​How to read the Sewage Pump Model

There are quite a few types of sewage pumps. Some of the more common models include ZW, WQ, JYWQ, FYW, FY, YW, NL, GW, and others. Different pump models use different letter codes to convey specific meanings.

For example, take the sewage pump model 100QW(WQ)100-35-18.5:

100 represents the pump’s discharge outlet diameter in mm.

QW stands for a portable submersible sewage pump, while (WQ) indicates a fixed submersible sewage pump.

The second 100 indicates the pump’s flow rate in m³/h.

35 represents the pump’s head in meters.

18.5 indicates the rated motor power in kW.

Meaning of ZW Self-Priming Non-Clog Sewage Pump Models

(1) 50ZW15-30-PB

50 – Pump inlet diameter (mm)

ZW – Self-priming non-clog sewage pump

15 – Rated flow (m³/h)

30 – Rated head (m)

P – Stainless steel material

B – Explosion-proof motor

(2) 40WQ15-30-2.2

40 – Pump port diameter (mm)

WQ – Submersible sewage pump

15 – Flow rate (m³/h)

30 – Head (m)

2.2 – Rated motor power (kW)

Meaning of JYWQ Automatic Agitator Submersible Sewage Pump Models

(3) JYWQ80-50-10-1600-3

JYWQ – Automatic agitator submersible sewage pump

80 – Discharge outlet diameter (mm)

50 – Flow rate (m³/h)

10 – Head (m)

1600 – Agitation range (mm)

3 – Motor power (kW)

Other Common Sewage Pump Models and Their Meanings

(4) 25FYW-15P

25 – Pump outlet diameter (mm)

FYW – Submerged sewage pump code

15 – Head (m)

P – Stainless steel material

(5) 50FY-25A

50 – Pump suction inlet diameter (mm)

FY – Chemical submerged sewage pump

25 – Head (m)

A – Impeller has been trimmed once

(6) 100YWP110-10-5.5

100 – Pump discharge outlet diameter (mm)

YW – Vertical submerged sewage pump

P – Stainless steel material

110 – Flow rate (m³/h)

10 – Head (m)

5.5 – Rated motor power (kW)

(7) NL150A-12

N – Slurry

L – Vertical type

150 – Outlet diameter (mm)

A – Improved version / mechanical seal

12 – Head (m)

(8) 50GWP20-15-1.5

50 – Nominal discharge outlet diameter (mm)

GW – Non-clog pipeline-type sewage pump

P – Stainless steel material

20 – Flow rate (m³/h)

15 – Head (m)

1.5 – Rated motor power (kW)