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AODD Pumps FAQ (Short Version)

Material & Selection

Q1: What pump body & diaphragm materials do you offer?

A1: Body: PP, PVDF, aluminum, cast iron, 304/316 stainless steel. Diaphragm: PTFE, NBR, EPDM, Santoprene. PP+PTFE is best for corrosive chemicals.

Q2: What liquids fit PP+PTFE pumps?

A2: Acids, alkalis, electroplating fluid, paint, slurry and most solvents. Not for high-temp strong oxidants.

Q3: How to pick the right model?

A3: Tell us your liquid type, required flow, self-priming height and air pressure, we’ll match the pump.

Performance & Application

Q4: Can this pump run dry?

A4: Yes, dry running won’t burn out the pump, unlike centrifugal pumps.

Q5: What’s the max self-priming height?

A5: Up to 5–7 meters, no pre-filling needed before startup.

Q6: Can it pump liquid with particles or thick slurry?

A6: Yes, flexible diaphragm resists clogging, works for sludge, paint, mining slurry with ≤3mm particles.

Q7: Safe for flammable & explosive workshops?

A7: 100% safe. Air-powered, no electric sparks, anti-static, no extra explosion-proof motor required.

Q8: Can the pump be submerged in liquid?

A8: Yes, no electric leakage risk, ideal for underground tanks and sewage pools.

Operation & Adjustment

Q9: How to adjust flow and pressure?

A9: Simply tweak the air inlet valve for stepless flow & pressure control.

Q10: What if the outlet gets blocked?

A10: Built-in overload protection; it stops automatically and restarts after unclogging.

Maintenance & Warranty

Q11: Is maintenance complicated?

A11: Simple structure, easy to replace diaphragms and valves without special tools.

Q12: What’s your warranty?

A12: 12-month warranty for the whole pump (excluding wear parts like diaphragms and balls). Low-cost spare parts available after warranty.

Q13: Do you supply spare parts?

A13: All wear parts (PTFE diaphragms, balls, gaskets) are in stock for fast delivery.

Purchase & Custom

Q14: Are you a manufacturer?

A14: Yes, factory direct supply, support OEM & ODM custom logo and packaging.

Q15: Can I order samples?

A15: Samples available, buyer covers shipping; bulk order discounts after testing.

Q16: How fast is delivery?

A16: Standard models ship in 3–5 working days; custom orders take 7–15 days.

Industry Usage

Q17: What industries is this pump suitable for?

A17: Chemical, food & dairy, pharmaceutical, sewage, paint, petrochemical, mining, papermaking, electroplating.

Q18: Can it transfer food/pharma liquid?

A18: Yes, food-grade PTFE diaphragm option prevents contamination and is easy to sanitize.