Shanghai Haquan is a professional sewage pump manufacturer, engineering high-performance pumps for wastewater discharge, food & beverage, farmland irrigation, biopharmaceutical, municipal septic-tank treatment and petrochemical industries — delivered to 60+ countries.
A decade of engineering discipline, in-house manufacturing and export experience behind every pump we ship.
Casting, machining, winding and assembly under one roof in Shanghai — full control over quality and lead time, with every pump hydraulically tested before dispatch.
Tell us your duty point and medium; our engineers size the hydraulics, seal and materials to your process rather than selling you a catalogue compromise.
Complete export documentation, seaworthy packing and multilingual support — trusted by buyers in 60+ countries across mining, municipal and marine sectors.
We manufacture and supply WILDEN AODD diaphragm pumps, stainless-steel sewage pumps, ZW self-priming pumps, YW submersible sewage pumps, the QBY diaphragm series, irrigation & drainage mobile pump trucks, GNWQ cutter sewage pumps, IHG/IHW/IRG/IRW pipeline pumps, metering pumps, high-head sewage pumps, QDX submersible pumps and QD oil-filled submersible pumps.
QBY AODD PumpUnderground and around the mill, the QBY earns its keep on the fluids other pumps choke on: mine water thick with slag, mud and grit. It passes solids to 10 mm, wears slowly thanks to its clearance-fr…
Wilden AODD PumpThe WILDEN T15 AODD pump is the largest model in the T series with 4-inch ports and maximum flow of 1040 L/min. It is designed for high-volume industrial fluid transfer in the most demanding applicati…
Wilden AODD PumpThe WILDEN P15 AODD pump is the largest model in the P series with a 4-inch port size. It delivers the maximum flow rate of 1040 L/min and handles solids up to 19 mm, making it ideal for high-volume f…
Wilden AODD PumpWILDEN provides professional sanitary-grade diaphragm pump models that meet FDA and 3A sanitary standards, which are widely used in food, pharmaceutical and cosmetic industries. The equipment adopts f…
Mobile Diesel Pump TruckMobile pump trucks can be classified into multiple types according to pump type, structural form and functional integration, covering all emergency drainage scenarios from small temporary water delive…
YW Type Liquid-Submerged Sewage PumpMany purchasers confuse YW liquid-submerged sewage pump and fully submersible sewage pump (QW/WQ series), there are essential structural and application differences:（1）Structural LayoutYW pump: Vertic…
ZW Series Self-Priming Sewage PumpThe ZW self-priming sewage pump model number provides important information about the pump’s specifications. A typical model is expressed as “50ZW15-30PB”. Breaking down this model number:•“50” repres…
Wilden AODD PumpThe Wilden air-operated double diaphragm pump (AODD pump) is manufactured by Wilden Pump & Engineering Company, USA. It is powered by compressed air instead of electricity, featuring self-priming capa…
QBY AODD PumpUse the QBY explosion proof AODD pump for safe chemical transfer of acids, solvents, and toxic liquids. Spark free, leak proof design with PTFE and stainless steel options. The QBY air operated diaphr…
“Haquan sized a self-priming sewage pump for a difficult lifting station and it has run without a single blockage for two years. Their engineering support before the sale was the difference.”
“Haquan's QBY air-operated diaphragm pumps have handled our aggressive chemical transfer without a hiccup — reliable metering, easy maintenance and responsive engineering support made them an easy standardisation choice.”
“The stainless submersible pumps have survived our brine application where coated cast iron used to fail every season. Documentation for customs was complete and correct.”
Send us your duty point and application — our engineers will recommend the right pump and return a quotation within 24 hours.