HQHaquanPump & Valve
QBY-25 Pneumatic Diaphragm Pump – 2.4 m³/h, 7 Bar, Compact Design — QBY Air-Operated Diaphragm Pump (AODD)
QBY Air-Operated Diaphragm Pump (AODD)

QBY-25 Pneumatic Diaphragm Pump – 2.4 m³/h, 7 Bar, Compact Design

Model: QBY-25

The QBY-25 hits a sweet spot for many users. With a 25 mm port and flow up to 2.4 m³/h, it’s big enough for production work but small enough to move around. I’ve seen these used everywhere from small…

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

The QBY-25 hits a sweet spot for many users. With a 25 mm port and flow up to 2.4 m³/h, it’s big enough for production work but small enough to move around. I’ve seen these used everywhere from small workshops to large factories.


Why It Works Well
•
Self-priming up to 7 meters
•
Handles solids up to 2.5 mm
•
Runs on shop air — no electrical connection
•
Lightweight and portable
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Easy to clean between batches


Technical Details

ParameterValue
ModelQBY-25
Port Size25 mm (1″)
Max Flow2.4 m³/h
Max Head60 m
Max Pressure6 kgf/cm²
Suction Lift7 m
Air Consumption0.6 m³/min

Material Choices
You can get the QBY-25 in:
•
Aluminum​ – lightweight, good for general use
•
Stainless steel​ – for corrosive liquids
•
Cast iron​ – tough and abrasion-resistant
•
Polypropylene​ – chemical-resistant and affordable
Typical Jobs
Transferring plating solutions, pumping ink for printing presses, moving ceramic slurry, handling waste oil, circulating coolants in machining operations.
Applications Summary:​
plating solution transfer, ink pumping, ceramic slurry handling, waste oil removal, coolant circulation, chemical dosing
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Typical Applications

  • plating solution transfer
  • ink pumping
  • ceramic slurry handling
  • waste oil removal
  • coolant circulation
  • chemical dosing

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