AODD pumps for water & wastewater
Treatment-chemical transfer and sludge transfer are different duties. Start with the liquid composition and solids rather than choosing a pump from the industry name alone.

Define the transfer duty
Identify whether the pump will move a pH-adjustment chemical, a coagulant, wash water or a solids-bearing stream. Include the required flow at the actual discharge pressure, suction lift and operating schedule in the enquiry.
Review every wetted material
Polypropylene is a candidate for compatible treatment chemicals, not a universal wastewater material. Check chemical concentration and temperature against the body, diaphragms, balls, seats and seals. Abrasive sludge also needs a solids-size and wear assessment.
Bolted or clamped construction
Compare joint sealing, access for cleaning and the maintenance procedure for the specific model. A bolted plastic configuration is a starting point for review; neither its colour nor its joint type proves chemical compatibility.
Configurations to discuss
These are candidate families for a duty review, not a guaranteed material recommendation.
Send your operating requirements
Include fluid composition, concentration, temperature, viscosity, solids, required flow, discharge pressure, suction conditions and cleaning method.
Email and WhatsApp include the current source page; you still review and send the message.
