KSB Deep Lift System, Installation & Operating Manual

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4 Description
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Deep Lift System
2553.89/04-EN
4.7 Operating limits
Observe the following parameters and values during operation:
Parameter Value
Limits of use
▪
Submersible pumps made by KSB
▪ Permissible load-carrying capacity
(
ð Section 4.2, Page 12)
( ð Section 8.2.1, Page 27)
Space limits ▪ Maximum bail dimensions of the submersible
pump (
ð Section 8.2.1, Page 27)
▪ Specific design and dimensions for
submersible pumps made by KSB
▪ Maximum dimensions of the pump sump
Time limits ▪ Maximum 20,000 load cycles and/or 20 years
from commissioning of the component
2)
▪ Scheduled checks/inspection of the lifting
accessory, especially the load-carrying
components (hook, spring, etc.)
Applications
▪
Pump installations
▪ Industrial plants
▪ Chemical plants
▪ Waste water treatment plants
Fluids handled ▪ Fluids for which the submersible pumps have
been approved
▪ Fluids which are neither chemically nor
mechanically aggressive to the pump and
component materials
Temperature range ▪ -20 °C to +80 °C ▪ -4 °F to +176 °F
4.8 Tightening torques
Table 6: Tightening torques
Thread Quality [Nm] [ft lbs]
M8 8.8 35 18
M10 8.8 63 32
4.9 Materials
Table 7: Overview of materials used
Component Material
Support frame Unalloyed quality steel (S355J2) [1.0570]
Load-carrying rod of the Support frame Stainless austenitic-ferritic chrome nickel molybdenum steel (X2CrNiMo
22-5-3) [1.4462]
Hook High-strength fine grain structural steel (S550Q) [1.8904]
Pin Stainless austenitic-ferritic chrome nickel molybdenum steel (X2CrNiMo
22-5-3) [1.4462]
2) A minimum of 2 load cycles is required each time the pump is lowered or pulled up.