Showing 1–8 of 72 products
QBY Air-Operated Diaphragm Pump (AODD)The QBYS is the stainless-steel version of the QBY pneumatic diaphragm pump — SS304/SS316 for corrosive, food and hygienic fluids. Full size range, in stock.
QBY Air-Operated Diaphragm Pump (AODD)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…
QBY Air-Operated Diaphragm Pump (AODD)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…
QBY Air-Operated Diaphragm Pump (AODD)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…
QBY Air-Operated Diaphragm Pump (AODD)Parts That WearThe QBY has only a few wearing parts. This keeps maintenance simple and affordable. The main items are diaphragms, ball valves, and valve seats. Recommended Replacement Schedule Part In…
QBY Air-Operated Diaphragm Pump (AODD)Simple Flow AdjustmentMost pumps need variable frequency drives or complex controls to change flow. The QBY adjusts flow with a simple air regulator. Turn the knob to increase or decrease speed.How It…
QBY Air-Operated Diaphragm Pump (AODD)Why Self-Priming Matters Many pumps need to be below the liquid level or require a foot valve to hold prime. The QBY doesn’t. It pulls liquid up from up to 7 meters below. This simplifies installation…
QBY Air-Operated Diaphragm Pump (AODD)Inherently Safe DesignThe QBY diaphragm pump doesn’t need electricity. It runs on compressed air. This makes it naturally explosion-proof — no sparks, no arcs, no hot surfaces. Where Safety Matters Mo…
Every pump in the catalogue, grouped by series.
