About Pump drd

Cast iron submersible pump with channel impeller (two-channel or three-channel). Suitable for pumping wastewater with suspended solids


  • Possibility to use in fixed and mobile installations
  • Multi-channel impeller

description Pump drd

Cast iron submersible pump with channel impeller (two-channel or three-channel). DRD electric pumps have good hydraulic efficiency and can be used in fixed and mobile installations.
For further technical information see the Databook

• Soiled liquids or wastewater in both civil and industrial sewage systems
• Handling of liquids with filamentary substances or solid particles
• Emptying of tanks

Overview of technical data drd

Flow rateUp to 1800 m³/h
Total headUp to 47 m
Max. temperature of the liquid+40°C
Poles2, 4, 6, 8
Max. solids passage30÷140 mm
Insulation classH
Protection degreeIP68
VoltageThree-phase 3~400/690V ±10%.
Max. immersion7 m with 10 m cable on request 17 m with 20 m cable

Material Pump drd

Pump bodyCast iron
ImpellerCast iron
ShaftStainless steel 420B (EN 1.4028)
Mechanical sealImpeller side:
Silicon Carbide/NBR
Motor side:

pump drd

Submersible electric pump for sewage with grinder type impeller (DRS) or multi-channel impeller (DRD)

Pump body, impeller, motor case, volute bottom and cast iron top cover. Grinding device in AISI 304
for DRS, with multi-channel cast iron impeller for DRD. Shaft in AISI 420B.

Mechanical seal:

– SiC/SiC/NBR (pump side)
– Carbon/Ceramic/NBR (motor side)


• Total head from 0.6 to 72 m for DRS
from 0.8 to 57 m for DRD
• Capacity from 4.5 to 60 m3/h for DRS
from 12 to 1800 m3/h for DRD
• Maximum liquid temperature 40°C
• Maximum passage of solids 6 ÷ 7 mm for DRS 40,
8 ÷ 10 mm for DRS 65, 30 ÷ 140 mm for DRD