HQHaquanPump & Valve
125mm Submersible Sewage Pumps with GAK-125 Coupling — Submersible Sewage Pumps
Submersible Sewage Pumps

125mm Submersible Sewage Pumps with GAK-125 Coupling

Model: WQ/QW

125mm WQ/QW submersible sewage pumps at 130m³/h, GAK-125 coupling, for town-scale municipal sump stations and new-development lift stations.

Specifications
Flow Rate130m³/h
Head15-20m
Power11-15kW
Inlet / Outlet DiameterDN125
MaterialCast Iron,SS304,SS316L

Product Overview

Both models here move the same 130 m³/h; the choice comes down to how much lift your site needs.

ModelFlow (m³/h)Head (m)Power (kW)
WQ-125-130-151301511
QW-125-130-201302015

At this size, auto-coupling installation isn’t really a discussion point — the civil-work savings against a dry pump-house are large enough that almost every project defaults to GAK-125 rails from the start. One detail that gets missed at order time: guide-rail length is priced against your actual pit depth, not a standard catalogue length, so confirm that dimension before placing the order. For the 15kW QW variant specifically, on emerging-market tender sites, a quick check on local supply-voltage stability makes sense too, since the running current is substantial enough to expose weak grid connections.

Typical Applications

  • large-flow low-head municipal sump-pit station
  • new-town sewage-lift chamber
  • large collection-tank waste-water discharge
  • residential-town sewage-lift chamber

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