When the fluid is a strong acid, alkali or solvent, metal pumps corrode and a polypropylene QBY earns its place. Its reinforced PP wetted path shrugs off aggressive chemistry that would eat aluminium…
| Flow Rate | 0-30m³/h |
|---|---|
| Head | 0 – 50 / 70m |
| Inlet / Outlet Diameter | 10 – 100mm |
| Material | PP Engineering Plastic, Aluminum Alloy, Cast Iron, Stainless Steel |
When the fluid is a strong acid, alkali or solvent, metal pumps corrode and a polypropylene QBY earns its place. Its reinforced PP wetted path shrugs off aggressive chemistry that would eat aluminium or even stainless steel, at a fraction of the cost of exotic alloys.
PP bodies are offered across the QBY-10 to QBY-100 range, so you can match corrosion resistance to the exact flow you need — from a 0.8 m³/h dosing unit to a 30 m³/h transfer pump. Pair the body with a PTFE or FKM diaphragm for the most demanding solvents, or NBR/Neoprene for general corrosive duty.
QBY Pneumatic Diaphragm Pump Technical Parameters
| Parameter | Specification Range |
|---|---|
| Flow Rate | 0 – 30 m³/h |
| Max Head | 0 – 50 / 70 m |
| Port Size (Caliber) | 10 – 100 mm |
| Working Temperature | -15℃ ~ +150℃ |
| Working Air Pressure | 0.1 – 0.7 MPa |
| Self-Priming Height | 5 – 7 m |
| Max Passable Solid Particle | 10 mm |
A practical note: PP has a lower temperature ceiling than metal (about 120 °C), so for hot corrosives above that, ask us about stainless steel with a PTFE diaphragm instead.
Applications: strong acids and alkalis, electroplating, surface finishing, chemical processing, semiconductor fluids, detergents and daily chemicals
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.
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