Products & Services

Pumps, Mixers and Equipment for Water Systems

Five product categories covering sewage treatment, drainage, water supply and industrial circulation — plus attachments and spare parts for every series.

Category 01

Submersible Pumps

Axial-flow, mixed-flow, sewage, borehole and fountain submersible pumps for continuous duty.

8 series
QZ axial flow pump and QH mixed flow pump

QZ Axial-flow & QH Mixed-flow Pump

Large-capacity, broad-head pumps for city water supply, diversion works, sewage drainage systems and sewage disposal projects.

500 – 38,000 m³/h DN 350 – 1,600 mm Head 4 – 21 m ≤ 10 bar
  • Capacity 20% larger and efficiency 3–5% higher than conventional designs
  • Adjustable impellers; cast iron, ductile iron, copper or stainless steel
  • Compact pump station saves 30–40% of civil construction cost
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QGL submersible tubular axial flow pump

QGL Submersible Tubular Axial-flow Pump

Integrates a submersible motor with tubular axial-flow technology — built for large flow and low lift, rain-water discharge, and combined flood-control and irrigation works.

Large flow, low head No suction channel Integrated lifting
  • Unit efficiency more than double that of conventional axial-flow pumps at low head
  • Lower installed motor power and running cost under the same duty point
  • Abolishes the need for a superstructure — saves 30–40% of pump station works
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QWP internal circulation cooling submersible pump

QWP Internal Circulation Cooling Pump

Engineered with a "Triple-Chamber Isolation" cooling system and an internal closed-loop cooling circuit — efficient motor heat dissipation for both dry and wet installation in demanding environments.

15 – 355 kW 80 – 5,000 m³/h DN 100 – 600 mm Head 10 – 60 m
  • Closed-loop design — zero contamination risk, maintenance-free internal cooling
  • Flexible dry or wet mounting; protection IP 68, max immersion depth 20 m
  • Clog-free design for municipal plants, hospitals, buildings and industrial waste water with fibrous pollutants
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WQ series submersible sewage pump

WQ Series Submersible Sewage Pump

Designed for municipal works, industrial buildings, hotels, hospitals and mines — draining sewage, waste water, rainwater and living water containing solid grains and long fibres.

10 – 6,000 m³/h Head 6 – 62 m Max 16 bar ≤ 40 °C
  • Large flow-path hydraulic design passes fibres 3× the port size and solids ~30% of the aperture
  • Duplex tungsten-carbide mechanical seals, 8,000+ hours continuous operation
  • Oil-water probe, auto-coupling system, float switch and control cabinet options
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QGBS full-through-flow submersible pump

QGBS Full-through-flow Pump

The impeller is installed in the inner cavity of the motor rotor and forms an integral part with it — water flows straight through the rotor cavity. Ideal for flood control, water conservancy, agricultural irrigation and municipal water supply.

DN 350 – 1,400 mm Head 0 – 10 m 0.2 – 5 m³/s 7.5 – 500 kW
  • Wet-stator design: no sealing needed, water-immersion resistant, higher reliability
  • Compact & lightweight: ~50% shorter axial length, 40% metal saving, horizontal / vertical / inclined mounting
  • Straight-through flow with smooth passages — high efficiency, low noise, good underwater heat dissipation
  • Water temperature ≤ 50 °C, PH 4 – 10, particles ≤ 1/10 of nominal diameter
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QSP fountain pump

QSP Fountain Pump

Submersible fountain pump for musical fountains, landscape water features and garden projects — reliable operation with a variety of nozzle arrangements.

Stainless steel options Landscape & fountain duty Underwater continuous running
  • Designed for decorative fountains and water features
  • Suitable for continuous underwater operation
  • Detailed specifications available on request
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QJ deep well borehole pump

QJ Borehole Pump

Single-suction multi-stage vertical centrifugal pump with integrated submersible motor — lifts water from deep wells, pools and rivers, and supplies high-rise buildings.

5 – 350 m³/h Head 50 – 350 m 3 – 90 kW 380 / 415 / 420 V
  • Motor and pump in one body for safe submerged running
  • Rubber bearings at every bowl; labyrinth sand-proof seal on the motor shaft
  • Check valve on high-head models prevents water hammer damage
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WL series vertical sewage pump

WL Vertical Sewage Pump

Vertical non-clog sewage pump for city life sewage, industrial and mining effluent, sludge, and pulp-like thick liquids — also used for circulating water and irrigation.

Medium ≤ 60 °C Density ≤ 1200 kg/m³ PH 5 – 9
  • Single / double large-port impeller prevents jamming and winding
  • Hand-hole on the pump body for clearing debris without dismantling
  • Horizontal or vertical suction configuration to suit your installation
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Category 02

Submersible Mixers

Agitation, flow propulsion and aeration for treatment tanks in water and waste water processes.

3 series
QJB submersible mixer

QJB Submersible Mixer

Key equipment in water treatment — provides circulation power in nitration, denitrification and phosphorus-removal phases, and prevents sedimentation of suspended solids.

0.85 – 4 kW 740 – 980 rpm Impeller 260 – 400 mm Thrust 163 – 609 N
  • Two independent tungsten-carbide mechanical seals with IP68 protection
  • Anti-twisting curved impeller produces strong tangential flow without wrapping
  • Class F insulation, compact structure, easy installation and overhaul
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QDT low speed impeller

QDT Low-speed Impeller (Propeller)

Used for flow propulsion in oxidation ditches, agitation in bio-chemical tanks, and freeze-prevention mixing in rivers and landscape water.

1.5 – 7.5 kW 36 – 135 rpm Blade 1,000 – 2,500 mm Thrust 2,100 – 3,155 N
  • Large-diameter swept-back banana vanes with self-cleaning function
  • Polyurethane precision-cast blades: light, strong and corrosion resistant
  • Low-speed rotation creates a gentle, large-volume flow field
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QXB self-priming submersible aerator

QXB Self-priming Submersible Aerator

Integrates pump, air blower and gas-liquid mixer in one unit for oxygenating and mixing in sewage treatment — operates submerged at the aeration pool bottom or fixed on a floating body.

0.75 – 3 kW Air inlet 32 – 50 mm Bubbles ~100 μm
  • Sucks air automatically underwater — no separate blower equipment, antifreeze and low noise
  • Large gas-liquid contact area, high oxygen utilization, significant energy saving
  • Good mixing efficiency with no settling at the pool bottom; easy installation and anti-clogging
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Category 03

Centrifugal Pumps

Vertical, horizontal, spiral and double-suction centrifugal pumps for water supply, drainage and industrial processes.

4 series
FG vertical pipeline centrifugal pump

FG Vertical Centrifugal Pump

Single-stage single-suction vertical pipeline centrifugal pump for cold and hot water, high-temperature and corrosive environments, and oil transfer.

1.5 – 2,400 m³/h Head 5 – 150 m 970 – 3,500 rpm 0.18 – 250 kW
  • Energy saving, low noise, reliable performance to JB/T53058-93
  • In-line suction and discharge simplifies piping layout
  • Medium temperature −20 °C to +120 °C
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FW horizontal pipeline centrifugal pump

FW Horizontal Centrifugal Pump

Horizontal in-line version of the FG series — same hydraulic performance, ideal for booster sets, HVAC circulation, boiler feed and fire-fighting systems.

1.5 – 2,400 m³/h Head 5 – 150 m DN 40 – 500 ≤ 1.6 MPa
  • Suits industrial and city water supply, high-rise boosting and fire-fighting
  • Y or Y2 motors, 380 V or 220 V
  • Wear-resistant mechanical seal option for media with small particles
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QX spiral centrifugal pump

QX Spiral Centrifugal Pump

Independently developed by SPX with a unique screw centrifugal hydraulic component — designed to transport sewage containing long-fibre substances, large solid particles and high-viscosity media without tearing activated sludge flocs.

Passes 75 mm solids (DN 100) Energy saving 5 – 20% No-overload power curve Low NPSH, self-priming
  • Open channel with guiding and spiral propulsion — no blockage of fibres, viscous or concentrated liquids
  • Gentle, stable flow conveys activated sludge and even live fish, vegetables and fruits without damage
  • Energy savings of 5 – 20% over single-channel impeller pumps and 50 – 60% over vortex pumps
  • For municipal sewage plants, paper-making, food and chemical processing waste water
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S double suction split centrifugal pump

S Double-suction Split Centrifugal Pump

Single-stage double-suction horizontal split pump for pure water and similar liquids up to 80 °C — factory, mine, city and power-station water supply and drainage.

150 – 200 mm inlet Head 36 – 78 m ≤ 80 °C 2,950 rpm
  • Casing opens in the middle — no need to remove piping or motor for service
  • Dynamically balanced impeller with symmetrical blades for axial-force balance
  • Packing seal with water-seal ring to keep air out
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Category 04

Multi-stage Pumps

Vertical multistage centrifugal pumps for high-head boosting, boiler feed and water treatment.

2 series
DL vertical multi-stage pump

DL Vertical Multi-stage Pump

Vertical, multistage, sectional pump with a compact structure — for building water supply, fire-fighting, long-distance transfer and process boosting.

2 – 380 m³/h Head 5 – 230 m 1,480 rpm −15 – 105 °C
  • Mechanical seal or packing seal for option, little leakage
  • Multi-outlet can supply water in zones for high-rise buildings
  • Inlet/outlet angle adjustable to 0 / 90 / 180 / 270 degrees
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CDL CDLF multistage centrifugal pump

CDL / CDLF Multistage Pump

Vertical multistage centrifugal pump built on advanced hydraulic model design — high efficiency, power saving, and a compact, light build.

2 – 90 m³/h Head 15 – 215 m 0.37 – 45 kW −15 – 115 °C
  • Hard-alloy impeller, casing and shaft sleeve for long service life
  • Wear-resistant mechanical seal — no leakage
  • Y2 aluminium motor with imported bearings, insulation class F
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Category 05

Control Cabinets

Automatic safety and protection control for pumps and mixers.

1 series
Automatic pump control cabinet

Automatic Pump Control Cabinet

Full-automatic safety and protective control cabinet, fitted to your needs, to monitor water leak, current leak, overload and temperature rise — ensuring reliable, safe pump operation.

Leak protection Overload protection Temperature monitoring Float switch control
  • Works with the oil-water probe inside the pump oil chamber
  • Automatic start / stop according to water level via float switch
  • Pairs with guide-rail auto-coupling installation systems
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Attachments & Services

Everything Around the Pump

Attachments and spare parts are available for all sales items.

Auto-coupling

Guide-rail installation systems for fast, safe pump removal.

Control Panels

Protection and automation matched to each pump duty.

Cutters & Mixers

Cutter or mixer accessories for difficult media.

Spare Parts

Seals, impellers, bearings, cables and wear parts.

Not sure which series fits your project?

Send your flow, head and medium details — our engineers will recommend the right model within 24 hours.

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