

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 rate | Up to 330 m³/h (DML) Up to 45 m³/h (DMLF) |
Total head | Up to 38.5 m (DML) Up to 16.5 m (DMLF) |
Max. temperature of the liquid | +40°C |
Poles | 2, 4 |
Max. solids passage | 76 mm (DML) 30 mm (DMLF 1.4 kW) 40 mm (DMLF) |
Insulation class | F (DML) H (DMLF) |
Protection degree | IP68 |
Voltage | Three-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. immersion | 7 m with 10 m cable |
Max. length of fibres | 500 mm |
Material Pump dml-dmlf
Pump body | Cast iron |
Impeller | Cast iron |
Shaft | Stainless steel 403 (EN 1.4006) (DML) Stainless steel 420B (EN 1.4028) (DMLF) |
Mechanical seal | Impeller 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