Submersible pumps DML – DMLF BATCH

SUBMERSIBLE SEWAGE PUMPS (SINGLE-CHANNEL)
in cast iron

APPLICATIONS
• Evacuation of civil and industrial waste waters
• Treating liquid manure
• Draining sub-layer zones
• Generally moving foul waste liquids also containing solid substances and/or suspended filamentary substances
• Emptying seepage water
• Moving sewage (sanitary services)
• Emptying cesspits

TECHNICAL DETAILS
• Equipped with single-channel impeller
• Shaft seal upper and lower part (DML)
• Turbolence less system in oil chamber (DML)PUMP TECHNICAL DATA
• Maximum temperature of the liquid: 40°C
• Max solids size for passage: 76 mm (DML)
30 mm (DMLF 1,1 kW)
40 mm (DMLF except DMLF 1,1kW)
• Max fibers length: 500mm
• Flanges: DN80,DN100, DN150 (DML)
DN50, DN55, DN65 (DMLF)

MOTOR TECHNICAL DATA
• Air filled dry submersible 4 poles motor (DML)
• Air filled dry submersible 2 poles motor (DMLF)
• Insulation class F (DML)
• Insulation class H (DMLF)
• Protection degree IP68
• 380-415-1380-415V -10 +6%380-415V -10 +6%380-415V -10+6%, 50Hz (DML 2,2 kW) – threephase voltage
380-415±10%, 50Hz (DML 3,7÷22 kW) – threephase voltage
230±10%, 50Hz (DMLF) singlephase voltage
• Power up to 22kW(DML)
from 1,1 to 1,8 kW (DMLF)

MATERIALS
• Pump casing, single-channel impeller, elbow in cast iron
• Shaft in AISI 403 (DML) and AISI 420B (DMLF)
• Mechanical seal: SiC/SiC/NBR (pump side) (DML and DMLF)
Carbon/Ceramic/NBR (motor side) (DML)