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Operation instructions

KRAL pump stations.

EKL/EKS 11/12/13

OIK 10en-GB
Edition 2021-06
Original instructions

www.kral.at

Summary of Contents for EKL 11

Page 1: ...Operation instructions KRAL pump stations EKL EKS 11 12 13 OIK 10en GB Edition 2021 06 Original instructions www kral at...

Page 2: ...otecting the pump station against pressure peaks 18 8 5 Removing the pump station 19 9 Connection 20 9 1 Dangers during connection work 20 9 2 Connecting the pump station to the pipe system 20 9 2 1 S...

Page 3: ...xperience 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 instruction...

Page 4: ...personal injury Safety instruction Request for action 1 2 3 Multi step instructions for actions Action result Cross reference 1 4 4 Symbols for personal protective equipment Additional dangers arise f...

Page 5: ...es both to notably higher as well as to not ably lower operating pressures Under no circumstances may the minimum pressure lie below 2 bar In case of any doubt please contact the manufacturer 2 2 Fore...

Page 6: ...ble manner in accordance with the applicable local regulations Neutralize residues o Keep the mounting surfaces scaffolding ladders lifting platforms and tools clean in order to pre vent slipping or s...

Page 7: ...eed 10 Nominal viscosity 11 Weight 4 Technical data 4 1 Operating limits Parameter Unit EKL 11 EKL 12 EKL 13 EKS 11 EKS 12 EKS 13 Max operating pressure o Pump unit bar 6 o Strainer deaerator bar 6 o...

Page 8: ...25 0 25 Delivery rate at 6 mm2 s o 50 Hz 1450 min 1 o 3 bar l h 210 336 462 o 6 bar l h 168 276 390 o 60 Hz 1750 min 1 o 3 bar l h 276 432 588 o 6 bar l h 234 372 522 Filter area cm2 320 Tab 5 Output...

Page 9: ...00 min 1 o 3 bar l h 894 1200 1794 2358 3750 4992 6840 o 6 bar l h 876 1176 1764 2322 3708 4938 6768 o 60 Hz 3400 min 1 o 3 bar l h 1056 1416 2112 2778 4410 5880 8052 o 6 bar l h 1038 1392 2088 2742 4...

Page 10: ...10 17 26 18 1 6 2 6 6 6 2 17 18 1 26 7 6 7 Fig 4 EKL EKS 12 4 6 8 2 0 10 bar 4 6 8 2 0 10 bar 10 17 26 18 1 6 3 6 6 6 3 17 18 1 26 7 6 7 12 12 Fig 5 EKL EKS 13 1 Pump unit 10 Base frame 2 Strainer 12...

Page 11: ...ainer and pump as well as the soiling of the strainer The pressure side pres sure gauge is used to monitor operation You can find detailed information in the associated pump op erating instructions 5...

Page 12: ...available from the manufacturer 5 6 Expansion valve optional 1 2 3 4 6 5 Fig 7 Structure of expansion valve 1 Screw plug 4 Valve body 2 Adjusting screw 5 Inflow from the station 3 Pressure spring 6 Ov...

Page 13: ...aced during commissioning by fine meshed commissioning strainers A further possibility is the use of an external commissioning filter The strainer inserts are made of metal and can be cleaned and reus...

Page 14: ...ner The heating element is inserted into the strainer chamber and fastened with a special cover The oil heated up in the strainer also enters the pump and thus ensures reliable starting Parameter Unit...

Page 15: ...rdance with the centre of gravity and the weight distribution Use at least two load ropes Do not stand under raised loads Fig 12 Fastening of hoisting equipment principle diagram Secure the hoisting e...

Page 16: ...ety boots Aids o Preservative acid free and resin free oil 1 Close the pipe connections of the station 2 Open the strainer cover Fill the preservative into the strainer chamber while slowly turning th...

Page 17: ...remove the residual preservative flush the pump station with the pumped liquid 8 Installation removal 8 1 Dangers during installation The following safety instructions must be observed strictly o Hav...

Page 18: ...TION 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 canno...

Page 19: ...ing A crane operator and transport personnel are required for transportation 2 persons DANGER Risk of death through emitted pumped liquid Pumped liquids can be hot poisonous combustible and caustic an...

Page 20: ...nning work on the pump station ensure that the electrical power supply is deenergized and is secured against being switched back on o If the insulation of the electrical cables or wires is damaged dis...

Page 21: ...near height and angular offset and correct if necessary If the screws tighten easily this is a sure sign that the installation is stress free 4 Tighten the connecting screws 9 2 3 Pipe screwed connect...

Page 22: ...the electrical components of the pump station in accordance with the corresponding op erating instructions 3 When connecting the pump station to the complete system continue equipotential bonding 10...

Page 23: ...is installed when the pipe system is flushed and cleaned using the pump ATTENTION Damage to equipment through additional pressure loss in the commissioning filter commis sioning strainer Calculate th...

Page 24: ...otective 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 lo...

Page 25: ...nected sealingly 1 Switch on the pump station The pump station delivers when the pressure on the pressure side of the pump station rises 2 If the pump station does not deliver after 10 15 seconds of o...

Page 26: ...rflow valve See the operating instructions of the pump for information on setting the overflow valve 10 3 3 Setting the pressure maintaining valve Personnel qualification o Trained personnel Aids o Al...

Page 27: ...entally compatible manner in accordance with the applicable local regulations Carry out the following measures during operation interruptions Scope of the operation interrup tion Measure o Pump statio...

Page 28: ...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 tan...

Page 29: ...t 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 tight...

Page 30: ...ce protection o Protective gloves Aids 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 switche...

Page 31: ...noise generation arise The suction side pressure gauge is used to indicate the degree of soiling Personnel qualification o Trained personnel Personal protective equipment o Work clothing o Face protec...

Page 32: ...Face protection o Protective gloves o Safety boots Aids o Solvents or industrial cleaners suitable for the pumped liquid o Collection tank WARNING Danger of poisoning and environmental damage through...

Page 33: ...Reduce the level difference or Reduce the line length or Increase the line cross section or Heat up the pumped liquid or Install a filter strainer with a larger mesh width Ensure that the permissible...

Page 34: ...hoses 3 Flow speed in the pressure line or suction line too high Set the flow speed in the pressure line so that it does not exceed 3 m s or Set the flow speed in the suction line so that it does not...

Page 35: ...the idle screws Contact the manufacturer 1 2 3 4 7 Pump damaged through dry running Contact the manufacturer 1 Pump does not vent Vent the pressure line at the highest point 1 2 3 Reversing valve lev...

Page 36: ...parts 15 1 Overview 729 1 729 1 405 407 1 606 2 407 2 606 1 225 180 526 729 2 Fig 19 EKL EKS 11 729 1 729 1 405 407 1 606 2 407 2 606 1 225 180 526 729 2 407 2 424 Fig 20 EKL EKS 12 36 OIK 10en GB Ed...

Page 37: ...729 2 407 2 424 Fig 21 EKL EKS 13 729 1 405 606 2 606 1 225 180 526 729 2 Fig 22 EKS 11 special design 405 1 405 2 405 3 405 4 408 1 408 3 408 4 408 3 408 2 408 5 Fig 23 Strainer left Deaerator with...

Page 38: ...uter thread have to be greased thorough before mounting in order to prevent threads from seizing Notice The manufacturer recommends tightening screws with wedge lock washers according to the table thr...

Page 39: ...red in inches 16 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 C...

Page 40: ...KRAL GmbH 6890 Lustenau Austria Tel 43 5577 86644 0 E Mail kral kral at www kral at...

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