Yoking YOKING
Products › WQ
WQ Submersible sewage, oil-cooled motor

WQ Submersible Sewage Pumps

Cable-hung submersible pumps for municipal, industrial and agricultural wastewater.

Power
0.75 – 55+ kW (1 – 75+ HP)
Flow
up to 1500 m³/h
Head
up to 50 m

Overview

The WQ family provides submersible wastewater pumping with oil-cooled motors rated IP 68. Twin-channel non-clog impellers (WQD) pass solids up to 75 mm depending on the DN, and a full-range of discharge sizes from DN50 (residential basement) to DN500 (municipal main-line lifting) is catalogued.

Variants: WQ(D) with twin-channel impeller, JYWQ with agitator / shredder action for fibre-heavy streams.

Typical Applications

  • Municipal wastewater (lift stations)
  • Industrial effluent (textile, food, chemical)
  • Agricultural slurry
  • Construction-site dewatering
  • Mining and quarry drainage
  • Emergency flood discharge
  • Basement sewage lifting

Operating Window

ItemRating
MediumWastewater, slurry
Liquid temp.≤ 40 °C
pH5 – 9
Density≤ 1.24 g/cm³
Submersion depth≤ 5 m standard
IP / ClassIP 68 / F
DutyS1 continuous submerged

Range Matrix

DNkWFlow (m³/h)Head (m)Typical duty
DN500.75 – 2.210 – 305 – 20Residential / small commercial
DN651.5 – 420 – 508 – 25Small lift stations
DN802.2 – 7.540 – 11010 – 30Factory effluent
DN1004 – 1580 – 20012 – 35Small municipal
DN1507.5 – 30150 – 45015 – 45Medium municipal
DN20015 – 45300 – 80018 – 50Large municipal
DN250+22 – 55+600 – 1500+15 – 45Flood control, industrial

Options

  • Auto-coupling guide rail for fixed lift-station installations
  • Float switch for auto on/off
  • Cutter or shredder variants (see WQK / DGWQ)
  • Fibre-heavy streams → WQK / DGWQ cutter
  • Clean water → YCm / YST

Specifications

Source: Yoking Samplebook: WQ PUMPS 2025.10

Working Conditions

__
≤ 1.24 g/cm³
Liquid temperature
≤ 40 °C
ph
5 – 9
____
尺寸视 DN 而定(见型号编码)
Insulation class
Class F / IP68
___
S1 连续(浸没)

Materials of Construction

__
防水橡胶,10 m(标配)
Impeller
HT200 双流道防堵塞
Shaft
2Cr13 不锈钢
Seal
双端面机械密封(碳化硅/碳化硅,带油室)
Motor
干式油冷,IP68

WQ

Power
0.75 – 55+ kW (1 – 75+ HP)
Flow Rate
up to 1500 m³/h
Head
up to 50 m