Main applications sewabloc

  • Advanced treatment / 3.stage
  • Bio. treatment / 2.stage
  • Biogas
  • Mech. treatment / 1.stage
  • Sewage treatment plants
  • Waste water

Technical data

  • Q max 830.0 m³/h
  • H max 80.0 m

Design sewabloc

Close-coupled volute casing pump for horizontal or vertical installation, with free-flow (F), multi-channel (K) or diagonal single-vane impeller (D), discharge flange to DIN and ANSI standards. ATEX-compliant version available.

Application pump sewabloc

Waste water transport, waste water disposal, waste water management, transport of contaminated surface water, sludge treatment

Fluids handled pump sewabloc

▪ Grey water
▪ Solids-laden river water
▪ Contaminated surface water
▪ Waste water with faeces
▪ Industrial waste water
▪ Gas-containing liquids
▪ Activated sludge
▪ Digested sludge
▪ Raw sludge

Desing Details pump sewabloc



▪ Volute casing pump
▪ Close-coupled pump with shaft seal
▪ Various, application-oriented installation types

Impeller type

▪ Various application-oriented impeller types


▪ Grease-packed, zero-maintenance deep groove ball bearing (sealed for life) on pump

Impeller type

▪ F, E, and D impellers can only be supplied with the documented impeller diameters. Indicate the pump set designation and the impeller diameter in the purchase order.

Overview of technical data sewabloc

Q (50Hz)10.0 – 830.0 (m³/h)
H (50Hz)2.0 – 80.0 (m)
Type of bearingRolling element bearings
Casing partitionRadially split
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage
No. of impeller entriesSingle entry
Impeller material (EN standard)JL 1040, 1.4517, JN 3029
Type of installationClose-coupled
Type of couplingNone
Type of lubricationGrease lubrication
Max. permissible fluid temperature70.0 (°C)
Nozzle positionEnd suction
Maximum operating pressurePN16
Pull-out designYes
Pump set locationDry installed
Shaft material (EN standard)1.4462, 1.4021
Suction characteristicsNon-priming
Type of casingVolute casing
Type of impellerOpen, Multi-vane impeller, Free flow impeller, Closed, Radial
Type of connectionFlange
Casing material (EN standard)JL 1040
eClass assignment36410101, 36410103
Free passage120.0 (mm)
Installation positionHorizontal or vertical
Shaft seal typeMechanical seal
Main applicationsWaste water / sewage, Industry and process engineering
Casing materialCast iron
Maximum discharge-side pressure10.0 (bar)
Maximum drive rating37.0 (kW)
Type of installationStationary
Maximum speed of rotation1750.0 (1/min)