Ultraflow UMGN3700/50/3 Three Phase Sewage Grinder Pump

Ultraflow UMGN3700/50/3 Three Phase Sewage Grinder Pump


In stock


UMGN3700/50/3 three phase sewage pump
Pump performance :  4.0lps @ 25 meters
Max head 32 meters and maximum flow 330 lpm
3.7kW  415/3/50 FLC 7.7 amps DOL starting
50mm FI Outlet Size
Manufacturer’s Warranty:  2 years

SKU: UMGN3700503


Ultraflow Sewage Grinder range of submersible pumps are suitable for;

  • Raw sewage transfer and trade waste disposal
  • Grey water and septic transfers
  • Pumping liquids with soft solids
  • For applications with high static heads &/or long distances

Pump Performance:   3.5 lps @ 25 meters

Pump Impeller: Semi Open impeller
Pump Connection: 50mm FI BSP flanged elbow supplied
Grinder: Heat treated 440 Stainless steel
Material of Construction: Cast Iron casing and stainless steel shaft
Dual Mechanical seal: Upper Carbon/Ceramic Lower Silicon/Silicon
Motor:   3.7kW 415/3/50 IP68 2 pole FLC 7.7 amps Dry Motor
Motor Protection:  Overload cut out, auto reset
Motor cable:  H07RN-F cable 3C + E  1.5mm 3C + E 10 meters in length
Weight:  53kg


  • CE & ISO 9001 certified
  • All metal construction
  • Dual mechanical seal + lip seal in oil bath
  • Silicon carbide faces to lower seal
  • Double bearing at lower end of electrical motor
  • Can be installed with a guide rail system

Manufacturer’s warranty:  2 years  Made in Taiwan 

Additional information

Weight 53 kg
Dimensions 39.3 × 22.6 × 61.6 cm

UMGN3700-50-3 Data Sheet.pdf


Ultraflow Sewage Grinders Brochure


You've just added this product to the cart: