About Pump dml-dmlf

Cast iron submersible pump with single-channel impeller that allows a free passage up to 76 mm, usable in fixed and mobile installations. Suitable for pumping wastewater with suspended solids

Features

  • Possibility to use in fixed and mobile installations
  • Single channel impeller

description Pump dml-dmlf

Cast iron submersible pump with single-channel impeller that allows a free passage up to 76 mm, usable in fixed and mobile installations.
The DML – DMLF electric pumps stand out for their sturdiness and resistance, ideal for large applications and heavy-duty use.
For further technical information see the Databook

• Evacuation of civil and industrial wastewater
• Slurry treatment
• Drainage of underwater areas
• General Handling of liquids, including those with solid and/or filamentary substances in suspension
• Emptying of seepage water
• Handling of dirty wastewater (sanitary services) and emptying of cesspits

Overview of technical data dml-dmlf

Flow rateUp to 330 m³/h (DML)
Up to 45 m³/h (DMLF)
Total headUp to 38.5 m (DML)
Up to 16.5 m (DMLF)
Max. temperature of the liquid+40°C
Poles2, 4
Max. solids passage76 mm (DML)
30 mm (DMLF 1.4 kW)
40 mm (DMLF)
Insulation classF (DML)
H (DMLF)
Protection degreeIP68
VoltageThree-phase 3~380-415V -10+6% (DML 2.2 kW) – DOL
Three-phase 3~380-415V ±10% (DML 3.7÷22 kW) – Y/Δ
Single-phase 1~230V ±10% (DMLF)
Max. immersion7 m with 10 m cable
Max. length of fibres500 mm

Material Pump dml-dmlf

Pump bodyCast iron
ImpellerCast iron
ShaftStainless steel 403 (EN 1.4006) (DML)
Stainless steel 420B (EN 1.4028) (DMLF)
Mechanical sealImpeller side:
Silicon Carbide/NBR (DML and DMLF)
Motor side:
Carbon / Ceramic / NBR (DML)

pump dml-dmlf

Submersible electric pumps with single-channel impeller (DML-DMLF)

Pump body, single-channel impeller, cast iron (bend) elbow.
The shaft is in AISI 403 for DML-DMLV

Mechanical seal:

– SiC/SiC/NBR (pump side) for DML and DMLF
– Carbon/Ceramic/NBR (motor side) for DML and DMLF
– SiC/SiC/NBR (pump side) for DMLV and DMLVF
– Carbon/Ceramic/NBR (motor side) for DMLV and DMLVF

Technical

  • Total head from 4 to 38.5 m for DML
    from 2.4 to 16.5 m for DMLF
    from 1,4 to 41.3 m for DMLV(F)
  • Capacity from 12 to 330 m3/h for DML
    from 7 to 45 m3/h for DMLF
    from 12 to 200 m3/h for DMLV(F)
  • Maximum liquid temperature 40°C
  • Maximum solid size passage:
    – 76 mm (DML)
    – 30 mm (DMLF up to 1,4 kW)
    – 40 mm (DMLF)
    – 80 ÷ 100 mm (DMLV)
    – 30 ÷ 80 mm (DMLVF)
  • Maximum length of fibrous bodies 400 mm for 80DMLV, 500 mm for 100DMLV and
    40 mm for DMLF