high viscosity liquids Install the heating system 4 7 Foreign bodies in the pump Contact the manufacturer 7 Differential pressure is too high and has overloaded the idle screws...

Страница 52: ...ction The fluid heating system consists of a heating cover 483 attached additionally to the end cover through which a heating liquid for example vapour thermal oil flows Scope of delivery Size 15 3550 1 heating cover 8 socket screws Tab 12 Scope of delivery of the fluid heating system Operating data Parameter Unit Value Max pressure bar 18 Max liquid temperature C 220 Tab 13 Operating data fluid h...

Страница 53: ...01 1301 515 461 401 65 155 R 3 8 7 1501 1701 531 495 432 65 173 R 3 8 8 2250 2850 3550 Tab 14 Dimensions and steam amount outer housing GJS Pump with outer housing steel L1 L1 L2 R H1 Size Dimensions mm Steam amount kg h L1 L2 H1 R 15 26 60 230 75 R 1 4 1 32 42 60 230 75 R 1 4 2 55 85 60 275 90 R 1 4 2 105 118 70 315 120 R 1 2 3 160 210 70 350 104 R 1 2 3 235 275 70 395 130 R 1 2 4 370 450 90 440 ...

Страница 54: ...d heating system 1 Take the required heating up periods into account Ä Accessories Page 52 2 When setting the pressure and temperature of the heating fluid take the permissible operating limits of the pump into account Ä Technical data Page 8 15 2 Overflow valve 1 The installed overflow valve 1 optional ensures that very high pressures that could cause housing parts to burst do not arise The overf...

Страница 55: ...o 110 of the differential pressure in the factory 2 2 1 2 1 1 Fig 16 Overflow valve 1 Screw plug cap 2 Adjusting screw WARNING Risk of injury through emitted pumped liquid Pumped liquids can be hot poisonous combustible and caustic Wear personal protective clothing during all the work Ensure face protection Collect any discharging pumped liquid safely and dispose of it in an environmentally compat...

Страница 56: ...shaft seal ring 1 056 3 Supporting ring 1 746 Throttle ring 1 074 Flange cover 1 817 Ball bearing 1 131 Cartridge housing 1 859 1 Adapter sleeve 1 134 Seal housing 1 859 2 Adapter sleeve 2 165 Screw plug 1 859 3 Adapter sleeve 1 222 1 Flat gasket 1 866 Feather key 1 222 2 Flat gasket 1 869 Circlip 1 428 Counter pressure valve 1 869 2 Circlip 2 454 Edge sealing ring 4 915 1 Socket screw 1 457 Mecha...

Страница 57: ...g 1 074 Flange cover 1 817 Ball bearing 1 097 Seal flange 1 866 Feather key 1 131 Cartridge housing 1 869 1 Circlip 1 134 Seal housing 1 869 2 Circlip 1 165 Screw plug 1 879 1 Straight pin 1 222 1 Flat gasket 1 879 2 Straight pin 1 222 2 Flat gasket 1 884 Threaded pin 1 222 3 Flat gasket 6 8 10 915 1 Socket screw 1 428 Counter pressure valve 2 915 2 Socket screw 2 454 Edge sealing ring 4 915 3 Soc...

Страница 58: ...ng 1 074 Flange cover 1 817 Ball bearing 1 131 Cartridge housing 1 859 1 Adapter sleeve 1 134 Seal housing 1 859 2 Adapter sleeve 2 165 Screw plug 1 859 3 Adapter sleeve 1 222 1 Flat gasket 1 866 Feather key 1 222 2 Flat gasket 1 869 1 Circlip 1 306 Groove nut 1 869 2 Circlip 1 307 Locking plate 1 869 3 Circlip 1 428 Non return valve screw in 1 870 Circlip 2 454 Edge sealing ring 4 915 1 Socket sc...

Страница 59: ... key 1 131 Cartridge housing 1 868 Supporting ring 1 134 Seal housing 1 869 Circlip 1 165 Screw plug 1 870 Circlip 1 222 1 Flat gasket 1 879 1 Straight pin 1 222 2 Flat gasket 1 879 2 Straight pin 1 222 3 Flat gasket 1 884 Threaded pin 1 428 Counter pressure valve 6 8 10 915 1 Socket screw 2 454 Edge sealing ring 2 915 2 Socket screw 1 457 Mechanical seal 1 1037 Bearing bush set 1 661 Screw set 1 ...

Страница 60: ...ng 1 540 1 End cover 4 6 8 915 7 Socket screw 2 540 2 End cover 8 12 1 6 915 8 Socket screw 1 544 Pump foot 6 915 9 Socket screw 1 546 Outer housing 4 6 8 915 10 Socket screw Tab 20 Spare parts outer housing GJS 16 6 Overview of outer housing steel CGF CGH CGV 165 915 10 625 002 739 9 552 915 11 Fig 22 Spare parts outer housing steel Qty Item No Part Qty Item No Part 1 002 Cartridge pump 1 739 9 O...

Страница 61: ... Flat gasket 1 739 10 O ring 1 424 Overflow valve 4 6 8 915 8 Socket screw 1 483 Fluid heating system 4 6 8 915 9 Socket screw 1 739 7 O ring Tab 22 Spare parts accessories 16 8 Tool sets 16 8 1 Tool set mechanical seal Qty Part A 1 Mounting arbour stationary seal ring B 1 Mounting sleeve main screw C 1 Mounting sleeve ball bearing D 1 Mounting sleeve pump flange Only for size 851 2900 Operating i...

Страница 62: ...rs according to the table three times after another with the same tightening torque Tightening torque Nm Screws with head contact surface Countersunk screws Stainless steel screws A2 and A4 Thread 5 6 8 8 10 9 8 8 Alu Property class 70 Property class 80 8 8 M 3 0 6 1 5 1 2 1 M 4 1 4 3 0 4 1 2 3 2 M 5 2 7 6 0 8 0 4 8 3 5 4 7 5 M 6 4 7 10 3 14 0 7 6 6 0 8 0 9 M 8 11 3 25 0 34 0 18 4 16 0 22 0 14 M 1...

Страница 63: ...ed in inches 17 3 Contents of the Declaration of Conformity The products described in these instructions are machinery in the sense of the Directive 2006 42 EC The original of the EC Declaration of Conformity is enclosed with the machinery at delivery The machinery fulfils all the relevant provisions of the following directives Number Name Remark 2006 42 EC Machinery Directive 2014 68 EU Pressure ...

Страница 64: ...KRAL GmbH 6890 Lustenau Austria Tel 43 5577 86644 0 E Mail kral kral at www kral at ...

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