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Datasheet summary

DOMO, DIWA

PDF datasheet mirror for DOMO, DIWA (Lowara Pumps). Verify with OEM before design.

Summary

This summary covers the Lowara DOMO, DIWA, DOMO GRI, and DOC series of drainage and sewage electric pumps, operating at 50 Hz, based on document Cod. 191004441 Rev.B Ed.08/2012.

DOC Series

Product identification

  • Type: Submersible Electric Pumps for drainage of clean and dirty water.
  • Construction: Versatile, corrosion-resistant, and compact.
  • Power Range: Three basic versions available with 0.25 to 0.55 kW power.
  • Impeller Options: A DOC 7VX version with Vortex impeller is available.
  • Versions:
    • Single-phase: 220-240V, 50Hz, 2 poles. Features pre-assembled float switch for automatic operation, built-in capacitor, and thermal overload protection.
    • Three-phase: 220-240V, 50Hz, 2 poles; 380-415V, 50Hz, 2 poles.
  • Optional Versions (on request): SG (single-phase without float switch), GT (single-phase with pre-assembled tube float switch), 60 Hz versions, various power cord lengths and plugs.
  • Accessories (on request):
    • "Shallow-suction device" for DOC3 and DOC7 models, ensuring drainage down to 3 mm from the floor.
    • SOS Kit for emergency dewatering, including a single-phase DOC3 pump with float switch, 10 m power cord with plug, quick coupling, 6 m flexible hose, and a plastic storage/strainer box.
  • Materials:
    • Pump body, Suction strainer, External case, Internal motor casing, Head, Lower cover, Tie-rod and screws, Double wear ring, Impeller fixing ring: Stainless steel (EN 10088-1-X5CrNi18-10 / AISI 304).
    • Shaft: Stainless steel (EN 10088-1-X12CrS13 / AISI 416).
    • Impeller DOC3: PA 66 + 30 % GF.
    • Impeller DOC7 - DOC7VX: PPO resin + 20 % GF.
    • Elastomers: NBR.

Operating limits

  • Maximum liquid temperature: 40°C.
  • Maximum immersion depth: 5 m.
  • Motor: Dry motor cooled by the pumped liquid.
  • Insulation class: 130°C (B).
  • IPX8 protection.

Feed water

  • DOC3 and DOC7 pumps: Pass suspended solids up to 10 mm in diameter.
  • DOC7VX pump: Handles liquids with suspended solids up to 20 mm in diameter.

Product water

  • DOC3 pump: Flow rate up to 135 l/min, head up to 7 m.
  • DOC7 pump: Flow rate up to 225 l/min, head up to 11 m.
  • DOC7VX pump: Flow rate up to 175 l/min, head up to 7 m.
  • Hydraulic Performance: See the official PDF for exact tabulated values of flow rate (Q) vs. total head (H).

Electrical

  • Power Cord: Single-phase versions with plug; three-phase versions without plug.
  • Electrical Data: See the official PDF for exact tabulated values of absorbed power, current, and capacitor for single-phase (220-240V) and three-phase (220-240V, 380-415V) models.
    • DOC3: Rated power 0.25 kW (0.33 HP).
    • DOC7(T): Rated power 0.55 kW (0.75 HP).
    • DOC7VX(T): Rated power 0.55 kW (0.75 HP).

Mechanical / hydraulic

  • Dimensions and Weights: See the official PDF for exact tabulated values.
    • DOC3 / DOC3 GT: H=245 mm, F=188 mm, D=155 mm, X* (minimum liquid level)=20 mm, 4 kg.
    • DOC7(T) / DOC7(T) GT: H=285 mm, F=228 mm, D=155 mm, X*=20 mm, 6 kg.
    • DOC7VX(T): H=310 mm, F=252 mm, D=175 mm, X*=45 mm, 6 kg.

DIWA Series

Product identification

  • Type: Submersible Electric Pumps for drainage of clean and slightly dirty water.
  • Construction: Manufactured in AISI 304 stainless steel.
  • Power Range: Four basic models with 0.55 to 1.5 kW.
  • Seal System: DRIVELUB SEAL SYSTEM, featuring a watertight electric motor protected by a multiple seal system with oil chamber, a V-ring, a silicon carbide mechanical seal, and a lip seal continuously lubricated by the DRIVELUB system.
  • Impeller: Open impeller. Diffuser plate coated with polyurethane for maximum abrasion resistance.
  • Versions:
    • Single-phase: 220-240V, 50Hz, 2 poles. Motor power 0.55 to 1.1 kW. Features pre-assembled float switch, built-in capacitor, and thermal overload protection.
    • Three-phase: 220-240V, 50Hz, 2 poles; 380-415V, 50Hz, 2 poles. Motor power 0.55 to 1.5 kW.
  • Optional Versions (on request): SG (single-phase without float switch), GT (single-phase with pre-assembled tube float switch), 60 Hz versions, various power cord lengths and plugs.
  • Materials:
    • Pump body, Impeller, Suction flange, Sleeve, Motor casing, Cover, Upper cover, Shaft end, Strainer, Screws: Stainless steel (EN 10088-1-X5CrNi18-10 / AISI 304).
    • Diffuser: Thermoplastic polyurethane TPU.
    • Key: Stainless steel (EN 10088-1-X5CrNiMo17-12-2 / AISI 316).
    • Mechanical seal (standard): Silicon carbide / Silicon carbide / NBR.
    • Elastomers (standard): NBR.
    • Other mechanical seal types (0 to +50°C): Q1Q1PGG (Silicon carbide / Silicon carbide / NBR / AISI 316) and Q1Q1VGG (Silicon carbide / Silicon carbide / FPM / AISI 316).

Operating limits

  • Maximum liquid temperature: 50°C.
  • Minimum level of pumped liquid: 25 mm.
  • Maximum immersion depth: 7 m.
  • Motor: Dry motor cooled by the pumped liquid.
  • Insulation class: 155°C (F).
  • IPX8 protection.

Feed water

  • Maximum dimensions of suspended solids: 8 mm.

Product water

  • Head up to 20 metres.
  • Delivery up to 420 l/min (25.2 m³/h).
  • Hydraulic Performance: See the official PDF for exact tabulated values of flow rate (Q) vs. total head (H).

Electrical

  • Power Cord: H07RN-F, 10 m. Single-phase versions with plug; three-phase versions without plug.
  • Electrical Data: See the official PDF for exact tabulated values of absorbed power, current, and capacitor for single-phase (220-240V) and three-phase (220-240V, 380-415V) models.
    • DIWA 05(T): Rated power 0.55 kW (0.75 HP).
    • DIWA 07(T): Rated power 0.75 kW (1 HP).
    • DIWA 11(T): Rated power 1.1 kW (1.5 HP).
    • DIWA 15T: Rated power 1.5 kW (2 HP).

Mechanical / hydraulic

  • Dimensions and Weights: See the official PDF for exact tabulated values.
    • DIWA05 / DIWA05 GT: Single-phase 12 kg, Three-phase 11 kg.
    • DIWA07 / DIWA07 GT: Single-phase 14.3 kg, Three-phase 13 kg.
    • DIWA11 / DIWA11 GT: Single-phase 17 kg, Three-phase 15 kg.
    • DIWA15T: Three-phase 16.5 kg.

DOMO Series

Product identification

  • Type: Submersible Electric Pumps for drainage of dirty water.
  • Impeller Options: Available with twin-channel or vortex impeller (DOMO VX).
  • Power Range: Four basic models with 0.55 to 1.5 kW.
  • Seal System: DRIVELUB SEAL SYSTEM, featuring a watertight electric motor protected by a multiple seal system with oil chamber, a V-ring, a silicon carbide mechanical seal, and a lip seal continuously lubricated by the DRIVELUB system.
  • Versions:
    • Single-phase: 220-240V, 50Hz, 2 poles. Motor power 0.55 to 1.1 kW. Features pre-assembled float switch, built-in capacitor, and thermal overload protection.
    • Three-phase: 220-240V, 50Hz, 2 poles; 380-415V, 50Hz, 2 poles. Motor power 0.55 to 1.5 kW.
  • Model Specifics:
    • DOMO 7 and DOMO 7VX models: Rp 1½" threaded delivery port (female gas), fiberglass-reinforced technopolymer impeller (DOMO S7 and DOMO S7VX models with stainless steel impeller are also available).
    • DOMO 10-15-20 and DOMO 10-15-20 VX models: Rp 2" threaded delivery port (female gas, can be turned into a flanged version with an optional accessory), stainless steel twin-channel or vortex impeller.
  • Materials:
    • Pump body, Suction flange, Fixing ring, Motor casing, Support foot, Upper cover, Shaft end, Key, Screws: Stainless steel (EN 10088-1-X5CrNi18-10 / AISI 304).
    • Impeller (DOMO S7/S7VX): Stainless steel (EN 10088-1-X5CrNi18-10 / AISI 304).
    • Impeller (DOMO 7/7VX): PA 66 + 30 % GF.
    • Handle: PA 66 + 30 % GF.
    • Key: Stainless steel (EN 10088-1-X5CrNiMo17-12-2 / AISI 316).
    • Mechanical seal (standard): Silicon carbide / Silicon carbide / NBR.
    • Elastomers (standard): NBR.
    • Other mechanical seal types (0 to +35°C): Q1Q1PGG (Silicon carbide / Silicon carbide / NBR / AISI 316) and Q1Q1VGG (Silicon carbide / Silicon carbide / FPM / AISI 316).

Operating limits

  • Maximum liquid temperature: 35°C with fully submerged pump.
  • Maximum immersion depth: 5 m.
  • Motor: Dry motor.
  • Insulation class: 155°C (F).
  • IPX8 protection.

Feed water

  • DOMO 7 and DOMO 7VX models: Handle liquids with suspended solids up to 35 mm in diameter.
  • DOMO 10-15-20 and DOMO 10-15-20 VX models: Handle liquids with suspended solids up to 50 mm in diameter.
  • VX models handle suspended filaments.

Product water

  • Hydraulic Performance: See the official PDF for exact tabulated values of flow rate (Q) vs. total head (H) for both standard and VX impeller types.

Electrical

  • Power Cord: H07RN-F. Single-phase versions with plug; three-phase versions without plug.
  • Electrical Data: See the official PDF for exact tabulated values of absorbed power, current, and capacitor for single-phase (220-240V) and three-phase (220-240V, 380-415V) models.
    • DOMO 7(T) - S7(T): Rated power 0.55 kW (0.75 HP).
    • DOMO 10(T): Rated power 0.75 kW (1 HP).
    • DOMO 15(T): Rated power 1.1 kW (1.5 HP).
    • DOMO 20T: Rated power 1.5 kW (2 HP).
    • DOMO 7VX(T) - S7VX(T): Rated power 0.55 kW (0.75 HP).
    • DOMO 10VX(T): Rated power 0.75 kW (1 HP).
    • DOMO 15VX(T): Rated power 1.1 kW (1.5 HP).
    • DOMO 20VXT: Rated power 1.5 kW (2 HP).

Mechanical / hydraulic

  • Delivery Port: Rp 1½" (DOMO 7/7VX models), Rp 2" (DOMO 10-15-20/10-15-20 VX models).
  • Dimensions and Weights: See the official PDF for exact tabulated values.

DOMO GRI Series

Product identification

  • Type: Submersible Electric Pumps for drainage of dirty water, equipped with a highly efficient and reliable grinder system.
  • Grinder System: Macerates solids present in sewage to pass through small discharge pipes (25 mm diameter).
  • Power Range: Available in 1.1 kW power.
  • Seal System: DRIVELUB SEAL SYSTEM, featuring a watertight electric motor protected by a multiple seal system with oil chamber, a V-ring, a silicon carbide mechanical seal, and a lip seal continuously lubricated by the DRIVELUB system.
  • Versions:
    • Single-phase: 220-240V, 50Hz, 2 poles. Motor power 1.1 kW. Features pre-assembled float switch, built-in capacitor, and thermal overload protection.
    • Three-phase: 220-240V, 50Hz, 2 poles; 380-415V, 50Hz, 2 poles. Motor power 1.1 kW.
  • Pump Features: Rp 1" threaded delivery port (female gas), technopolymer PBT Impeller, high resistance stainless steel grinder.
  • Materials:
    • Pump body, Suction cover: Cast iron (EN 1561-GJL-250 / ASTM Class 35).
    • Impeller: PBT.
    • Fixing ring, Motor casing, Upper cover, Shaft end, Screws: Stainless steel (EN 10088-1-X5CrNi18-10 / AISI 304).
    • Cutter wheel, Cutter ring: Stainless steel (X95CrMoV17 / DIN 1.4535).
    • Impeller fixing screw + wheel: Stainless steel (EN 10088-1-X17CrNi16-2 / AISI 431).
    • Handle: PA 66 + 30 % GF.
    • Mechanical seal (standard): Silicon carbide / Silicon carbide / NBR.
    • Elastomers (standard): NBR.
    • Other mechanical seal types (0 to +35°C): Q1Q1PGG (Silicon carbide / Silicon carbide / NBR / AISI 316) and Q1Q1VGG (Silicon carbide / Silicon carbide / FPM / AISI 316).

Operating limits

  • Maximum liquid temperature: 35°C with fully submerged pump.
  • Maximum immersion depth: 5 m.
  • Motor: Dry motor.
  • Insulation class: 155°C (F).
  • IPX8 protection.

Feed water

  • Designed for pumping sewage with suspended solids.

Product water

  • Grinder system enables passage through small discharge pipes (25 mm diameter).
  • Hydraulic Performance: See the official PDF for exact tabulated values of flow rate (Q) vs. total head (H).

Electrical

  • Power Cord: H07RN-F. Single-phase versions with plug; three-phase versions without plug.
  • Electrical Data: See the official PDF for exact tabulated values of absorbed power, current, and capacitor for single-phase (220-240V) and three-phase (220-240V, 380-415V) models.
    • DOMO GRI 11 (SG): Rated power 1.1 kW (1.5 HP).
    • DOMO GRI 11 T: Rated power 1.1 kW (1.5 HP).

Mechanical / hydraulic

  • Delivery Port: Rp 1" threaded (female gas).
  • Dimensions and Weights: See the official PDF for exact tabulated values.
    • DOMO GRI 11 (SG): 19 kg (18.8 kg).
    • DOMO GRI 11 T: 18.3 kg.

DN Series

Product identification

  • Type: Drainage pumps.
  • Performance: Up to 22 metres head and up to 280 l/min (16.8 m³/h) delivery.
  • Power Range: Three pumps with up to 0.75 kW rated power.
  • Impeller: Open impeller with abrasion-resistant rubber coating.
  • Motor: In a dielectric non-toxic oil bath for lubrication of ball bearings and efficient cooling.
  • Versions:
    • Single-phase: 220-240V, 50Hz, 2 poles. Features capacitor housed in a box on the power cord (+1.5 m power cord with plug) and thermal overload protection.
    • Three-phase: 220-240V, 50Hz, 2 poles; 380-415V, 50Hz, 2 poles.
  • Optional Versions (on request): CG (single-phase with pre-assembled float switch), 60 Hz versions, various power cord lengths and plugs.

Operating limits

  • Maximum liquid temperature: 50°C with fully submerged pump; 25°C with partially submerged pump.
  • Maximum immersion depth: 5 m.
  • Mechanical seal protected by sand labyrinth.
  • Insulation class: 155°C (F).
  • IPX8 protection.

Feed water

  • Maximum dimension of suspended solids: 5 mm.

Electrical

  • Power Cord: H07RN-F. Single-phase versions with plug; three-phase versions without plug.

DL Series

The provided text extract contains only the table of contents entries for the DL Series and no detailed specifications. Please refer to the official PDF for information on this series.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.