For high-volume, solids-heavy work the QBY-80’s 3-inch body delivers up to 24 m³/h and swallows solids as large as 10 mm. It is built for dewatering, tank emptying and thick-slurry transfer where a sm…
For high-volume, solids-heavy work the QBY-80’s 3-inch body delivers up to 24 m³/h and swallows solids as large as 10 mm. It is built for dewatering, tank emptying and thick-slurry transfer where a smaller pump would clog or crawl.
Port size
80 mm (3 in)
Max flow
24 m³/h
Max head
60 m
Suction lift
7 m
Max particle
10 mm
Air consumption
1.5 m³/min (≤7 bar)
It can even be lowered into a pit and run fully submerged, and if the pit empties it simply keeps stroking without damage — no dry-run trip, no burnt motor.
HAQUANPUMP builds the full QBY range in-house. Send us your fluid, flow and head, and we will recommend the exact model, body material and diaphragm for the job.
The Full QBY FamilyThe QBY series covers eight standard sizes from 10 mm to 100 mm. Flow ranges from 0.8 m³/h to 30 m³/h. Head goes up to 60 meters. There’s a model for almost every job. Complete Mode…
When You Need Big FlowThe QBY-80 and QBY-100 are the largest standard models. They handle high-volume transfer jobs where smaller pumps would struggle. Both models share the same robust design princip…
Choosing the Right Body MaterialThe QBY comes in four standard materials. Each has strengths for different applications. Here’s a quick comparison. Material Comparison Table Material Weight Corrosion…