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Operating instructions

KRAL pump stations.

Series DL2

Mechanical seal/Radial shaft seal

OID 05en-GB
Edition 2019-11
Original instructions

www.kral.at

Содержание DL2 Series

Страница 1: ...Operating instructions KRAL pump stations Series DL2 Mechanical seal Radial shaft seal OID 05en GB Edition 2019 11 Original instructions www kral at...

Страница 2: ...19 10 2 4 Commissioning the pump station 20 10 3 During operation 20 10 3 1 Checking the operating pressure 20 10 3 2 Activating the reversing valve 22 10 3 3 Adjusting the overflow valve 22 10 3 4 Sw...

Страница 3: ...6 3 2 Repair kit non return valve 41 17 Appendix 42 17 1 Tightening torques for screws with metric screw threads with and without wedge lock washers 42 17 2 Tightening torques for screw plugs with thr...

Страница 4: ...experience and 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 instructio...

Страница 5: ...s Risk of slipping Discharging pumped liquid and oils on the foundation or tread surfaces can cause falls with serious physical injury or death Flammable substances Discharging pumped liquid and oils...

Страница 6: ...ecifications on the rat ing plate please contact the manufacturer o The pump station is designed specially for the operating pressure named by the customer If the ac tual operating pressure deviates n...

Страница 7: ...operating temperatures exceeding 60 C o Collect any discharging pumped liquid safely and dispose of it in an environmentally compatible manner in accordance with the applicable local regulations Neut...

Страница 8: ...Unit Size 150 240 320 400 500 750 1000 1300 Max operating pressure bar 6 0 Max inlet pressure o Mechanical seal bar 5 0 o Radial shaft seal bar 0 5 Max temperature of pumped liquid C 80 Viscosity min...

Страница 9: ...AL screw pumps of the series FE or NE are suitable for pumping light oil Screw pumps are rotating pumps Their displacement effect results from three rotating screws 9 and 11 and the enclosing cartridg...

Страница 10: ...lies under the opening pressure of the overflow valve Notice The opening pressure of the overflow valve is set to 110 of the differential pressure in the factory The overflow valve is accessible throu...

Страница 11: ...ment 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 through falling and toppling...

Страница 12: ...ls Protect the pump station against damage heat sunlight dust moisture and magnetic fields Protect against corrosion during longer standstill Observe measures for storing and preservation 1 Store cool...

Страница 13: ...dditive 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 month...

Страница 14: ...sufficiently large 8 3 Mounting the pump station The pump station is operated in a vertical installation position Notice Soiling in the pipe system impairs the service life of the pump station If the...

Страница 15: ...hoisting equipment o Collection tank DANGER Risk of death resulting from electric shock Ensure that the electrical power supply is de energized and is secured against being switched back on Observe th...

Страница 16: ...Ensure that impurities cannot get into the pump station and pipe system o Ensure that mechanical connections are mounted free of stress o Observe the tightening torques o Have all the work on the elec...

Страница 17: ...if temperature related material expansion is possible 5 Check the linear height and angular offset and correct if necessary If the screws tighten easily this is a sure sign that the installation is st...

Страница 18: ...ing in the pipe system impairs the service life of the pump station If the pipe system is flushed us ing the pump station during the initial commissioning an additional commissioning filter has to be...

Страница 19: ...n impeller of the motor in the process 4 Tighten the screw plug and screwing of the pressure gauge again with torque Ap pendix Page 42 10 2 3 Checking the direction of rotation The direction of rotati...

Страница 20: ...correctly Pipe system is free of impurities Pump station filled Shut off devices in the suction line and pressure line opened All connections connected sealingly 1 Switch on the pump station The pump...

Страница 21: ...ntly 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...

Страница 22: ...als mechanically and therefore has a low amount of leakage 10 3 3 Adjusting the overflow valve Personnel qualification o Fitter Aids o Hexagon key Notice The opening pressure of the overflow valve is...

Страница 23: ...ces 10 4 Decommissioning 10 4 1 Taking the pump station out of operation Personnel qualification o Fitter o Electrician Personal protective equipment o Work clothing o Protective gloves o Safety boots...

Страница 24: ...temperature Avoid rapid temperature changes o Pumped liquids can be hot poisonous combustible and caustic Use corresponding protective equipment o Collect any discharging pumped liquid safely and dis...

Страница 25: ...ly large o Observe the tightening torques Appendix Page 42 o Observe the operating instructions and data sheets of the components 12 2 Wear 12 2 1 Signs of wear The following table lists signs of prog...

Страница 26: ...he motor 2 via stud screws 5 from the pump bracket 6 3 Remove the coupling intermediate ring 4 and pull off the motor side coupling half 3 using an ex tractor 8 6 9 11 10 4 Remove the hexagon nuts 8 b...

Страница 27: ...value X E 8 Place the motor over stud screws 5 on the pump bracket 9 Tighten the hexagon nuts 1 between the motor and pump bracket with torque 12 4 Replacing the pump DL2 to 240 Personnel qualificatio...

Страница 28: ...collect the pumped liquid in a collection tank 4 Remove the socket screw 6 5 Lift the cartridge pump 3 and motor 1 exactly vertically from the housing 6 Remove the socket screws 4 between the motor a...

Страница 29: ...pres sure in the housing Requirement Pump unit disconnected from the electrical power supply deenergized and secured against being switched back on Coupling removed 2 3 5 1 4 1 Switch over the lever o...

Страница 30: ...boots Aids o Silicone grease 5 4 3 2 1 6 1 Clean the fitting surfaces grease the O ring of the stationary seal ring 4 2 Press the stationary seal ring with O ring into the pump flange 3 Take the posit...

Страница 31: ...onnel qualification o Fitter Personal protective equipment o Work clothing o Protective gloves o Safety boots Aids o Molybdenum disulphide paste for example Fenkart T4 1 2 3 4 5 6 1 Clean the contact...

Страница 32: ...Molybdenum disulphide paste for example Fenkart T4 8 7 5 3 2 1 4 6 1 Clean the contact surface of the radial shaft seal ring 4 and 6 in the pump flange 7 carefully 2 Carefully press the radial shaft s...

Страница 33: ...k 1 Remove hexagon nuts and socket screws and remove the pump station from the oil pan 17 2 Remove the flat gasket 16 3 Remove the socket screws 1 and O ring 3 and remove the housing 4 from the contro...

Страница 34: ...station Personnel qualification o Fitter Personal protective equipment o Work clothing o Face protection o Protective gloves o Safety boots Aids o Solvents or industrial cleaners suitable for the pum...

Страница 35: ...or Heat up the pumped liquid or Install a filter strainer with a larger mesh width Ensure that the permissible mesh width is not exceeded 1 3 Level in the intake container too low Fill the intake cont...

Страница 36: ...s or Contact the manufacturer 3 4 7 Ball bearing damaged Replace the ball bearing see corresponding operating instructions of the pump 2 3 4 7 Superficial damage to pump parts coming into contact with...

Страница 37: ...e respectively associated technical documentation Accessories function Leak oil monitoring o Monitoring of the leak oil quantity in the oil pan o To be used with an elevated oil pan Betrie b aus ein P...

Страница 38: ...te 222 1 730 3 222 2 735 1 739 1 739 2 739 3 908 2 908 2 735 1 222 1 730 3 908 2 908 1 055 1 Qty Item No Part 1 055 1 Copper seal 2 222 1 Flat gasket 1 222 2 Flat gasket 2 730 3 Flat gasket 8 735 1 Co...

Страница 39: ...2 745 Radial shaft seal ring Tab 15 Maintenance kit sealing kit pump DL2 to 240 16 2 3 Maintenance kit sealing kit mechanical seal DL2 as of 320 DS1 Notice The maintenance kit contains only the number...

Страница 40: ...al 1 739 2 O ring 1 739 3 O ring 2 745 Radial shaft seal ring Tab 17 Maintenance kit sealing kit radial shaft seal DL2 as of 320 DS1 16 3 Repair kits 16 3 1 Repair kit overflow valve Notice The repair...

Страница 41: ...it contains only the numbered parts and is only supplied complete 501 730 3 060 222 1 501 730 3 060 222 1 Qty Item No Part 2 060 Washer 2 222 1 Flat gasket 2 501 Pressure spring 2 730 3 Flat gasket Ta...

Страница 42: ...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 10 23 0 47 0 68 0 36 8 32 0 43 0 36 M 12 39 0 84 0 117 64 0 56 0 75 0 60 M 14 62 0 133 186 101 90 M 16 96 0 204 285 155...

Страница 43: ...ulfils all the relevant provisions of the following directives Number Name Remark 2006 42 EC Machinery Directive 2014 68 EU Pressure Equipment Directive 2014 30 EU Directive on Electromagnetic Compati...

Страница 44: ...KRAL GmbH 6890 Lustenau Austria Tel 43 5577 86644 0 E Mail kral kral at www kral at...

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