DVV Vortex impeller

Summary

Product Identification

• Series: DVV, DRV, DRS, DRK
• Type: Submersible drainage and sewage pumps
• Impeller Types:
  • Channel impeller: Single or double, large free passage, non-clogging, hydraulically balanced, high efficiency, designed for transport of wastewater containing large solids.
  • Cutter/grinder impeller: Suitable for small diameter sewage pits and pressurized sewage lines, capable of cutting/grinding various solids.
  • Vortex impeller: Offers free passage and non-clogging operation, applicable for wastewater containing solids.

Operating Limits

• For DVV 32-DVV 18 series:
  • Max. medium temperature: 40 °C
  • Maximum head: 27 m Wk
  • Maximum capacity: 144 m³/h
  • Pressure range: PN6
• For DVV 20 H series:
  • Max. medium temperature: 40 °C
  • Maximum head: 38 m Wk
  • Maximum capacity: 96 m³/h
  • Pressure range: PN6
• For DRV 10 / DRS 4-12 / DRK 10-12-27 series:
  • Max. medium temperature: 40 °C
  • Maximum head: 51 m Wk
  • Maximum capacity: 184 m³/h
  • Pressure range: PN6

Feed Water / Product Water

The pump series are designed for multiple types of water transport, with main applications including:

• Water drainage
• Tunnel wastewater drainage
• Wastewater and sewage sump pit
• Light industrial, commercial, and residential applications
• Agriculture water supply and drainage
• Water supply for irrigation systems

Specific models may have additional or more focused applications, such as untreated residential sewage, industrial environments, light acid and corrosive liquid applications, municipal sewage networks, and sewage transport at industrial plants, airports, and hotels.

Electrical

• Power range: 0.37 kW up to 15 kW
• Voltage: 1x230V or 3x400V
• Frequency: 50Hz or 60Hz
• Number of poles: 2P (DRV-V4 in 4P)
• Insulation: IP68
• Safety:
  • Built-in thermal protection for single phase motors ≤ 1.5 kW (excluding DVV 18 and DRS 4 range)
  • Built-in thermal protection for three phase motors < 4.2 kW
• Cable length: 10m
• Connection: DOL ≤ 4kW, 5.5kW and bigger S/D
• Motor type: Dual Hz motor (for some models from 01-12-2015)

Mechanical / Hydraulic

• Construction: Robust pump construction with hardened shaft for long-lasting operation, double mechanical seal in oil chamber.
• Sealing: Double mechanical seal.
• Materials (General):
  • Pump casing: JL 1030
  • Impeller: JL 1030
  • Shaft: 1.4301
  • Motor housing: 1.4301
• Material Conversion (DIN standard Code / ASTM):
  • JL 1030: Cast Iron (GG20 / GJL-200, A48:25B)
  • JL 1040: Cast Iron (GG25 / GJS-250, A48:40B)
  • JS 1030: Ductile Iron (GGG40 / GJS-400, A536:60-40-18)
  • 1.4006: Chromium steel (X12Cr13, A276:410)
  • 1.4301: Chromium-nickel steel (X5CrNi 18-10, A276:304)
  • 1.4404: Chromium-nickel-molybdenum steel (X2CrNiMo 17-12-2, A276:316L)
• Specific Model Materials (Examples):
  • DVV 3 series: Casing, Housing, Impeller (vortex): 1.4301 / AISI 304. Shaft: 1.4006 / AISI 410. Seals: SiC/SiC + SiC/SiC. Elastomers: FKM.
  • DRV 10 - IN series: Casing, Housing, Impeller (non clogging): 1.4301 / AISI 304. Shaft: 1.4404 / AISI 316. Seals: CA/CE + CA/CE. Elastomers: FKM.
  • See the official PDF for detailed material specifications for all pump types.
• Connections: G 2, G 3, G 4, NW32, NW50, NW65, NPT.
• Passage: Varies by model, e.g., 7 mm to 65 mm.
• Installation:
  • Can be installed on various pedestal mounting constructions (e.g., GC-0257, SC-50, L3, L4, S2, X4, X6, S3).
  • Stainless steel quick couplings are available for some models.
  • Refer to the official PDF for specific pump type compatibility with pedestals and quick couplings.

Detailed Specifications by Model

The datasheet provides detailed specifications for various models within the DVV, DRV, DRS, and DRK series. Each model's specification includes power, current, optimal efficiency, voltage, connection type, maximum passage for solids, dimensions (LxWxH), weight, and part number for both 50Hz and 60Hz frequencies.

• DVV 3 series: Models include DVV 32/2W, DVV 34/2W, DVV 38/2W.
  • Example: DVV 32/2W (50Hz) has 0.22 kW power, 3 A current, 60% efficiency at Qopt, 1x230V voltage, G 2 connection, 7 mm passage, dimensions 185x185x350 mm, and 14 kg weight.
• DVV 18 series: Models include DVV 188/2W, DVV 1815/2, DVV 1822/2, DVV 1837/2, DVV 1875/2.
• DVV20 -H series: Models include DVV 2015/2W H, DVV 2015/2 H, DVV 2022/2 H, DVV 2037/2 H, DVV 2055/2 H, DVV 2075/2 H.
• DRV 10 series: Models include DRV 104/2W, DRV 108/2W, DRV 1015/2, DRV 1022/2, DRV 1037/2, DRV 1055/2.
• DRV 10 - IN series: Stainless steel versions of DRV 10 models.
• DRS 4 series: Models include DRS 415/2W, DRS 415/2, DRS 422/2, DRS 437/2, DRS 455/2, featuring cutter impeller + grinder plate.
• DRS 12 series: Models include DRS 128/2W, DRS 1215-2, DRS 1222/2, DRS 1237/2, featuring double edge cutter impellers.
• DRK 27 series: Models include DRK 2715/2, DRK 2722/2, DRK 2737/2, DRK 2755/2, DRK 2775/2, DRK 27110/2.

See the official PDF for exact tabulated values for all models, including detailed materials, applications, dimensions, and performance data.

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Disclaimer This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. For contractual data and complete specifications, always refer to the official OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror