Grundfos 10014518 16S20-18 4-inch submersible well pump with 2 HP, 230V single-phase motor, 18 stages, and 1-1/4" NPT discharge. Stainless steel pump and motor construction. Rated flow 4 m³/h (17.6 GPM) at 112 m (367 ft) head. Motor type MS4000 with CSCR start, 3450 rpm, IP58 enclosure, and external thermal protection. Suitable for water supply and groundwater applications.

Applic motor

Grundfos

Approvals

CE,GOST2,CSA

Axial load max

680 kg

Built-in temp transmitter

No

Cos phi - power factor

0.86

Curve tolerance

2012 3B

Density

998.2 kg/m³

Enclosure class (IEC 34-5)

IP58

ErP status

EuP Standalone/Prod.

Impeller

Stainless steel

Insulation class (IEC 85)

F

Mains frequency

60 Hz

Maximum ambient pressure (bar)

60

Maximum liquid temperature (°C)

60

Model

A

Motor

Stainless steel

Motor diameter

4 in

Motor no

79454506

Motor type

MS4000

Motor type 1-phase

CSCR

Power (P2) required by pump

1.5 kW

Product name

16S20-18

Product no

10014518

Pump

Stainless steel

Pump no

10010018

Pump outlet

1 1/4 in NPT

Pump speed on which pump data are based

3450 rpm

Pumped liquid

Water

Rated current

13.2 A

Rated flow

4 m³/h

Rated head

112 m

Rated power - P2

1.5 kW

Rated speed

3450 rpm

Rated voltage

1 x 230 V

Sales region

Namreg

Selected liquid temperature (°C)

20

Service factor

1.25

Shaft seal for motor

HM/CER

Specification for shaft end

SPLINE

Stages

18

Start method

direct-on-line

Starting current

420 %

Thermal protec

external

Valve

YES