HQHaquanPump & Valve
QBY-50 Pneumatic Diaphragm Pump – 12 m³/h, 2″ Solids-Handling AODD — QBY Air-Operated Diaphragm Pump (AODD)
QBY Air-Operated Diaphragm Pump (AODD)

QBY-50 Pneumatic Diaphragm Pump – 12 m³/h, 2″ Solids-Handling AODD

Model: QBY-50

Once flow and solids climb beyond what a 1.5-inch pump handles comfortably, the QBY-50’s 2-inch body takes over. It moves up to 12 m³/h and passes solids to 8 mm, making it a workhorse for slurry, slu…

Specifications
Flow Rate0-30m³/h
Head0 – 50 / 70m
Inlet / Outlet Diameter10 – 100mm
MaterialPP Engineering Plastic, Aluminum Alloy, Cast Iron, Stainless Steel
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Product Overview

Once flow and solids climb beyond what a 1.5-inch pump handles comfortably, the QBY-50’s 2-inch body takes over. It moves up to 12 m³/h and passes solids to 8 mm, making it a workhorse for slurry, sludge and thicker process fluids.

Port size50 mm (2 in)
Max flow12 m³/h
Max head60 m
Suction lift7 m
Max particle8 mm
Air consumption0.9 m³/min (≤7 bar)

With no shaft seal and no close-fitting parts, abrasive media wear the pump only slowly, and there is nothing to leak — a real advantage when the fluid is toxic or corrosive.

Applications: wastewater and sludge, mining slurry, ceramics, chemical processing, cement grout, paint, petrochemical

Thank you for visiting HAQUANPUMP, a professional sewage pump manufacturer. For QBY diaphragm pump selection, pricing or a datasheet, contact our engineers — we usually reply within 24 hours.

Typical Applications

  • wastewater and sludge
  • mining slurry
  • ceramics
  • chemical processing
  • cement grout
  • paint
  • petrochemical

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